CN105041289B - A kind of temporary caulking joint mouth forces plane to turn to the method forming many seams - Google Patents
A kind of temporary caulking joint mouth forces plane to turn to the method forming many seams Download PDFInfo
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Abstract
The present invention provides a kind of temporary caulking joint mouth forces plane to turn to the method forming many seams. This temporary caulking joint mouth is forced plane to turn to the method forming many seams to comprise to use stifled diverting material liquid temporarily to enter reservoir to form bridge blinding near the sealing of crack, crack is forced to turn to formation many cracks, and use active liquid or acid solution to activate reservoir micro-fractures, form the step of many seam seam nets. Technical solution of the present invention can make the unconventionaloil pool reservoirs such as hyposmosis, ultra-low penetration oil gas and densification oil, shale oil gas, force man-made fracture to turn in the plane and form many man-made fractures with flow conductivity, increase the probability linking up reservoir bodies, improve drainage area, and cleaning diverting material has degradation property, can completely degrade after construction terminates, it is ensured that the many cracks of formation can all utilize, thus obtain more significant effect of increasing production.
Description
Technical field
The present invention relates to a kind of temporary caulking joint mouth forces plane to turn to the method forming many seams, belongs to oil and gas exploitation technical field.
Background technology
China's hyposmosis hydrocarbon resources enriches, and along with going deep into of exploratory development, the ratio of Low permeable oil and gas reservoirs output progressively rises, and the efficient exploitation how realizing Low permeable oil and gas reservoirs is most important. Low permeable oil and gas reservoirs reservoir poor quality, generally all needs pressure break or acidfracturing treatment. But low permeability reservoir often has strong nonuniformity, the two wing cracks formed during conventional pressure break can not link up the reservoir bodies of inhomogeneous distribution sometimes, or can not be connected " dessert " of natural fracture growth, causes storey increase design effect poor. Such as China's marine carbonate rock petroleum resource cities 35,700,000,000 tons, natural gas resources 27.7 trillion side, become in China's oil gas increasing the storage produce key areas. But China's carbonate reservoir nonuniformity is extremely strong, the man-made fracture bearing of trend of conventional ACID FRACTURING TECHNOLOGY deviates the growth orientation of reservoir bodies sometimes, even if acidfracturing treatment forms deep penetrating fracture, sometimes still it is difficult to link up reservoir bodies, production capacity can not be obtained, it has to be taken into account crack plane turns to technology to increase communication probability.
Summary of the invention
In view of the defect that above-mentioned prior art exists, it is an object of the invention to propose a kind of temporary caulking joint mouth forces plane to turn to the method forming many seams, man-made fracture can be forced to turn in the plane and to form many man-made fractures with flow conductivity, increase the probability linking up reservoir bodies, improving yield.
The object of the present invention is achieved by the following technical programs:
A kind of temporary caulking joint mouth forces plane to turn to the method forming many seams, it comprises and uses temporarily stifled diverting material liquid to enter reservoir to form bridge blinding near the sealing of crack, force crack to turn to formation many cracks, and use active liquid or acid solution to activate reservoir micro-fractures, form the step of many seam seam nets.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, the method comprises the steps:
Step one, inject 50-500 cubic meter fracturing liquid to stratum with the discharge capacity of 2.0-15.0 cubic meters per minute, and the ammonium persulphate gel breaker of fracturing liquid consumption 0.01wt%-0.1wt% in hot pursuit; Or, inject acid solution, injection rate is 20-300 cubic meter, and injection speed is 2.0-15.0 cubic meters per minute;
Step 2 is corresponding with step one, injects acid solution, and injection rate is 20-300 cubic meter, and injection speed is 2.0-15.0 cubic meters per minute; Or, with the discharge capacity of 2.0-15.0 cubic meters per minute to stratum injection 50-500 cubic meter fracturing liquid, and the ammonium persulphate gel breaker of fracturing liquid consumption 0.01wt%-0.1wt% in hot pursuit;
Step 3, inject temporarily stifled diverting material liquid to stratum with the discharge capacity of 0.5-5.0 cubic meters per minute, when stifled diverting material liquid enters sealing temporarily, with the discharge capacity infusion of 0.5-2.0 cubic meters per minute stifled diverting material liquid temporarily, inject the stifled temporarily diverting material liquid of 5-100 cubic meter altogether;
Step 4, with the discharge capacity of 2.0-15.0 cubic meters per minute to the fracturing liquid of stratum infusion 20-200 cubic meter or acid solution;
Step 5, when the needs degree of depth is transformed, repeat the operation of step 3 to step 4;
Step 6, the neutrality using the low viscosity of at least one operating tool string volume or alkaline liquid carry out replacing kill-job.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, the neutrality of described low viscosity or alkaline liquid comprise low viscosity melon sol solution and/or sodium hydroxide solution, but are not limited to this.
The concentration of above-mentioned sodium hydroxide solution can adjust as required. Above-mentioned low viscosity melon sol solution can be the conventional selection of this area, preferably, with parts by weight, described low viscosity melon glue liquid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.1-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, step 3 can inject stifled diverting material liquid temporarily with low speed, make manually to stitch width to narrow, it is convenient to form bridge blinding near the sealing of crack, and is divided into twice different displacements injection and can strengthen bridge blinding effect; The fracturing liquid of step 4 can also divide and injects for twice, and first time injects with less speed, and for replacing cleaning diverting material liquid to sealing, second time increasing speed is injected, and produces pressure.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, of the fracturing fluid consumption and discharge capacity (i.e. injection speed) are determined according to reservoir type, it is preferable that with the discharge capacity of 2.0-15.0 cubic meters per minute to stratum injection 50-500 cubic meter fracturing liquid; The consumption of temporary stifled diverting material liquid and discharge capacity are blocked up progression temporarily according to reservoir and are determined, changeable, it is preferable that inject the temporary stifled diverting material liquid using 5-100 cubic meter to stratum with the discharge capacity of 0.5-15.0 cubic meters per minute.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and it is that pressure break forms a main seam of man-made fracture that step one injects of the fracturing fluid object, or to the acid of objective interval cloth and reduce parting pressure; Step one, two, the acid erosion transformation of four makes the man-made fracture of formation have certain acid erosion flow conductivity, and can activate reservoir micro-fractures; Step 3 adds stifled diverting material liquid temporarily, it is possible to first step man-made fracture seam width is narrowed, is beneficial to fiber and forms stable shutoff at sealing, force crack internal pressurization to cause plane to turn to or excite potential natural fracture; Step 4 or add fracturing liquid so that reservoir pressure increases so that the branch crack produced on new location, new direction is extended; In step 5, repeating step, it is possible to implement as required, to realize the transformation forming more complicated seam net; In step 6, use the low viscosity melon sol solution (neutrality of low viscosity or alkaline liquid) of at least one operating tool string volume to replace, its objective is to replace in formation fracture the mixed solution being used for acid erosion transformation in tubing string, temporarily stifled diverting material liquid.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, the method comprises the steps:
Step one, with the discharge capacity of 2.0-15.0 cubic meters per minute to stratum inject 50-500 cubic meter fracturing liquid; Seam can be made as spearhead;
Step 2, inject the active liquid of 5-500 cubic meter to stratum with the discharge capacity of 2.0-15.0 cubic meters per minute; The microfracture of reservoir can be activated;
Step 3, inject 50-500 cubic meter sand taking the discharge capacity of 2.0-15.0 cubic meters per minute to stratum than taking sand fracturing liquid as 1%-50%, and with adding the ammonium persulphate gel breaker taking sand fracturing liquid consumption 0.01wt%-0.1wt%; Can supporting crack;
Step 4, inject temporarily stifled diverting material liquid to stratum with the discharge capacity of 0.5-5.0 cubic meters per minute, when stifled diverting material liquid enters sealing temporarily, with the discharge capacity infusion of 0.5-2.0 cubic meters per minute stifled diverting material liquid temporarily, inject the stifled temporarily diverting material liquid of 5-100 cubic meter altogether; Bridge blinding can be formed;
Step 5, recirculation carry out the operation 1 to 6 time of step one to step 4, till last circulation proceeds to step 3;
Step 6, the neutrality of the low viscosity of at least one operating tool string volume or alkaline liquid is used to replace.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, the neutrality of described low viscosity or alkaline liquid comprise low viscosity melon sol solution and/or sodium hydroxide solution, but are not limited to this.
The concentration of above-mentioned sodium hydroxide solution can adjust as required.
Above-mentioned low viscosity melon sol solution can be the conventional selection of this area, preferably, with parts by weight, described low viscosity melon glue liquid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.1-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant;
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and step 4 injects stifled diverting material liquid temporarily with low speed, and point twice different displacements is injected, it is possible to effectively form bridge blinding; The fracturing liquid of the circulation of step 5 can also divide and injects for twice, and first time injects with less speed, and for replacing cleaning diverting material liquid to sealing, second time increasing speed is injected, and produces pressure.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, of the fracturing fluid consumption and discharge capacity (i.e. injection speed) are determined according to reservoir type, it is preferable that with the discharge capacity of 2.0-15.0 cubic meters per minute to stratum injection 50-500 cubic meter fracturing liquid; The consumption of temporary stifled diverting material liquid and discharge capacity are blocked up progression temporarily according to reservoir and are determined, changeable, it is preferable that inject the temporary stifled diverting material liquid using 5-100 cubic meter to stratum with the discharge capacity of 0.5-5.0 cubic meters per minute; Active liquid is mainly used to activate reservoir micro-fractures, for having the active liquid of acidity, oilness, it is preferable that inject the active liquid using 5-500 cubic meter to stratum with the discharge capacity of 2.0-15.0 cubic meters per minute.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and it is that pressure break forms a main seam of man-made fracture that step one injects of the fracturing fluid object; Step 2 is injected active liquid and is mainly used to activate reservoir micro-fractures, and step 3 injects stability and the perviousness that propping agent can strengthen man-made fracture, it is to increase petro-gas permeation output; Step 4 adds stifled diverting material liquid temporarily, it is possible to first step man-made fracture seam width is narrowed, is beneficial to fiber and forms stable shutoff at sealing, force crack internal pressurization to cause plane to turn to or excite potential natural fracture; Step 5 starts circulation and adds fracturing liquid so that reservoir pressure increases so that the branch crack produced on new location, new direction is extended; And can implement as required, to realize the transformation forming more complicated seam net; In step 6, it may also be useful to the low viscosity melon sol solution of at least one operating tool string volume replaces, its objective is to replace in formation fracture take sand fracturing liquid, the temporarily stifled diverting material liquid in tubing string.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, in step one, it is also possible to be included in the step of the 40-100 order small particle size propping agent adding 1-10 section slug when injecting fracturing liquid; Wherein, the volume of every section of slug is 10-30 cubic meter.
The above-mentioned step adding 40-100 order small particle size propping agent to oil well and formation fracture polishing eyelet, can reduce the bending frictional resistance of nearly well, the follow-up sand that adds carried out smoothly.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, preferably, described acid solution comprises gel acid, temperature control becomes sticky acid, ground surface crosslinking acid, DCA turn to the combination of one or more in acid, emulsified acid, alcohol ether acid, foamed acid and buffer regulated HF acid etc.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and become sticky acid, ground surface crosslinking acid, DCA of gel acid, temperature control turns to acid, emulsified acid, alcohol ether acid, foamed acid and buffer regulated HF acid can be the acid solutions that those skilled in the art's routine is selected; Preferably, with parts by weight, described DCA turns to acid to comprise: basis acid solution 100 parts, acid liquor gellant 0.1-0.3 part, high temperature corrosion inhibitors for acidic media 1-4 part, DCA-1 visco-elastic surfactant acid host 8-12 part; Wherein, described acid liquor gellant is antiacid cationic polymers, and described high-temperature acid inhibiter is aldehyde ketoamine class condenses.
According to specific embodiments, with parts by weight, described DCA turns to acid to comprise: basis acid solution 100 parts, acid liquor gellant 0.15 part, high temperature corrosion inhibitors for acidic media 2 parts, DCA-1 visco-elastic surfactant acid host 10 parts.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, with parts by weight, described alcohol ether acid comprises: basis acid solution is 100 parts; Acid liquor gellant 0.3 part; High temperature corrosion inhibitors for acidic media 2 parts; Alcohol ether 8 parts; Fe stabilizer 1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, and described high-temperature acid inhibiter is aldehyde ketoamine class condenses, and described Fe stabilizer is sodium ascorbate.
Above-mentioned turns to acid, alcohol ether acid by the mixing of each component being prepared; Described alcohol ether is the DCA-4 type alcohol ether that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, preferably, described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, and described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, preferably, with parts by weight, described buffer regulated HF acid comprises: 100 parts of mix acid liquors containing 9% hydrochloric acid, 3% acetic acid and 2.0% hydrofluoric acid, 2 parts of sticky steady agent, 2.4 parts of inhibiter hosts, 1.2 parts of inhibiter auxiliary dose, 1 portion efficient cleanup additive, 2 parts of Fe stabilizeies, 1 part of emulsion splitter, 0.3 part of jelling agent, 5 parts of methyl alcohol.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, described sticky steady agent is that the AS-55 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces glues steady agent; Described inhibiter host is the KMS-6A type inhibiter host that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, auxiliary dose of the KMS-6B type inhibiter that auxiliary dose of described inhibiter is produced for Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd; Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described jelling agent is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described Fe stabilizer is sodium ascorbate.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, described in take sand fracturing liquid and comprise propping agent and fracturing liquid, described propping agent comprises aluminium vanadine haydite and/or quartz sand.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, the particle diameter of described propping agent is 20-100 order.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and described active liquid is the active liquid with acidity, oilness, for activating reservoir micro-fractures; Preferably, with parts by weight, described active liquid comprises following component: 100 portions of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additives of 0.01-0.1 part; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant;
Or, with parts by weight, described active liquid comprises following component: 100 parts of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additive of 0.01-0.1 part, the acid of 1-10 part; Wherein, described acid comprises the combination of one or more in mineral acid, organic acid and potential acid etc., described mineral acid comprises the combination of one or more in hydrochloric acid, phosphoric acid, mud acid and silicofluoric acid etc., described organic acid comprises the combination of one or more in formic acid, acetic acid and oxalic acid etc., and described potential acid comprises oxammonium hydrochloride and/or ammonium bifluoride.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid etc.
Above-mentioned guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid etc. can be the conventional fracturing liquids that this area carries out selecting obtaining as required.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid can be the fracturing liquids that those skilled in the art's routine is selected; Preferably, with parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
Above-mentioned fracturing liquid is by preparing the mixing of each component.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that,
Described stifled diverting material liquid temporarily comprises stifled diverting material and transport fluid temporarily, and the weight ratio of described stifled diverting material and described transport fluid temporarily is (1-10): 100;
Wherein, described transport fluid comprises the combination of one or more in low viscosity melon glue liquid, VES liquid and gelling acid solution etc.
Above-mentioned stifled temporarily diverting material carrying of liquids is by preparing stifled diverting material temporarily and transport fluid mixing.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, described transport fluid can have certain viscosity under surface condition, meets the suspension to stifled diverting material temporarily and carry, after adding reservoir crack, liquid viscosity reduces, ability of carrying reduces so that formation bridge blinding is assembled in stifled material somewhere in crack temporarily.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, preferably, with parts by weight, described low viscosity melon glue liquid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.1-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
Above-mentioned low viscosity melon glue liquid is by preparing the mixing of each component.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, with parts by weight, described VES liquid comprises following component: 100 parts of fresh water, 1-5 part VES-50A, 0.5-2 part VES-50B.
Above-mentioned VES-50A and VES-50B produces by Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, preferably, with parts by weight, described gelling acid solution comprises following component: 100 portions of basic acid solutions, 0.3-1 part acid liquor gellant, 13 portions of high temperature corrosion inhibitors for acidic media, 0.5-1 part emulsion splitter, 0.5-1 part Fe stabilizer, the efficient cleanup additives of 0.5-1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, described high-temperature acid inhibiter is aldehyde ketoamine class condenses, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, described Fe stabilizer is sodium ascorbate, and described efficient cleanup additive is fluorochemical surfactant.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and described basis acid solution can be technical hydrochloric acid, but is not limited to this.
Above-mentioned gelling acid solution is by preparing the mixing of each component.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and stifled diverting material is the high strength stifled material temporarily that can completely dissolve or degrade completely under reservoir conditions temporarily; Preferred:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material etc. temporarily.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that, described water-soluble stifled material temporarily is the DCF-1 type novel steering agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, preferably, described temporarily stifled diverting material comprises the combination of one or more in FCL type petroleum engineering fiber, DCF-1 type pressure break novel steering agent, SR-3 type flexible agent and the DCF-2 pressure break diversion agent etc. that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, and the performance of stifled diverting material selects mainly parting pressure according to pressure break or acid fracturing well depth of stratum, stratum to determine temporarily; Preferably, described temporarily stifled diverting material is particulate state stifled diverting material, sheet stifled diverting material and the threadiness combination of one or more in stifled diverting material temporarily temporarily temporarily, in weight, when with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and threadiness block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.3-0.7): (0.7-0.3); When with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for sheet, stifled diverting material and threadiness block up the amount ratio of diverting material to sheet temporarily temporarily is (0.2-0.8): (0.8-0.2); When with sheet temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and sheet block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.4-0.6): (0.4-0.6); When particulate state temporarily stifled diverting material, sheet stifled diverting material and the temporary stall of threadiness are applied to combination of materials temporarily time, the amount ratio of particulate state stifled diverting material, sheet stifled diverting material and threadiness stifled diverting material temporarily temporarily temporarily is (0.1-0.5): (0.2-0.4): (0.7-0.1).
Above-mentioned temporary caulking joint mouth forces plane to turn in the method forming many seams, it is preferable that:
Described particulate state blocks up the performance index of diverting material temporarily: particle diameter 1-3 millimeter, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius;
Described sheet blocks up the performance index of diverting material temporarily: the flap of thickness 0.1-3 millimeter, 5-10 millimeter circle and/or similar circle, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius;
Described threadiness blocks up the performance index of diverting material temporarily: Fibre diameter 10-20 micron, length 4-8 millimeter, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius.
The temporary caulking joint mouth of the diverting material of the present invention forces plane to turn in the process forming many seam transformations, extend for man-made fracture in heterogeneous reservoir and grow, by maximum principal stress orientation, stratum, heterogeneous reservoir, the mechanism controlled, first pressure break forms the man-made fracture of Article 1 by the control of condition on the spot, and then injection acid solution or propping agent transformation make crack keep flow conductivity; Then carry with thin fluid body and inject stifled diverting material (particulate state, sheet, threadiness temporarily, wherein a kind of, two or three combination), stifled diverting material can accumulate in the sealing of the man-made fracture formed temporarily, blocking feed pathway, shaft bottom is made to have suppressed more High Voltage, forcing man-made fracture to turn in the plane, ftracture in other direction and extend, acid solution of reinjecting or propping agent transformation make the crack of new formation keep flow conductivity; Above step can be repeated, form the man-made fracture that many have flow conductivity. Stifled diverting material can be degraded completely after construction terminates temporarily, it is ensured that whole utilizations of many cracks, and many man-made fractures can increase links up probability or improves drainage area, obtains more significant effect of increasing production. Can also inject acid solution or propping agent transformation make man-made fracture seam net keep flow conductivity.
The core of the present invention utilizes stifled temporarily diverting material (particulate state, sheet, the threadiness that slit-like passage plugging performance is good, wherein a kind of, two or three combination) the one or many stifled man-made fracture sealing formed temporarily, force man-made fracture to turn to formation many cracks in plane. During storey increase design, first pressure break forms the man-made fracture of Article 1 by the control of condition on the spot, and then injection acid solution or propping agent transformation make crack keep flow conductivity; Then carry with low-viscosity (mobile) liquid (clear water, lower concentration melon glue, clean fracturing fluid or acid solution etc.) and inject stifled temporarily diverting material (particulate state, sheet, the threadiness that crack passage plugging ability is good, wherein a kind of, two or three combination), operational discharge capacity is reduced before arriving sealing position, crack, shaft bottom at stifled diverting material temporarily, reduce fracture open degree, it is beneficial to realize the shutoff of crack sealing. After carrying the liquid arrival sealing of stifled diverting material temporarily, transport fluid can be filtered mistake and enter and press off crack, stifled diverting material can accumulate in the sealing of the man-made fracture formed temporarily, blocking feed pathway, shaft bottom is made to have suppressed more High Voltage, forcing man-made fracture to turn in the plane, ftracture in other direction and extend, acid solution of reinjecting or propping agent transformation make the crack of new formation keep flow conductivity. Stifled diverting material has degradation property temporarily, can degrade completely, it is ensured that the many cracks of formation can all utilize after construction terminates, and many man-made fractures can increase links up probability or improves drainage area, thus obtains more significant effect of increasing production. The present invention stitch interior temporary stall to formed transformation seam net method transformation volume increase in unconventional ultra-permeable reservior, form complex fracture network after, the fluid in the matrix of reservoir can with " more short range " to all directions crack seepage flow. Owing to flow distance significantly shortens, being difficult to the fluid that flows out in matrix more easily by displacement and can produce thus improve the effect of increasing production of unconventional reservoir, it is possible to greatly improve the effective use rate in reservoir, reduction reservoir effectively employ lower limit.
The temporary caulking joint mouth of the present invention forces plane to turn to the method forming many seams to be both applicable to the matrix acidizing construction of carbonate rock hydrocarbon reservoir, is also applicable to the waterpower sandfrac construction of the reservoirs such as tight sand, coal petrography and shale.
The outstanding effect of the present invention is:
Technical solution of the present invention can force man-made fracture to turn in the plane and form many man-made fractures with flow conductivity, increase the probability linking up reservoir bodies, improve drainage area, and stifled diverting material has degradation property temporarily, can degrade completely after construction terminates, guarantee that the many cracks formed can all utilize, thus obtain more significant effect of increasing production.
Accompanying drawing explanation
Fig. 1 is the RMS amplitude orthographic plan of embodiment YMA well acidfracturing treatment interval;
Fig. 2 is that cleaning diverting material shutoff crack plane turns to logistics organizations figure;
Fig. 3 is the flow-material concentration relation curve figure of the effective shutoff of different in width cracking initiation;
Fig. 4 cleans diverting material (120 degrees Celsius of series) palliating degradation degree graphic representation in time.
Embodiment
In order to the technology feature to the present invention, object and useful effect have understanding clearly, the existing technical scheme to the present invention carries out following detailed explanation, but can not be interpreted as to the present invention can the restriction of practical range. Experimental technique described in following embodiment, if no special instructions, is ordinary method; Described reagent and material, if no special instructions, all can obtain from commercial channels.
Embodiment 1
The present embodiment also provides a kind of temporary caulking joint mouth to force plane to turn to the method forming many seams. Implement acidfracturing treatment by embodiment oil well of the YMA well in oil field, Tarim Basin, YMA well is a bite appraisal well in oil field, Tarim Basin, and volume increase zone of interest is Ordovician system reservoir section. As shown in Figure 1, the RMS amplitude orthographic plan of objective interval (5845-5920 rice) after YMA well completion, Ben Jing target zone is in weak amplitude district, and there is the last one amplitude district (indicating the reservoir bodies that seam hole is relatively grown) in Qi Bei east more to 150 meters of. YMA well drilled wellbore trajectories display objective interval is far away apart from strong amplitude district, Stress match relation is beneficial to artificial seam extend to reservoir bodies, but the direction that natural fracture is grown makes man-made fracture be unfavorable for linking up reservoir bodies (because man-made fracture when acid fracturing is constructed easily extends) along natural fracture, therefore considering to adopt forces man-made fracture to force the man-made fracture forming two directions at the remodeling method that plane turns to, guarantee as far as possible to form the crack extended along maximum principal stress orientation, to increase the probability linking up reservoir bodies indicated by seismic data.
Geologic feature according to YMA well, the main thought of acid fracturing design is:
1. first consider that man-made fracture extends along favourable orientation by stress control, then the spearhead of optimization design certain scale makes seam (guaranteeing that ditch passes to favourable reservoir place), display is obviously linked up if having, then inject and turn to liquid to make it shunting to fall filter effect, impact is lost in the filter overcoming the Reproducible ability cutting friendship with man-made fracture wide-angle, strives for making the seam degree of depth to connect more Reproducible ability;
If 2. first step spearhead is without obvious communication, then the crack initiation of man-made fracture and extension may mainly by the impacts of Reproducible ability, high-quality reservoir aplasia on the bearing of trend in crack, then low discharge capacity is injected and is turned to liquid, the man-made fracture that shutoff has been formed, force another orientation (along maximum principal stress orientation) easily forming man-made fracture to form new man-made fracture and extend, link up the reservoir bodies indicated by seismic data to guarantee this side up;
3. for realizing again turning to of crack, the initial stage of second stage spearhead is designed to high viscosity fracturing fluid slug, constructs with high discharge capacity after turning to liquid to put in place, forms more extending pressure, it is ensured that again play seam in new orientation;
4. turn to fiber that the cleaning stifled diverting material temporarily in liquid adopts degradable, that crack is more easily risen plugging action, strengthen the plugging action to crack and plugging strength.
The plane of YMA well turn to acid fracturing tubular column structure (under) be: oil pipe+necking down joint+expansion pipe (2, overall length 5.56 meters)+normally closed valve+pkr+oil pipe+ball-receiver; Mode of connection is conventional connection.
The temporary caulking joint mouth of the present embodiment forces plane to turn to the method forming many seams to comprise the steps:
Step one, use 30 cubic metres of visco-elastic surfactant acid (DCA turns to acid), inject stratum with the discharge capacity of 2.0-2.6 cubic meters per minute, to the acid of objective interval cloth and reduce parting pressure;
Step 2, inject 150 cubic metres of fracturing liquids to stratum with the discharge capacity of 4.5-5.5 cubic meters per minute, and the ammonium persulphate gel breaker of fracturing liquid consumption 0.01% in hot pursuit, form Article 1 man-made fracture, and observe the display whether having and linking up fracture and cave reservoir;
Step 3, making without linking up display in seam extend process because of the first step, first step man-made fracture may deviate the direction of favourable communication. Inject the stifled temporarily diverting material liquid of 15 cubic metres to stratum with the discharge capacity of 2.4 cubic meters per minute, inject the stifled temporarily diverting material liquid of 15 cubic metres to stratum with the discharge capacity of 0.5-2.0 cubic meters per minute, reinject the fracturing liquid of 40 cubic metres, and cleaning diverting material liquid is replaced sealing position;
Step 4, with the fracturing liquid of the high discharge capacity of 5.2-5.6 cubic meters per minute to stratum infusion 180 cubic metres, force crack to turn to and form Article 2 man-made fracture;
Step 5, use 120 cubic metres turn to the alcohol ether acid of acid and 60 sides, with the discharge capacity infusion of 5.0-6.0 cubic meters per minute, re-use 60 cubic metres and turn to acid and 60 cubic metres of alcohol ether acid, with the discharge capacity infusion of 4.0-5.5 cubic meters per minute, carry out acid erosion transformation to pressing off crack, form the acid-etched fracture of high water conservancy diversion;
Step 6, using operating tool string volume (28 cubic metres) low viscosity melon glue liquid to replace, termination of pumping is put spray after reacting 20 minutes and is sought product.
In the present embodiment, stifled diverting material temporarily and transport fluid (low viscosity melon glue liquid) mixing are prepared by stifled diverting material liquid temporarily. Wherein, the mass ratio 2: 100 of diverting material and low viscosity melon glue liquid is blocked up temporarily.
The stifled temporarily diverting material of the present embodiment is the cleaning diverting material (biodegradable fiber) of threadiness. The cleaning diverting material of this threadiness is the DCF-1 type novel steering agent produced by Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd.
The cleaning diverting material performance index of threadiness: diameter: 16 microns, length: 6 millimeters; Heatproof: 120 degrees Celsius, density: 1.10 grams/cc.
The stifled temporarily stifled crack of diverting material fluid-tight first selected by the present embodiment before enforcement forces plane to turn to effect to carry out logistics organizations, use ordinary method, thing mould adopts the limestone of appearing of 30 �� 30 �� 30 centimetres, as shown in Figure 2, after the old seam sealing that stifled diverting material shutoff has been formed temporarily, new man-made fracture is defined in new direction, it is seen that the stifled temporarily stifled crack of diverting material fluid-tight that the present embodiment is selected forces plane to turn to successful after re-injecting working fluid.
The stifled temporarily diverting material liquid this enforcement selected measures concentration and the flow that it reaches effective shutoff, as shown in Figure 3, flow-material concentration the relation curve of the effective shutoff of different in width cracking initiation obtained by a large amount of logistics organizations, thus can optimize operational discharge capacity to control to form sealing shutoff with the concentration adding stifled diverting material temporarily when site operation, force plane to turn to the many seams of formation to provide consumption foundation for implementing temporary caulking joint mouth.
In the present embodiment, with parts by weight, fracturing liquid comprises: 100 parts of fresh water, 0.45 part, super melon glue, 2 parts, Repone K, and sodium hydroxide, sodium carbonate and sodium bicarbonate amount to 0.2 part of (wherein 0.03-0.06 part sodium hydroxide; 0.08-0.15 part sodium carbonate; 0.08-0.12 part sodium bicarbonate), 0.1 part of formaldehyde, 0.01 part of ammonium persulphate, FRZ-4 type emulsion splitter 1 part, the efficient cleanup additive of HSC-25 type 1 part; 0.5 part, temperature stabilising agent sodium hydroxide; Sequestrant (EDTA, disodium ethylene diamine tetraacetate) 0.6 part; Organic borate cross-linker 0.8 part.
Above-mentioned fracturing liquid is by preparing the mixing of each component.
With parts by weight, low viscosity melon glue liquid comprises: fresh water 100 parts; 0.54 part of super melon glue; 2 parts, Repone K; Sodium hydroxide, sodium carbonate and sodium bicarbonate amount to 0.2 part of (wherein 0.03-0.06 part sodium hydroxide; 0.08-0.15 part sodium carbonate; 0.08-0.12 part sodium bicarbonate); 0.1 part of formaldehyde; 0.01 part of ammonium persulphate, FRZ-4 type emulsion splitter 1 part; The efficient cleanup additive of HSC-25 type 1 part; 0.5 part, temperature stabilising agent sodium hydroxide; Organic borate cross-linker 0.8 part.
Above-mentioned low viscosity melon sol solution is by preparing the mixing of each component.
In weight fraction, acid solution is turned to comprise: technical hydrochloric acid is 100 parts; Acid liquor gellant 0.15 part; High temperature corrosion inhibitors for acidic media 2 parts; DCA-1 type visco-elastic surfactant acid host (Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd's production) 10 parts.
In weight fraction, alcohol ether acid solution comprises: hydrochloric acid is 100 parts; KMS-50 type acid liquor gellant 0.3 part; KMS-6 type high temperature corrosion inhibitors for acidic media 2 parts; DCA-4 type alcohol ether 8 parts; Fe stabilizer sodium ascorbate 1 part.
Above-mentioned turns to acid and alcohol ether acid by the mixing of respective component being prepared.
Temporary caulking joint mouth at the present embodiment forces plane to turn in the method forming many seams, temporarily stifled diverting material enter cracking initiation stifled temporarily after, passing in time can be degraded, and namely termination of pumping reaction is wait that temporary stall returns penetrate into crack to material degradation, petroleum gas. To the degraded situation of temporarily stifled diverting material liquid 120 degrees Celsius, ordinary method measure, as shown in Figure 4, in fiber degradation process at one hundred and twenty degrees centigrade, after about 400 minutes, the palliating degradation degree of stifled diverting material reaches more than 95% temporarily.
The YMA well of the present embodiment have employed the stifled temporary caulking joint mouth of diverting material temporarily forces plane to turn to the remodeling method forming many seams, before using the temporary stifled temporary caulking joint mouth plane of diverting material to turn to acid fracturing to construct, first step fracturing liquid relatively big (260 cubic metres), but squeezing shows without linking up after terminating, illustrate that acid fracturing man-made fracture bearing of trend does not point to fracture and cave reservoir, 5 millimeters of oil nozzles are put spray and within two hours, are changed spacious putting into, open and see oil bloom after putting 7 hours, within 36 hours, produce oil 0.02 cubic metre; Inject containing temporarily stifled diverting material (fiber) turn to liquid after, turn to rear pressure increase 10.6 MPa, and have obviously new crack to open display, the effect serving plane and turning to is described, continues construction and linked up reservoir bodies, after acidfracturing treatment, seek product with 6 millimeters of oily nozzles, oil pressure 6 MPa, daily output oil 101.6 cubic metres, daily gas 11000 cubic metres, obvious effect of increasing production.
Embodiment 2
The present embodiment also provides a kind of temporary caulking joint mouth to force plane to turn to the method forming many seams. Implement waterpower sandfrac transformation by embodiment oil well of the KSA well in oil field, Tarim Basin, KSA well is a bite appraisal well in oil field, Tarim Basin, and volume increase zone of interest is K Ba Shijiqike group reservoir section. Zone of interest K Ba Shijiqike group is shown in show of oil and gas (SO&G) 85.0m/26 layer, and wherein well section 6528.00��6531.00m shows, and lithology is brown packsand, total hydrocarbon in gas logging 1.69 �� 3.49%; Test section (6406-6578) grows totally 46, crack, and fracture density is 0.26/m, and face seam rate is 0.061%; Gram dark 506 wells are positioned at arch core, crack major developmental at Ba Erduan, the medium growth in comprehensive evaluation test section crack. Early stage transforms situation: on December 24th, 2014, well section 6406.00��6578.00m is carried out acidfracturing treatment construction, test result gas-bearing formation. Reservoir recognizes: gram dark 506 wells are positioned at structural high favored site, reservoir properties is better, crack (relatively) is grown, by dark 5 blocks of Bick have been transformed well geology and transformation data, thinking that this well Reproducible ability validity is poor, acid fracturing does not effectively activate Reproducible ability for the first time. For improving production capacity further, test the suitability of this block sandfrac operation simultaneously, determine to adopt sandfrac mode to repeat transformation in this well through oil field research.
The temporary caulking joint mouth of the present embodiment forces plane to turn to the method forming many seams to comprise the steps:
Step one, use 235 cubic metres of fracturing liquids, inject stratum with the discharge capacity of 2-4.5 cubic meters per minute, extend original fracturing fracture;
Step 2, use 125 cubic metres of active liquid, inject stratum with the discharge capacity of 2-4.5 cubic meters per minute, activate reservoir micro-fractures;
Step 3, use take sand fracturing liquid (proppant concentration is the fracturing liquid of 118-354 kilogram/cubic metre) 180 cubic metres, inject stratum with the discharge capacity of 4.4-4.5 cubic meters per minute, and with adding the ammonium persulphate taking sand fracturing liquid weight 0.01%; By fracturing liquid 35 cubic metres, inject stratum with the discharge capacity of 2.7-4.5 cubic meters per minute, the sand of taking in pit shaft is replaced in man-made fracture;
Step 4, the stifled temporarily diverting material liquid injecting 42 cubic metres with the discharge capacity of 2.0-4.5 cubic meters per minute to stratum, with the discharge capacity of 0.5-2.0 cubic meters per minute to the stifled temporarily diverting material liquid of stratum infusion 42 cubic metres, and with the fracturing liquid of at least one operating tool string volume of the discharge capacity infusion of 2.7-4.5 cubic meters per minute (35 cubic metres), cleaning diverting material liquid is replaced sealing position;
Step 5, with the fracturing liquid of the high discharge capacity of 3.6-4.5 cubic meters per minute to stratum infusion 136 cubic metres, force crack to turn to and form Article 2 man-made fracture, and with adding the ammonium persulphate of fracturing liquid weight 0.01%;
Step 6, use take sand fracturing liquid (proppant concentration is the fracturing liquid of 121-400 kilogram/cubic metre) 133 cubic metres, inject stratum with the discharge capacity of 4.4-4.5 cubic meters per minute, and with adding the ammonium persulphate of fracturing liquid weight 0.01%;
Step 7, by fracturing liquid 35 cubic metres, inject stratum with the discharge capacity of 3.3-4.5 cubic meters per minute, the sand of taking in pit shaft is replaced in man-made fracture; Termination of pumping is put spray after 20 minutes and is sought product.
In the present embodiment, stifled diverting material temporarily and transport fluid (fracturing liquid) mixing are prepared by stifled diverting material liquid temporarily. Wherein, stifled diverting material 300 kilograms temporarily, fracturing liquid 15 cubic metres.
The stifled temporarily diverting material of the present embodiment prepares according to the consumption mixing of weight 1: 2: 7 by the cleaning diverting material of particulate state, the cleaning diverting material of sheet and the cleaning diverting material of threadiness.
The stifled temporarily diverting material of the present embodiment is the DCF-2 type novel steering agent produced by Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd.
Stifled diverting material temporarily is conventionally made the cleaning diverting material of particulate state, the cleaning diverting material of sheet and the cleaning diverting material of threadiness.
The cleaning diverting material performance index of threadiness: diameter: 16 microns, length: 6 millimeters; Heatproof: 120 degrees Celsius, density: 1.10 grams/cc.
The performance index of the cleaning diverting material of particulate state are: particle diameter 3 millimeters, real density 1.10 grams/cc, steering pressure 60 MPa, temperature resistant range 120 degrees Celsius.
The performance index of the cleaning diverting material of sheet are: thickness 1 millimeter, length 20 millimeters, real density 1.10 grams/cc, steering pressure 70 MPa, temperature resistant range 120 degrees Celsius.
In the present embodiment, propping agent is aluminium vanadine haydite, and the particle diameter of propping agent is 20-100 order.
In the present embodiment, with parts by weight, fracturing liquid comprises: 100 parts of fresh water, 0.45 part, super melon glue, 2 parts, Repone K, and sodium hydroxide, sodium carbonate and sodium bicarbonate amount to 0.2 part of (wherein 0.03-0.06 part sodium hydroxide; 0.08-0.15 part sodium carbonate; 0.08-0.12 part sodium bicarbonate), 0.1 part of formaldehyde, 0.01 part of ammonium persulphate, FRZ-4 type emulsion splitter 1 part, the efficient cleanup additive of HSC-25 type 1 part; 0.5 part, temperature stabilising agent sodium hydroxide; Sequestrant (EDTA, disodium ethylene diamine tetraacetate) 0.6 part; Organic borate cross-linker 0.8 part.
Above-mentioned fracturing liquid is by preparing the mixing of each component
The KSA well of the present embodiment have employed the temporary caulking joint mouth of cleaning diverting material forces plane to turn to the remodeling method forming many seams, first step Pump pressure of fracturing 77MPa, inject containing cleaning diverting material turn to liquid after, 2nd Pump pressure of fracturing 94.5MPa, two-stage discharge capacity is identical, but pump pressure adds 17.5MPa, and there is obviously new crack to open display, illustrate that cleaning diverting material serves and turn to effect preferably. Product is sought with 5 millimeters of oily nozzles, oil pressure 83.9 MPa, daily gas 38.68 ten thousand stere, obvious effect of increasing production after fracturing reform.
Therefore, the present embodiment technical scheme can force man-made fracture to turn in the plane and form many man-made fractures with flow conductivity, increase the probability linking up reservoir bodies, improve drainage area, and stifled diverting material has degradation property temporarily, can completely degrade after construction terminates, it is ensured that the many cracks of formation can all utilize, thus obtain more significant effect of increasing production.
Claims (83)
1. a temporary caulking joint mouth forces plane to turn to the method forming many seams, it comprises and uses temporarily stifled diverting material liquid to enter reservoir to form bridge blinding near the sealing of crack, force crack to turn to formation many cracks, and use active liquid or acid solution to activate reservoir micro-fractures, form the step of many seam seam nets; It specifically comprises the steps:
Step one, inject 50-500 cubic meter fracturing liquid to stratum with the discharge capacity of 2.0-15.0 cubic meters per minute, and the ammonium persulphate gel breaker of fracturing liquid consumption 0.01wt%-0.1wt% in hot pursuit; Or, inject acid solution, injection rate is 20-300 cubic meter, and injection speed is 2.0-15.0 cubic meters per minute;
Step 2 is corresponding with step one, injects acid solution, and injection rate is 20-300 cubic meter, and injection speed is 2.0-15.0 cubic meters per minute; Or, with the discharge capacity of 2.0-15.0 cubic meters per minute to stratum injection 50-500 cubic meter fracturing liquid, and the ammonium persulphate gel breaker of fracturing liquid consumption 0.01wt%-0.1wt% in hot pursuit;
Step 3, inject temporarily stifled diverting material liquid to stratum with the discharge capacity of 0.5-5.0 cubic meters per minute, when stifled diverting material liquid enters sealing temporarily, with the discharge capacity infusion of 0.5-2.0 cubic meters per minute stifled diverting material liquid temporarily, inject the stifled temporarily diverting material liquid of 5-100 cubic meter altogether;
Step 4, with the discharge capacity of 2.0-15.0 cubic meters per minute to the fracturing liquid of stratum infusion 20-200 cubic meter or acid solution;
Step 5, when the needs degree of depth is transformed, repeat the operation of step 3 to step 4;
Step 6, the neutrality using the low viscosity of at least one operating tool string volume or alkaline liquid carry out replacing kill-job.
2. temporary caulking joint mouth according to claim 1 forces plane to turn to the method forming many seams, it is characterised in that: the neutrality of described low viscosity or alkaline liquid comprise low viscosity melon sol solution and/or sodium hydroxide solution.
3. temporary caulking joint mouth according to claim 1 and 2 forces plane to turn to the method forming many seams, it is characterised in that: described acid solution comprises gel acid, temperature control becomes sticky acid, ground surface crosslinking acid, DCA turn to the combination of one or more in acid, emulsified acid, alcohol ether acid, foamed acid and buffer regulated HF acid.
4. temporary caulking joint mouth according to claim 3 forces plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described DCA turns to acid to comprise: basis acid solution 100 parts, acid liquor gellant 0.1-0.3 part, high temperature corrosion inhibitors for acidic media 1-4 part, DCA-1 visco-elastic surfactant acid host 8-12 part; Wherein, described acid liquor gellant is antiacid cationic polymers, and described high-temperature acid inhibiter is aldehyde ketoamine class condenses.
5. temporary caulking joint mouth according to claim 4 forces plane to turn to the method forming many seams, it is characterized in that: described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
6. temporary caulking joint mouth according to claim 3 forces plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described alcohol ether acid comprises: basis acid solution is 100 parts; Acid liquor gellant 0.3 part; High temperature corrosion inhibitors for acidic media 2 parts; Alcohol ether 8 parts; Fe stabilizer 1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, and described high-temperature acid inhibiter is aldehyde ketoamine class condenses, and described Fe stabilizer is sodium ascorbate.
7. temporary caulking joint mouth according to claim 4 or 5 forces plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described alcohol ether acid comprises: basis acid solution is 100 parts; Acid liquor gellant 0.3 part; High temperature corrosion inhibitors for acidic media 2 parts; Alcohol ether 8 parts; Fe stabilizer 1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, and described high-temperature acid inhibiter is aldehyde ketoamine class condenses, and described Fe stabilizer is sodium ascorbate.
8. temporary caulking joint mouth according to claim 6 forces plane to turn to the method forming many seams, it is characterised in that:
Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, and described alcohol ether is the DCA-4 type alcohol ether that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
9. temporary caulking joint mouth according to claim 7 forces plane to turn to the method forming many seams, it is characterised in that:
Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, and described alcohol ether is the DCA-4 type alcohol ether that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
10. temporary caulking joint mouth according to claim 3 forces plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described buffer regulated HF acid comprises: 100 parts of mix acid liquors containing 9% hydrochloric acid, 3% acetic acid and 2.0% hydrofluoric acid, 2 parts of sticky steady agent, 2.4 parts of inhibiter hosts, 1.2 parts of inhibiter auxiliary dose, 1 portion efficient cleanup additive, 2 parts of Fe stabilizeies, 1 part of emulsion splitter, 0.3 part of jelling agent, 5 parts of methyl alcohol.
11. temporary caulking joint mouths according to claim 10 force plane to turn to the method forming many seams, it is characterised in that:
Described sticky steady agent is that the AS-55 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces glues steady agent; Described inhibiter host is the KMS-6A type inhibiter host that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, auxiliary dose of the KMS-6B type inhibiter that auxiliary dose of described inhibiter is produced for Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd; Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described jelling agent is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described Fe stabilizer is sodium ascorbate.
The 12. temporary caulking joint mouths according to the arbitrary item of claim 4-6 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described buffer regulated HF acid comprises: 100 parts of mix acid liquors containing 9% hydrochloric acid, 3% acetic acid and 2.0% hydrofluoric acid, 2 parts of sticky steady agent, 2.4 parts of inhibiter hosts, 1.2 parts of inhibiter auxiliary dose, 1 portion efficient cleanup additive, 2 parts of Fe stabilizeies, 1 part of emulsion splitter, 0.3 part of jelling agent, 5 parts of methyl alcohol.
13. temporary caulking joint mouths according to claim 12 force plane to turn to the method forming many seams, it is characterised in that:
Described sticky steady agent is that the AS-55 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces glues steady agent; Described inhibiter host is the KMS-6A type inhibiter host that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, auxiliary dose of the KMS-6B type inhibiter that auxiliary dose of described inhibiter is produced for Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd; Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described jelling agent is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described Fe stabilizer is sodium ascorbate.
14. temporary caulking joint mouths according to claim 7 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described buffer regulated HF acid comprises: 100 parts of mix acid liquors containing 9% hydrochloric acid, 3% acetic acid and 2.0% hydrofluoric acid, 2 parts of sticky steady agent, 2.4 parts of inhibiter hosts, 1.2 parts of inhibiter auxiliary dose, 1 portion efficient cleanup additive, 2 parts of Fe stabilizeies, 1 part of emulsion splitter, 0.3 part of jelling agent, 5 parts of methyl alcohol.
15. temporary caulking joint mouths according to claim 14 force plane to turn to the method forming many seams, it is characterised in that:
Described sticky steady agent is that the AS-55 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces glues steady agent; Described inhibiter host is the KMS-6A type inhibiter host that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, auxiliary dose of the KMS-6B type inhibiter that auxiliary dose of described inhibiter is produced for Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd; Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described jelling agent is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described Fe stabilizer is sodium ascorbate.
16. temporary caulking joint mouths according to claim 8 or claim 9 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described buffer regulated HF acid comprises: 100 parts of mix acid liquors containing 9% hydrochloric acid, 3% acetic acid and 2.0% hydrofluoric acid, 2 parts of sticky steady agent, 2.4 parts of inhibiter hosts, 1.2 parts of inhibiter auxiliary dose, 1 portion efficient cleanup additive, 2 parts of Fe stabilizeies, 1 part of emulsion splitter, 0.3 part of jelling agent, 5 parts of methyl alcohol.
17. temporary caulking joint mouths according to claim 16 force plane to turn to the method forming many seams, it is characterised in that:
Described sticky steady agent is that the AS-55 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces glues steady agent; Described inhibiter host is the KMS-6A type inhibiter host that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces, auxiliary dose of the KMS-6B type inhibiter that auxiliary dose of described inhibiter is produced for Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd; Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described jelling agent is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described Fe stabilizer is sodium ascorbate.
18. 1 kinds of temporary caulking joint mouths force plane to turn to the method forming many seams, it comprises and uses temporarily stifled diverting material liquid to enter reservoir to form bridge blinding near the sealing of crack, force crack to turn to formation many cracks, and use active liquid or acid solution to activate reservoir micro-fractures, form the step of many seam seam nets; It specifically comprises the steps:
Step one, with the discharge capacity of 2.0-15.0 cubic meters per minute to stratum inject 50-500 cubic meter fracturing liquid;
Step 2, inject the active liquid of 5-500 cubic meter to stratum with the discharge capacity of 2.0-15.0 cubic meters per minute;
Step 3, inject 50-500 cubic meter sand taking the discharge capacity of 2.0-15.0 cubic meters per minute to stratum than taking sand fracturing liquid as 1%-50%, and with adding the ammonium persulphate gel breaker taking sand fracturing liquid consumption 0.01wt%-0.1wt%;
Step 4, inject temporarily stifled diverting material liquid to stratum with the discharge capacity of 0.5-5.0 cubic meters per minute, when stifled diverting material liquid enters sealing temporarily, with the discharge capacity infusion of 0.5-2.0 cubic meters per minute stifled diverting material liquid temporarily, inject the stifled temporarily diverting material liquid of 5-100 cubic meter altogether;
Step 5, recirculation carry out the operation 1 to 6 time of step one to step 4, till last circulation proceeds to step 3;
Step 6, the neutrality of the low viscosity of at least one operating tool string volume or alkaline liquid is used to replace.
19. temporary caulking joint mouths according to claim 18 force plane to turn to the method forming many seams, it is characterised in that: the neutrality of described low viscosity or alkaline liquid comprise low viscosity melon sol solution and/or sodium hydroxide solution.
The 20. temporary caulking joint mouths according to claim 18 or 19 force plane to turn to the method forming many seams, it is characterised in that: in step one, also it is included in the step of the 40-100 order small particle size propping agent adding 1-10 section slug when injecting fracturing liquid; Wherein, the volume of every section of slug is 10-30 cubic meter.
21. temporary caulking joint mouths according to claim 18 or 19 force planes to turn to the method forming many seams, it is characterised in that: described in take sand fracturing liquid and comprise propping agent and fracturing liquid, described propping agent comprises aluminium vanadine haydite and/or quartz sand.
22. temporary caulking joint mouths according to claim 21 force plane to turn to the method forming many seams, it is characterised in that: the particle diameter of described propping agent is 20-100 order.
23. temporary caulking joint mouths according to claim 20 force planes to turn to the method forming many seams, it is characterised in that: described in take sand fracturing liquid and comprise propping agent and fracturing liquid, described propping agent comprises aluminium vanadine haydite and/or quartz sand.
24. temporary caulking joint mouths according to claim 23 force plane to turn to the method forming many seams, it is characterised in that: the particle diameter of described propping agent is 20-100 order.
The 25. temporary caulking joint mouths according to claim 18 or 19 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described active liquid comprises following component: 100 portions of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additives of 0.01-0.1 part; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant;
Or, with parts by weight, described active liquid comprises following component: 100 parts of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additive of 0.01-0.1 part, the acid of 1-10 part; Wherein, described acid comprises the combination of one or more in mineral acid, organic acid and potential acid, described mineral acid comprises the combination of one or more in hydrochloric acid, phosphoric acid, mud acid and silicofluoric acid, described organic acid comprises the combination of one or more in formic acid, acetic acid and oxalic acid, and described potential acid comprises oxammonium hydrochloride and/or ammonium bifluoride.
26. temporary caulking joint mouths according to claim 20 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described active liquid comprises following component: 100 portions of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additives of 0.01-0.1 part; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant;
Or, with parts by weight, described active liquid comprises following component: 100 parts of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additive of 0.01-0.1 part, the acid of 1-10 part; Wherein, described acid comprises the combination of one or more in mineral acid, organic acid and potential acid, described mineral acid comprises the combination of one or more in hydrochloric acid, phosphoric acid, mud acid and silicofluoric acid, described organic acid comprises the combination of one or more in formic acid, acetic acid and oxalic acid, and described potential acid comprises oxammonium hydrochloride and/or ammonium bifluoride.
27. temporary caulking joint mouths according to claim 21 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described active liquid comprises following component: 100 portions of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additives of 0.01-0.1 part; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant;
Or, with parts by weight, described active liquid comprises following component: 100 parts of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additive of 0.01-0.1 part, the acid of 1-10 part; Wherein, described acid comprises the combination of one or more in mineral acid, organic acid and potential acid, described mineral acid comprises the combination of one or more in hydrochloric acid, phosphoric acid, mud acid and silicofluoric acid, described organic acid comprises the combination of one or more in formic acid, acetic acid and oxalic acid, and described potential acid comprises oxammonium hydrochloride and/or ammonium bifluoride.
The 28. temporary caulking joint mouths according to the arbitrary item of claim 22-24 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described active liquid comprises following component: 100 portions of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additives of 0.01-0.1 part; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant;
Or, with parts by weight, described active liquid comprises following component: 100 parts of fresh water, 0.001-0.1 part flow improver FR-800,0.1-1.0 part clay stabilizer AS-55,0.01-0.2 part emulsion splitter, the efficient cleanup additive of 0.01-0.1 part, the acid of 1-10 part; Wherein, described acid comprises the combination of one or more in mineral acid, organic acid and potential acid, described mineral acid comprises the combination of one or more in hydrochloric acid, phosphoric acid, mud acid and silicofluoric acid, described organic acid comprises the combination of one or more in formic acid, acetic acid and oxalic acid, and described potential acid comprises oxammonium hydrochloride and/or ammonium bifluoride.
29. temporary caulking joint mouths according to claim 25 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
The 30. temporary caulking joint mouths according to claim 26 or 27 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
31. temporary caulking joint mouths according to claim 28 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
The 32. temporary caulking joint mouths according to claim 1-2,4-6,8-11,13-15,17-19,22-24, the arbitrary item in 26-27,29,31 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
33. temporary caulking joint mouths according to claim 32 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
34. temporary caulking joint mouths according to claim 3 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
35. temporary caulking joint mouths according to claim 34 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
36. temporary caulking joint mouths according to claim 7 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
37. temporary caulking joint mouths according to claim 36 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
38. temporary caulking joint mouths according to claim 12 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
39. force plane to turn to the method forming many seams according to temporary caulking joint mouth according to claim 38, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
40. temporary caulking joint mouths according to claim 16 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
41. temporary caulking joint mouths according to claim 40 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
42. temporary caulking joint mouths according to claim 20 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
43. temporary caulking joint mouths according to claim 42 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
44. temporary caulking joint mouths according to claim 21 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
45. temporary caulking joint mouths according to claim 44 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
46. temporary caulking joint mouths according to claim 25 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
47. temporary caulking joint mouths according to claim 46 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
48. temporary caulking joint mouths according to claim 28 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
49. temporary caulking joint mouths according to claim 48 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
50. temporary caulking joint mouths according to claim 30 force plane to turn to the method forming many seams, it is characterised in that:
Described fracturing liquid is the one in guar gum fracturing fluid, synthesis based high molecular polymeric fracturing fluids, emulsification fracturing liquid, foamed fracturing fluid, organic fracturing liquid;
With parts by weight, described guar gum fracturing fluid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.3-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
51. temporary caulking joint mouths according to claim 50 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
The 52. temporary caulking joint mouths according to the arbitrary item of claim 1-2,18-19 force plane to turn to the method forming many seams, it is characterised in that:
Described stifled diverting material liquid temporarily comprises stifled diverting material and transport fluid temporarily, and the weight ratio of described stifled diverting material and described transport fluid temporarily is (1-10): 100;
Wherein, described transport fluid comprises the combination of one or more in low viscosity melon glue liquid, VES liquid and gelling acid solution.
53. temporary caulking joint mouths according to claim 3 force plane to turn to the method forming many seams, it is characterised in that:
Described stifled diverting material liquid temporarily comprises stifled diverting material and transport fluid temporarily, and the weight ratio of described stifled diverting material and described transport fluid temporarily is (1-10): 100;
Wherein, described transport fluid comprises the combination of one or more in low viscosity melon glue liquid, VES liquid and gelling acid solution.
54. temporary caulking joint mouths according to claim 20 force plane to turn to the method forming many seams, it is characterised in that:
Described stifled diverting material liquid temporarily comprises stifled diverting material and transport fluid temporarily, and the weight ratio of described stifled diverting material and described transport fluid temporarily is (1-10): 100;
Wherein, described transport fluid comprises the combination of one or more in low viscosity melon glue liquid, VES liquid and gelling acid solution.
55. temporary caulking joint mouths according to claim 52 force plane to turn to the method forming many seams, it is characterized in that: with parts by weight, described low viscosity melon glue liquid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.1-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
The 56. temporary caulking joint mouths according to claim 53 or 54 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described low viscosity melon glue liquid comprises following component: 100 parts of fresh water, 0.2-0.5 part melon glue or super melon glue, 2-10 part Repone K, 0.03-0.06 part sodium hydroxide, 0.08-0.15 part sodium carbonate, 0.08-0.12 part sodium bicarbonate, 0.08-0.12 part formaldehyde, 0.008-0.015 part ammonium persulphate, 0.5-1 part emulsion splitter, the efficient cleanup additive of 0.5-1 part, 0.1-0.8 part organic borate cross-linker; Wherein, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, and described efficient cleanup additive is fluorochemical surfactant.
57. temporary caulking joint mouths according to claim 52 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described VES liquid comprises following component: 100 parts of fresh water, 1-5 part VES-50A, 0.5-2 part VES-50B.
The 58. temporary caulking joint mouths according to the arbitrary item of claim 53-55 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described VES liquid comprises following component: 100 parts of fresh water, 1-5 part VES-50A, 0.5-2 part VES-50B.
59. temporary caulking joint mouths according to claim 56 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described VES liquid comprises following component: 100 parts of fresh water, 1-5 part VES-50A, 0.5-2 part VES-50B.
60. temporary caulking joint mouths according to claim 52 force plane to turn to the method forming many seams, it is characterized in that: with parts by weight, described gelling acid solution comprises following component: 100 portions of basic acid solutions, 0.3-1 part acid liquor gellant, 13 portions of high temperature corrosion inhibitors for acidic media, 0.5-1 part emulsion splitter, 0.5-1 part Fe stabilizer, the efficient cleanup additives of 0.5-1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, described high-temperature acid inhibiter is aldehyde ketoamine class condenses, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, described Fe stabilizer is sodium ascorbate, and described efficient cleanup additive is fluorochemical surfactant.
The 61. temporary caulking joint mouths according to the arbitrary item of claim 53-55 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described gelling acid solution comprises following component: 100 portions of basic acid solutions, 0.3-1 part acid liquor gellant, 13 portions of high temperature corrosion inhibitors for acidic media, 0.5-1 part emulsion splitter, 0.5-1 part Fe stabilizer, the efficient cleanup additives of 0.5-1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, described high-temperature acid inhibiter is aldehyde ketoamine class condenses, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, described Fe stabilizer is sodium ascorbate, and described efficient cleanup additive is fluorochemical surfactant.
62. temporary caulking joint mouths according to claim 56 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described gelling acid solution comprises following component: 100 portions of basic acid solutions, 0.3-1 part acid liquor gellant, 13 portions of high temperature corrosion inhibitors for acidic media, 0.5-1 part emulsion splitter, 0.5-1 part Fe stabilizer, the efficient cleanup additives of 0.5-1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, described high-temperature acid inhibiter is aldehyde ketoamine class condenses, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, described Fe stabilizer is sodium ascorbate, and described efficient cleanup additive is fluorochemical surfactant.
The 63. temporary caulking joint mouths according to claim 57 or 59 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described gelling acid solution comprises following component: 100 portions of basic acid solutions, 0.3-1 part acid liquor gellant, 13 portions of high temperature corrosion inhibitors for acidic media, 0.5-1 part emulsion splitter, 0.5-1 part Fe stabilizer, the efficient cleanup additives of 0.5-1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, described high-temperature acid inhibiter is aldehyde ketoamine class condenses, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, described Fe stabilizer is sodium ascorbate, and described efficient cleanup additive is fluorochemical surfactant.
64. temporary caulking joint mouths according to claim 58 force plane to turn to the method forming many seams, it is characterised in that:
With parts by weight, described gelling acid solution comprises following component: 100 portions of basic acid solutions, 0.3-1 part acid liquor gellant, 13 portions of high temperature corrosion inhibitors for acidic media, 0.5-1 part emulsion splitter, 0.5-1 part Fe stabilizer, the efficient cleanup additives of 0.5-1 part; Wherein, described acid liquor gellant is antiacid cationic polymers, described high-temperature acid inhibiter is aldehyde ketoamine class condenses, described emulsion splitter is condenses and/or the cats product of alkylphenol and oxyethane, described Fe stabilizer is sodium ascorbate, and described efficient cleanup additive is fluorochemical surfactant.
65. according to claim 55,57, temporary caulking joint mouth described in the arbitrary item in 59-60,62,64 force plane to turn to the method forming many seams, it is characterised in that: described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
66. temporary caulking joint mouths according to claim 56 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
67. temporary caulking joint mouths according to claim 58 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
68. temporary caulking joint mouths according to claim 61 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
69. temporary caulking joint mouths according to claim 63 force plane to turn to the method forming many seams, it is characterised in that:
Described emulsion splitter is the FRZ-4 type emulsion splitter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described efficient cleanup additive is the efficient cleanup additive of HSC-25 type that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described acid liquor gellant is the KMS-50 type gelifying agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces; Described high-temperature corrosion inhibitor is the KMS-6 type inhibiter that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
70. temporary caulking joint mouths according to claim 52 force plane to turn to the method forming many seams, it is characterised in that:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material temporarily.
71. temporary caulking joint mouths according to claim 56 force plane to turn to the method forming many seams, it is characterised in that:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material temporarily.
72. temporary caulking joint mouths according to claim 58 force plane to turn to the method forming many seams, it is characterised in that:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material temporarily.
73. temporary caulking joint mouths according to claim 61 force plane to turn to the method forming many seams, it is characterised in that:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material temporarily.
74. temporary caulking joint mouths according to claim 63 force plane to turn to the method forming many seams, it is characterised in that:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material temporarily.
75. temporary caulking joint mouths according to claim 65 force plane to turn to the method forming many seams, it is characterised in that:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material temporarily.
76. according to claim 53-55,57,59-60,62,64, temporary caulking joint mouth described in the arbitrary item of 66-69 force plane to turn to the method forming many seams, it is characterised in that:
Described temporarily stifled diverting material comprise water-soluble stifled material, oil soluble temporarily temporarily stifled material, temperature degraded stifled material and the biological degradation temporarily combination of one or more in stifled material temporarily.
77. temporary caulking joint mouths according to the arbitrary item of claim 70-75 force planes to turn to the method forming many seams, it is characterised in that: described stifled diverting material temporarily comprises the combination of one or more in FCL type petroleum engineering fiber, DCF-1 type pressure break novel steering agent, SR-3 type flexible agent and the DCF-2 pressure break diversion agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
78. force plane to turn to the method forming many seams according to the temporary caulking joint mouth described in claim 76, it is characterised in that: described stifled diverting material temporarily comprises the combination of one or more in FCL type petroleum engineering fiber, DCF-1 type pressure break novel steering agent, SR-3 type flexible agent and the DCF-2 pressure break diversion agent that Beijing KeMaiShi Oil Field Chemical regent Technology Co., Ltd produces.
The 79. temporary caulking joint mouths according to claim 70-75,78 arbitrary items force plane to turn to the method forming many seams, it is characterized in that: described temporarily stifled diverting material is particulate state stifled diverting material, sheet stifled diverting material and the threadiness combination of one or more in stifled diverting material temporarily temporarily temporarily, in weight, when with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and threadiness block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.3-0.7): (0.7-0.3); When with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for sheet, stifled diverting material and threadiness block up the amount ratio of diverting material to sheet temporarily temporarily is (0.2-0.8): (0.8-0.2); When with sheet temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and sheet block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.4-0.6): (0.4-0.6); When particulate state temporarily stifled diverting material, sheet stifled diverting material and the temporary stall of threadiness are applied to combination of materials temporarily time, the amount ratio of particulate state stifled diverting material, sheet stifled diverting material and threadiness stifled diverting material temporarily temporarily temporarily is (0.1-0.5): (0.2-0.4): (0.7-0.1).
80. force plane to turn to the method forming many seams according to the temporary caulking joint mouth described in claim 76, it is characterised in that:
Described temporarily stifled diverting material is particulate state stifled diverting material, sheet stifled diverting material and the threadiness combination of one or more in stifled diverting material temporarily temporarily temporarily, in weight, when with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and threadiness block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.3-0.7): (0.7-0.3); When with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for sheet, stifled diverting material and threadiness block up the amount ratio of diverting material to sheet temporarily temporarily is (0.2-0.8): (0.8-0.2); When with sheet temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and sheet block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.4-0.6): (0.4-0.6); When particulate state temporarily stifled diverting material, sheet stifled diverting material and the temporary stall of threadiness are applied to combination of materials temporarily time, the amount ratio of particulate state stifled diverting material, sheet stifled diverting material and threadiness stifled diverting material temporarily temporarily temporarily is (0.1-0.5): (0.2-0.4): (0.7-0.1).
81. force plane to turn to the method forming many seams according to the temporary caulking joint mouth described in claim 77, it is characterised in that:
Described temporarily stifled diverting material is particulate state stifled diverting material, sheet stifled diverting material and the threadiness combination of one or more in stifled diverting material temporarily temporarily temporarily, in weight, when with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and threadiness block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.3-0.7): (0.7-0.3); When with threadiness temporary stall to combination of materials apply temporarily by stifled diverting material for sheet, stifled diverting material and threadiness block up the amount ratio of diverting material to sheet temporarily temporarily is (0.2-0.8): (0.8-0.2); When with sheet temporary stall to combination of materials apply temporarily by stifled diverting material for particulate state, stifled diverting material and sheet block up the amount ratio of diverting material to particulate state temporarily temporarily is (0.4-0.6): (0.4-0.6); When particulate state temporarily stifled diverting material, sheet stifled diverting material and the temporary stall of threadiness are applied to combination of materials temporarily time, the amount ratio of particulate state stifled diverting material, sheet stifled diverting material and threadiness stifled diverting material temporarily temporarily temporarily is (0.1-0.5): (0.2-0.4): (0.7-0.1).
82. force plane to turn to the method forming many seams according to the temporary caulking joint mouth described in claim 79, it is characterised in that:
Described particulate state blocks up the performance index of diverting material temporarily: particle diameter 1-3 millimeter, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius;
Described sheet blocks up the performance index of diverting material temporarily: the flap of thickness 0.1-3 millimeter, 5-10 millimeter circle and/or similar circle, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius;
Described threadiness blocks up the performance index of diverting material temporarily: Fibre diameter 10-20 micron, length 4-8 millimeter, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius.
The 83. temporary caulking joint mouths according to claim 80 or 81 force plane to turn to the method forming many seams, it is characterised in that:
Described particulate state blocks up the performance index of diverting material temporarily: particle diameter 1-3 millimeter, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius;
Described sheet blocks up the performance index of diverting material temporarily: the flap of thickness 0.1-3 millimeter, 5-10 millimeter circle and/or similar circle, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius;
Described threadiness blocks up the performance index of diverting material temporarily: Fibre diameter 10-20 micron, length 4-8 millimeter, real density 1.10-1.35 gram/cc, temperature resistant range 20-200 degree Celsius.
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| CN113818858A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Method for repeated acid fracturing of heavy foam acid of deep carbonate rock |
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