CN106893568A - Molten complex material sealing agent of part theobromine and preparation method thereof and application method - Google Patents

Molten complex material sealing agent of part theobromine and preparation method thereof and application method Download PDF

Info

Publication number
CN106893568A
CN106893568A CN201710079231.XA CN201710079231A CN106893568A CN 106893568 A CN106893568 A CN 106893568A CN 201710079231 A CN201710079231 A CN 201710079231A CN 106893568 A CN106893568 A CN 106893568A
Authority
CN
China
Prior art keywords
mesh
sealing agent
theobromine
rigid material
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710079231.XA
Other languages
Chinese (zh)
Inventor
刘敬礼
赵曙光
黄凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Xibu Drilling Engineering Co Ltd
Original Assignee
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNPC Xibu Drilling Engineering Co Ltd filed Critical CNPC Xibu Drilling Engineering Co Ltd
Priority to CN201710079231.XA priority Critical patent/CN106893568A/en
Publication of CN106893568A publication Critical patent/CN106893568A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/42Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/426Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for plugging
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/42Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
    • C09K8/46Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices or the like
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2208/00Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/08Fiber-containing well treatment fluids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Material Composition (AREA)

Abstract

It is molten complex material sealing agent of a kind of part theobromine and preparation method thereof and application method the present invention relates to sealing agent technical field, the molten complex material sealing agent of the part theobromine, raw material includes mineral fibres, string, synthetic fibers and rigid material.The leak stopping performance of theobromine molten rigid material sealing agent in part of the present invention is better than domestic common commercially available sealing agent, and the leak stopping performance with external sealing agent is suitable, because the raw material sources of the molten rigid material sealing agent of part theobromine of the present invention are extensive, low in raw material price, make the production cost of the production cost less than external sealing agent of the molten rigid material sealing agent of part theobromine of the present invention, make the cost performance of the molten rigid material sealing agent of part theobromine of the present invention better than external sealing agent, technical support is provided to improve leakage complex process efficiency.

Description

Molten complex material sealing agent of part theobromine and preparation method thereof and application method
Technical field
The present invention relates to sealing agent technical field, be molten complex material sealing agent of a kind of part theobromine and preparation method thereof and Application method.
Background technology
During Underwell leakage is Oil/gas Well operation process, working fluid such as drilling fluid, cement mortar, workover fluid etc. enter in pit shaft Underground high permeability zone, hole stratum, natural or induction formation fracture phenomenon.The harm of Underwell leakage:Head of liquid reduction is made Into blowout;Cause underground bit freezing;Aggravation reservoir damage, influences cementing quality;Extension drilling period, increases cost, severe patient oil Well is scrapped.As a example by 2003, the whole world is costly up to 800,000,000 dollars for drilling well leak-proof leak-stopping, does not include also being leaked for treatment Other down-hole accident expenses that mistake causes.As domestic outer portion old area oil gas field tends to exhaustion, drilling well leakage complicated phenomenon will Can increasingly protrude.
Either in land or marine drilling operating environment, Underwell leakage is all the time common with oil drilling Problem, especially for the hole condition that leakage is complicated.At present, commonly use sealing agent and solve the problems, such as Underwell leakage, current leak stopping Agent species is many, according to the composition species point of sealing agent, can be divided into single dose and complexing agent, and when carrying out leak stopping using single dose, it is blocked up Leakage effect is poor, and the leak stopping performance of domestic compound sealing agent is not good, has much room for improvement.Particularly with the leakage that leakage is complicated Lose, existing sealing agent is difficult to reach its leak stopping requirement, so as to constrain the raising of leakage complex process efficiency, this turns into restriction oil One of major technology bottleneck of gas exploration development rate.And the plugging effect of the sealing agent of external import is preferably, but it is produced Relatively costly, price occupies height, makes the reduction of its cost performance, causes to increase using the leak stopping cost of external sealing agent.
The content of the invention
The invention provides molten complex material sealing agent of a kind of part theobromine and preparation method thereof and application method, overcome The deficiency of above-mentioned prior art, the leak stopping performance that it can effectively solve existing domestic sealing agent is not good and import sealing agent is produced into This problem higher.
One of technical scheme is realized by following measures:A kind of molten complex material leak stopping of part theobromine Agent, raw materials by weight portion meter is 20 mesh to 10 parts to 25 parts of 60 target minreal fiber, the plant of 10 mesh to 40 mesh including mesh number 10 parts to 30 parts of fiber, 10 mesh to 5 parts to 15 parts of the synthetic fibers of 40 mesh, 10 parts to 15 parts of the rigid material of 60 mesh to 80 mesh, 15 parts to 20 parts of the rigid material of 10 parts to 20 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh.
Here is the further optimization and/or improvements to one of foregoing invention technical scheme:
Above-mentioned mineral fibres is one or more of asbestos, mica and vermiculite.
Above-mentioned rigid material is one or more of lime stone, calcite and quartz sand.
Above-mentioned string is one or more of short velveteen, straw and rice husk.
Theobromine molten complex material sealing agent in part described above is obtained as follows:By the desired amount of mesh number be 20 mesh extremely 60 target minreal fibers, 10 mesh to the string of 40 mesh, the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh rigid material The molten complex material of part theobromine is obtained after the rigid material mixing of material, the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh Sealing agent.
Above-mentioned mesh number is obtained as follows for 20 mesh to 60 target minreal fibers:By mineral fibres sequentially through crushing and 20 mesh to 60 target minreal fibers are obtained after the vibratory sieve for crossing 20 mesh to 60 mesh;The rigid material of 60 mesh to 80 mesh is as follows Obtain:Mineral fibres is sequentially obtained the rigid material of 60 mesh to 80 mesh by after crushing and crossing the vibratory sieve of 60 mesh to 80 mesh; 80 mesh to the rigid material of 100 mesh is obtained as follows:Mineral fibres is sequentially shaken by crushing and crossing 80 mesh to 100 purposes The rigid material of 80 mesh to 100 mesh is obtained after dynamic sieve;100 mesh to the rigid material of 120 mesh is obtained as follows:Mineral are fine Dimension sequentially obtains the rigid material of 100 mesh to 120 mesh by after crushing and crossing the vibratory sieve of 100 mesh to 120 mesh.
Above-mentioned fibres add 0.1% to 0.2% surfactant to it in crushing process, and surfactant is non- Ionic surfactant or amphoteric ionic surfactant;Or/and, rigid material is added in crushing process to it 0.1% to 0.2% surfactant, surfactant is nonionic surface active agent or amphoteric ionic surfactant.
The two of technical scheme are realized by following measures:A kind of described part of one of technical scheme The preparation method of the molten complex material sealing agent of theobromine, is carried out as follows:It is ore deposit of 20 mesh to 60 mesh by the desired amount of mesh number Fibres, 10 mesh to 40 mesh string, the synthetic fibers of 10 mesh to 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh extremely The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of the rigid material of 100 mesh and 100 mesh to 120 mesh.
Here is the further optimization and/or improvements to the two of foregoing invention technical scheme:
Above-mentioned mineral fibres is one or more of asbestos, mica and vermiculite.
Above-mentioned rigid material is one or more of lime stone, calcite and quartz sand.
Above-mentioned string is one or more of short velveteen, straw and rice husk.
Above-mentioned mesh number is obtained as follows for 20 mesh to 60 target minreal fibers:By mineral fibres sequentially through crushing and 20 mesh to 60 target minreal fibers are obtained after the vibratory sieve for crossing 20 mesh to 60 mesh;The rigid material of 60 mesh to 80 mesh is as follows Obtain:Mineral fibres is sequentially obtained the rigid material of 60 mesh to 80 mesh by after crushing and crossing the vibratory sieve of 60 mesh to 80 mesh; 80 mesh to the rigid material of 100 mesh is obtained as follows:Mineral fibres is sequentially shaken by crushing and crossing 80 mesh to 100 purposes The rigid material of 80 mesh to 100 mesh is obtained after dynamic sieve;100 mesh to the rigid material of 120 mesh is obtained as follows:Mineral are fine Dimension sequentially obtains the rigid material of 100 mesh to 120 mesh by after crushing and crossing the vibratory sieve of 100 mesh to 120 mesh.
Above-mentioned fibres add 0.1% to 0.2% surfactant to it in crushing process, and surfactant is non- Ionic surfactant or amphoteric ionic surfactant;Or/and, rigid material is added in crushing process to it 0.1% to 0.2% surfactant, surfactant is nonionic surface active agent or amphoteric ionic surfactant.
The three of technical scheme are realized by following measures:A kind of described part of one of technical scheme The application method of the molten complex material sealing agent of theobromine, is carried out as follows:Theobromine molten complex material sealing agent in part is added Leak stopping slurry is obtained in drilling well base slurry and after well mixed, at leak stopping stock pump to Underwell leakage layer, wherein, part theobromine Mass percent of the molten complex material sealing agent in leak stopping slurry is 3% to 5%.
The leak stopping performance of theobromine molten rigid material sealing agent in part of the present invention is better than domestic common commercially available leak stopping Agent, and it is suitable with the leak stopping performance of external sealing agent, due to the molten rigid material sealing agent of part theobromine of the present invention Extensively, low in raw material price makes the low production cost of the molten rigid material sealing agent of part theobromine of the present invention to raw material sources In the production cost of external sealing agent, the cost performance of the molten rigid material sealing agent of part theobromine of the present invention is set to be better than state Outer sealing agent, technical support is provided to improve leakage complex process efficiency, is carried to accelerate Complex formation drilling and oil and gas development Effective technical guarantee is supplied, simultaneously as the otherness of each regional geographical environment, leakage stratum has choosing to sealing agent Selecting property, illustrates, theobromine molten rigid material sealing agent in part of the present invention is more suitable for native country stratum by testing.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and actual conditions determine specifically Implementation method.Various chemical reagent and chemical article are previously mentioned in the present invention unless otherwise specified, are known in existing technology Public chemical reagent and chemical article;Percentage in the present invention is as without specified otherwise, being mass percent.
With reference to embodiment, the invention will be further described:
Embodiment 1:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60 purposes 10 parts to 25 parts of mineral fibres, 10 mesh are to 10 parts to 30 parts of the string of 40 mesh, 5 parts to 15 of the synthetic fibers of 10 mesh to 40 mesh Part, 10 parts to 20 parts of the rigid material of 10 parts to 15 parts of the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh and 100 mesh are to 120 15 parts to 20 parts of purpose rigid material, the molten complex material sealing agent of part theobromine is obtained as follows:Will be the desired amount of Mesh number is 20 mesh to 60 target minreal fibers, the string of 10 mesh to 40 mesh, the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 Purpose rigid material, 80 mesh obtain part theobromine after mixing to the rigid material of 120 mesh to the rigid material and 100 mesh of 100 mesh Molten complex material sealing agent.
Embodiment 2:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60 10 parts or 25 parts of target minreal fiber, 10 parts or 30 parts of the string of 10 mesh to 40 mesh, 5 parts of the synthetic fibers of 10 mesh to 40 mesh Or 15 parts, 10 parts or 15 parts of the rigid material of 60 mesh to 80 mesh, 10 parts or 20 parts of the rigid material and 100 mesh of 80 mesh to 100 mesh To 15 parts or 20 parts of the rigid material of 120 mesh, the molten complex material sealing agent of part theobromine is obtained as follows:Will be required The mesh number of amount is 20 mesh to 60 target minreal fibers, the string of 10 mesh to 40 mesh, the synthetic fibers of 10 mesh to 40 mesh, 60 mesh Rigid material, 80 mesh to 80 mesh obtain part after mixing to the rigid material of 120 mesh to the rigid material and 100 mesh of 100 mesh The molten complex material sealing agent of theobromine.
Embodiment 3:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60 10 parts of target minreal fiber, 10 mesh to 40 mesh 30 parts of string, 5 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh 10 parts of rigid material, 10 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh 20 parts of rigid material, the part The molten complex material sealing agent of theobromine is obtained as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh by the desired amount of mesh number String, 10 mesh to 40 mesh to the synthetic fibers of 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh rigidity The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of material and 100 mesh to 120 mesh.
Embodiment 4:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60 25 parts of target minreal fiber, 10 mesh to 40 mesh 10 parts of string, 15 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh 15 parts of rigid material, 20 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh 15 parts of rigid material, the part The molten complex material sealing agent of theobromine is obtained as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh by the desired amount of mesh number String, 10 mesh to 40 mesh to the synthetic fibers of 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh rigidity The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of material and 100 mesh to 120 mesh.
Embodiment 5:Used as the optimization of above-described embodiment, mineral fibres is one or more of asbestos, mica and vermiculite.
Embodiment 6:Used as the optimization of above-described embodiment, rigid material is the one kind in lime stone, calcite and quartz sand More than.
Embodiment 7:Used as the optimization of above-described embodiment, string is the one kind in short velveteen, straw and rice husk More than.
Embodiment 8:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60 18 parts of purpose asbestos, 10 mesh to 40 mesh 20 parts of straw, 8 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 destination party 17 parts of the calcite of 12 parts of stone of solution, 15 parts of the calcite of 80 mesh to 100 mesh and 100 mesh to 120 mesh, the molten compounding of part theobromine Material sealing agent is obtained as follows:By asbestos, the plant straw of 10 mesh to 40 mesh that the desired amount of mesh number is 20 mesh to 60 mesh Stalk, 10 mesh are to the synthetic fibers of 40 mesh, the calcite of 60 mesh to 80 mesh, the calcite of 80 mesh to 100 mesh and 100 mesh to 120 mesh Calcite mixing after obtain the molten complex material sealing agent of part theobromine.
Embodiment 9:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60 22 parts of purpose mica, 10 mesh to 24 parts of the rice husk of 40 mesh, 14 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh rigid material 17 parts of the lime stone of 11 parts of material, 18 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh, the molten compounding of part theobromine Material sealing agent is obtained as follows:By mica, rice husk, 10 of 10 mesh to 40 mesh that the desired amount of mesh number is 20 mesh to 60 mesh Mesh to the synthetic fibers of 40 mesh, the quartz sand of 60 mesh to 80 mesh, the quartz sand of 80 mesh to 100 mesh and 100 mesh to 120 mesh lime The molten complex material sealing agent of part theobromine is obtained after stone mixing.
Embodiment 10:Used as the optimization of above-described embodiment, mesh number is that 20 mesh to 60 target minreal fibers are obtained as follows Arrive:Mineral fibres is sequentially obtained into 20 mesh to 60 target minreal fibers by after crushing and crossing the vibratory sieve of 20 mesh to 60 mesh;60 Mesh to the rigid material of 80 mesh is obtained as follows:Mineral fibres sequentially through vibratory sieve crushing and cross 60 mesh to 80 mesh The rigid material of 60 mesh to 80 mesh is obtained afterwards;80 mesh to the rigid material of 100 mesh is obtained as follows:By mineral fibres sequentially The rigid material of 80 mesh to 100 mesh is obtained by after crushing and crossing the vibratory sieve of 80 mesh to 100 mesh;The rigidity of 100 mesh to 120 mesh Material is obtained as follows:Mineral fibres is sequentially obtained into 100 mesh by after crushing and crossing the vibratory sieve of 100 mesh to 120 mesh To the rigid material of 120 mesh.
Embodiment 11:Used as the optimization of above-described embodiment, fibres add 0.1% to 0.2% in crushing process to it Surfactant, surfactant is nonionic surface active agent or amphoteric ionic surfactant;Or/and, rigid material Material adds 0.1% to 0.2% surfactant to it in crushing process, and surfactant is nonionic surface active agent Or amphoteric ionic surfactant.
Embodiment 12:The application method of the molten complex material sealing agent of part theobromine described in above-described embodiment, by following sides Method is carried out:By the molten complex material sealing agent of part theobromine be added in drilling well base slurry and it is well mixed after obtain leak stopping slurry, will be stifled At spillage pump to Underwell leakage layer, wherein, mass percent of the theobromine molten complex material sealing agent in part in leak stopping slurry For 3% to 5%.
Blocked up according to the molten complex material of part theobromine that embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are obtained Leak the technical indicator and existing domestic common commercially available sealing agent of agent(It is common commercially available)Technical indicator it is as shown in table 1.
Be can be seen that by the data in table 1 and obtained according to embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 To the molten complex material sealing agent of part theobromine relative to the acid-soluble ratio of common commercially available sealing agent, temperature resistance, compressive resistance ability, ooze Saturating rate recovery rate is increased, and blocking time and leak stopping discharge are reduced, then according to embodiment 1, embodiment 3, embodiment The technical indicator of the molten complex material sealing agent of part theobromine that the 4th, embodiment 8, embodiment 9 are obtained(Acid-soluble ratio, temperature resistance, compressive resistance Ability, resume permeability rate, blocking time and leak stopping discharge)The technical indicator of domestic common commercially available sealing agent is superior to, Illustrate the molten complex material sealing agent of part theobromine obtained according to embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 Leak stopping performance of the leak stopping performance better than domestic common commercially available sealing agent.
Blocked up according to the molten complex material of part theobromine that embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are obtained Leakage agent is to drilling fluid(Base is starched)Influence as shown in table 2, existing domestic common commercially available sealing agent (common commercially available) is to drilling fluid Influence as shown in table 2, while single dose(40 mesh walnut shells)Influence to drilling fluid is as shown in table 2.In process of the test, with 1mm Seam plate carries out static simulation leak stopping, and concentration 5%, simulated pressure 3.0MPa, 60 DEG C of test temperature, base is starched to be from scene and fetches Well slurry.
Addition embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are can be seen that by the data of table 2 to obtain The molten complex material sealing agent of part theobromine after base slurry indices numerical value be respectively smaller than in acceding state it is common commercially available stifled The numerical value of each index of the base slurry of leakage agent or single dose, then embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are obtained Influence of the molten complex material sealing agent of part theobromine for arriving to drilling fluid is respectively less than domestic common commercially available sealing agent and single dose Influence to drilling fluid, it is possible thereby to illustrate, is obtained using embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 Influence of the theobromine molten complex material sealing agent in part to property of drilling fluid is smaller, for existing sealing agent, is more suitable for In drillng operation.
The molten complex material sealing agent of part theobromine that embodiment 8 is obtained, the sealing agent of Halliburton Company are applied respectively In Chinese parasol tree ditch group with overlying strata DX1473 wells, DX1804 wells, the sealing agent of An Dong oil companies and embodiment 9 are obtained Theobromine molten complex material sealing agent in part is applied to eight road gulf groups with overlying strata b1272 wells, b1289 wells, the brill after Well liquid equal yield density is as shown in table 3.
The molten complex material of part theobromine described in Application Example 8 is can be seen that by the equal yield density raising amount in table 3 Equivalent drilling fluid density raising amount after sealing agent and the equivalent drilling fluid density raising amount using Halliburton Company's sealing agent Quite, equivalent drilling fluid density raising amount after the molten complex material sealing agent of part theobromine and application described in Application Example 9 The equivalent drilling fluid density raising amount of An Dong oil companies sealing agent quite, illustrates that the part that embodiment 8 and embodiment 9 are obtained can The molten complex material sealing agent of acid is suitable with the leak stopping performance of above-mentioned two sealing agents.
In sum, the leak stopping performance of the molten rigid material sealing agent of part theobromine of the present invention is better than domestic common city The sealing agent sold, and it is suitable with the leak stopping performance of external sealing agent, due to theobromine molten rigid material in part of the present invention Extensively, low in raw material price makes the life of the molten rigid material sealing agent of part theobromine of the present invention to the raw material sources of sealing agent Production cost of the cost less than external sealing agent is produced, makes the sexual valence of the molten rigid material sealing agent of part theobromine of the present invention Than better than external sealing agent, technical support being provided to improve leakage complex process efficiency, to accelerate Complex formation drilling and oil Gas exploitation provides effective technical guarantee, simultaneously as the otherness of each regional geographical environment, leakage stratum is to leak stopping Agent has selectivity, is illustrated by testing, and theobromine molten rigid material sealing agent in part of the present invention is more suitable for this soil Layer.
Above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can basis The non-essential technical characteristic of increase and decrease is actually needed to meet the demand of different situations.

Claims (10)

1. the molten complex material sealing agent of a kind of part theobromine, it is characterised in that raw materials by weight portion meter include mesh number be 20 mesh extremely 60 10 parts to 25 parts of target minreal fibers, 10 parts to 30 parts of the string of 10 mesh to 40 mesh, the synthetic fibers 5 of 10 mesh to 40 mesh Part to 15 parts, 10 parts to 15 parts of the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh 10 parts to 20 parts and 100 of rigid material Mesh to 120 mesh 15 parts to 20 parts of rigid material.
2. the molten complex material sealing agent of part theobromine according to claim 1, it is characterised in that mineral fibres is asbestos, cloud One or more of female and vermiculite.
3. the molten complex material sealing agent of part theobromine according to claim 1 and 2, it is characterised in that rigid material is lime One or more of stone, calcite and quartz sand.
4. the molten complex material sealing agent of part theobromine according to claim 1 or 2 or 3, it is characterised in that string is One or more of short velveteen, straw and rice husk.
5. the molten complex material sealing agent of part theobromine according to claim 1 or 2 or 3 or 4, it is characterised in that the part The molten complex material sealing agent of theobromine is obtained as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh by the desired amount of mesh number String, 10 mesh to 40 mesh to the synthetic fibers of 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh rigidity The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of material and 100 mesh to 120 mesh.
6. the molten complex material sealing agent of part theobromine according to claim 1 or 2 or 3 or 4, it is characterised in that mesh number is 20 Mesh to 60 target minreal fibers are obtained as follows:Mineral fibres sequentially through vibratory sieve crushing and cross 20 mesh to 60 mesh After obtain 20 mesh to 60 target minreal fibers;60 mesh to the rigid material of 80 mesh is obtained as follows:By mineral fibres sequentially The rigid material of 60 mesh to 80 mesh is obtained by after crushing and crossing the vibratory sieve of 60 mesh to 80 mesh;The rigid material of 80 mesh to 100 mesh Material is obtained as follows:Mineral fibres is sequentially obtained into 80 mesh to 100 by after crushing and crossing the vibratory sieve of 80 mesh to 100 mesh Purpose rigid material;100 mesh to the rigid material of 120 mesh is obtained as follows:By mineral fibres sequentially by crushing and mistake The rigid material of 100 mesh to 120 mesh is obtained after the vibratory sieve of 100 mesh to 120 mesh.
7. the molten complex material sealing agent of part theobromine according to claim 5, it is characterised in that mesh number is 20 mesh to 60 mesh Mineral fibres obtain as follows:Mineral fibres is sequentially obtained 20 by after crushing and crossing the vibratory sieve of 20 mesh to 60 mesh Mesh is to 60 target minreal fibers;60 mesh to the rigid material of 80 mesh is obtained as follows:By mineral fibres sequentially by crushing With the rigid material that 60 mesh to 80 mesh are obtained after the vibratory sieve for crossing 60 mesh to 80 mesh;The rigid material of 80 mesh to 100 mesh is by following Method is obtained:Mineral fibres is sequentially obtained the rigidity of 80 mesh to 100 mesh by after crushing and crossing the vibratory sieve of 80 mesh to 100 mesh Material;100 mesh to the rigid material of 120 mesh is obtained as follows:By mineral fibres sequentially by crushing and crossing 100 mesh extremely The rigid material of 100 mesh to 120 mesh is obtained after the vibratory sieve of 120 mesh.
8. the molten complex material sealing agent of part theobromine according to claim 6 or 7, it is characterised in that mineral fibres is being crushed During, add 0.1% to 0.2% surfactant to it, surfactant be nonionic surface active agent or both sexes from Subtype surfactant;Or/and, rigid material adds 0.1% to 0.2% surfactant, surface to it in crushing process Activating agent is nonionic surface active agent or amphoteric ionic surfactant.
9. the preparation side of the molten complex material sealing agent of a kind of part theobromine according to claim 1 or 2 or 3 or 4 or 6 or 8 Method, it is characterised in that carry out as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh to 40 purposes by the desired amount of mesh number String, 10 mesh to 40 mesh synthetic fibers, the rigid material of 60 mesh to 80 mesh, 80 mesh to the rigid material of 100 mesh and 100 The molten complex material sealing agent of part theobromine is obtained after mesh to the rigid material mixing of 120 mesh.
10. a kind of part theobromine according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 molten complex material sealing agent Application method, it is characterised in that carry out as follows:Theobromine molten complex material sealing agent in part is added in drilling well base slurry And leak stopping slurry is obtained after being well mixed, at leak stopping stock pump to Underwell leakage layer, wherein, theobromine molten complex material in part is blocked up Mass percent of the leakage agent in leak stopping slurry is 3% to 5%.
CN201710079231.XA 2017-02-14 2017-02-14 Molten complex material sealing agent of part theobromine and preparation method thereof and application method Pending CN106893568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710079231.XA CN106893568A (en) 2017-02-14 2017-02-14 Molten complex material sealing agent of part theobromine and preparation method thereof and application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710079231.XA CN106893568A (en) 2017-02-14 2017-02-14 Molten complex material sealing agent of part theobromine and preparation method thereof and application method

Publications (1)

Publication Number Publication Date
CN106893568A true CN106893568A (en) 2017-06-27

Family

ID=59198581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710079231.XA Pending CN106893568A (en) 2017-02-14 2017-02-14 Molten complex material sealing agent of part theobromine and preparation method thereof and application method

Country Status (1)

Country Link
CN (1) CN106893568A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108865088A (en) * 2018-07-04 2018-11-23 西南石油大学 Diverting agent and preparation method thereof and with drilling fluid and its application in fracture-type reservoir plugging while drilling
CN112480885A (en) * 2020-12-09 2021-03-12 成都汉元君业油田技术有限公司 Bridging synergist for drilling fluid
CN112778983A (en) * 2020-12-18 2021-05-11 西南石油大学 While-drilling plugging agent, preparation method of while-drilling plugging agent and application of while-drilling plugging agent in water-based drilling fluid

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104087274A (en) * 2014-07-14 2014-10-08 中国石油集团渤海钻探工程有限公司 Multi-stage blocking pressure-bearing plugging agent
CN105086966A (en) * 2015-09-11 2015-11-25 中石化石油工程技术服务有限公司 Shallow-well high-polymer gel plugging agent and preparation method thereof
CN105733532A (en) * 2016-03-18 2016-07-06 新疆鹿鸣科技有限公司 Acid soluble mineral fiber medium-coarse bridging agent, bridging fluid and preparation method thereof
CN105733533A (en) * 2016-03-18 2016-07-06 新疆鹿鸣科技有限公司 Acid soluble mineral fiber fine bridging agent, bridging fluid and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104087274A (en) * 2014-07-14 2014-10-08 中国石油集团渤海钻探工程有限公司 Multi-stage blocking pressure-bearing plugging agent
CN105086966A (en) * 2015-09-11 2015-11-25 中石化石油工程技术服务有限公司 Shallow-well high-polymer gel plugging agent and preparation method thereof
CN105733532A (en) * 2016-03-18 2016-07-06 新疆鹿鸣科技有限公司 Acid soluble mineral fiber medium-coarse bridging agent, bridging fluid and preparation method thereof
CN105733533A (en) * 2016-03-18 2016-07-06 新疆鹿鸣科技有限公司 Acid soluble mineral fiber fine bridging agent, bridging fluid and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108865088A (en) * 2018-07-04 2018-11-23 西南石油大学 Diverting agent and preparation method thereof and with drilling fluid and its application in fracture-type reservoir plugging while drilling
CN112480885A (en) * 2020-12-09 2021-03-12 成都汉元君业油田技术有限公司 Bridging synergist for drilling fluid
CN112778983A (en) * 2020-12-18 2021-05-11 西南石油大学 While-drilling plugging agent, preparation method of while-drilling plugging agent and application of while-drilling plugging agent in water-based drilling fluid

Similar Documents

Publication Publication Date Title
CA1127074A (en) Treating wells to mitigate flow-after-cementing
EP2190942B1 (en) Methods of using colloidal silica based gels
US4074760A (en) Method for forming a consolidated gravel pack
US7378377B2 (en) Compositions for preventing coagulation of water-in-oil emulsion polymers in aqueous saline well treating fluids
WO2021196740A1 (en) Temporary plugging agent and preparation method therefor, and temporary plugging deflection fracturing method for high temperature reservoir
CN105199685B (en) Induced crack leakage-proof and plugging water-based drilling fluid
CN104087275B (en) A kind of high-temperature-resistant high-salt tiny gels granular profile control agent and its preparation method and application
CN102977870A (en) Plugging cement slurry and igneous rock fracture developing well plugging method
CN102587858B (en) Method for blocking water for fracture and hole type reservoir
US7588081B2 (en) Method of modifying permeability between injection and production wells
CN109265093A (en) Ultra-Low Density Cement Slurries are used in well cementation
CN106966648B (en) CO prevention2、H2S corrosion well cementation cement slurry
CN104946221A (en) Low-density low-damage kill fluid
CN106554765A (en) A kind of oil-well cement is without chlorine anti-channeling early strength agent and preparation method and application
CN106893568A (en) Molten complex material sealing agent of part theobromine and preparation method thereof and application method
CN106867488A (en) One kind physical crosslinking gel-like profile control and water plugging system and its application
US4081030A (en) Aqueous based slurry with chelating agent and method of forming a consolidated gravel pack
MX2015002838A (en) Cement compositions for cementing in confined locales and methods for use thereof.
CN106905938A (en) Molten inert material sealing agent of part theobromine and preparation method thereof and application method
CN106398660A (en) Pressure-bearing plugging agent for drilling fluid
CN105969327B (en) A kind of plugging material and leak stopping slurry for protecting low pressure fracture-type reservoir
CN110257027A (en) A kind of drilling-cementing-integrated working fluid and its application method improving second interface bonding quality
CN104987856B (en) Offshore drilling fluid pressurization sealing agent and its application process
WO2019095420A1 (en) Method for enlarging safety density window of well drilling borehole formation
CN103756656B (en) Static gelling leakage-stopping liquid for stopping malignant leakage

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170627

RJ01 Rejection of invention patent application after publication