CN104610954A - Formula and preparation method suitable for preparing fracturing fluid from continental facies shale gas well fracturing flow-back fluid treatment water - Google Patents
Formula and preparation method suitable for preparing fracturing fluid from continental facies shale gas well fracturing flow-back fluid treatment water Download PDFInfo
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- CN104610954A CN104610954A CN201510081423.5A CN201510081423A CN104610954A CN 104610954 A CN104610954 A CN 104610954A CN 201510081423 A CN201510081423 A CN 201510081423A CN 104610954 A CN104610954 A CN 104610954A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/66—Compositions based on water or polar solvents
- C09K8/68—Compositions based on water or polar solvents containing organic compounds
- C09K8/685—Compositions based on water or polar solvents containing organic compounds containing cross-linking agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/84—Compositions based on water or polar solvents
- C09K8/86—Compositions based on water or polar solvents containing organic compounds
- C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/887—Compositions based on water or polar solvents containing organic compounds macromolecular compounds containing cross-linking agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/26—Gel breakers other than bacteria or enzymes
Abstract
The invention discloses a formula and a preparation method suitable for preparing fracturing fluid from continental facies shale gas well fracturing flow-back fluid treatment water, belonging to the technical field of oilfield chemistry. The formula for preparing the fracturing fluid from the continental facies shale gas well fracturing flow-back fluid treatment water is provided aiming at the deficiencies existing in the prior art. The formula consists of base fluid and a cross-linking agent, wherein the cross-linking agent is an anti-temperature mineralization-degree-resistant cross-linking agent, and the formula comprises 0.4%-0.6% of cross-linking agent and the balance of base fluid; the base fluid consists of the following components in percentage by mass: 0.4%-0.45% percent of hydroxypropylguar gum, 0.3%-0.5% of gas well clean up additive, 1%-2% of stabilizer, 0.1%-0.15% of bactericide, 0.1%-0.2% of modifier, 0.03%-0.05% of antisludging agent, 0.6%-0.8% of gel breaker and the balance of the continental facies shale gas well fracturing flow-back fluid treatment water. The cyclic utilization of the continental facies shale gas well fracturing flow-back fluid treatment water is realized through the formula of the fracturing fluid, and the prepared fracturing fluid has good sand-carrying property.
Description
Technical field
The present invention relates to a kind of formula of applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid, belong to technical field of oilfield chemistry.
Background technology
Shale gas reservoir porosity, matrix permeability are extremely low, substantially without natural production capacity, and bury dark, reservoir pressure is high, must could realize the exploitation of its economical and effective by fracturing reform, therefore pressure break is the agent technology of shale gas exploitation.Fracturing liquid is the working fluid of pressing crack construction, plays transmission of pressure, fractured rock, extension crack and carries the effects such as propping agent.There is the fracturing liquid of 10 ~ 30% to return from stratum after pressure break terminates to eject, be referred to as fracturing outlet liquid.Shale gas well fracturing is because reservoir is fine and close, transformation volume is large, therefore pressure break discharge capacity is comparatively large, fracturing liquid is comparatively large by liquid total amount, and pressure break dosing water consumption is large, and conventional water blanket is side up to a hundred, terrestrial facies shale gas well water blanket then reaches all places on several thousand, therefore returns lifting rate and also just increases thereupon.And terrestrial facies shale gas fracturing outlet liquid cationic is based on calcium, magnesium ion, negatively charged ion is based on sulfate radical, salinity is high, if directly preparing fracturing fluid, found through experiments and there is following problem, first, the guanidine gum fracturing fluid formula that existing published and Yanchang Oilfield is using, due to its there is resistance to salinity, heat-resisting ability is poor, the problem that fracturing liquid cannot be cross-linked or crosslinked rear viscosity is low of preparation is there is during dosing, after shearing 1h in experiment, viscosity is all at below 50mPa.s, cannot meet the terrestrial facies shale reservoir fracturing construction needs of middle high temperature; Secondly, there is scale formation in direct preparing fracturing fluid, after fracturing liquid rubber-breaking, residue content rolls up, and can cause the blocking of reservoir pore space and sand packed fracture, reduces the flow conductivity of shale gas.
Current practices well is directly drained after the fracturing outlet liquid simple process by enormous amount, not only can cause water resource waste, and can cause severe contamination to water quality environment and soil in the North Shaanxi of serious water shortage, ecological environment frailty.
Summary of the invention
The object of the invention is, for the above deficiency existed, to provide a kind of and can utilize formula of terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid and preparation method thereof.
The invention provides a kind of formula of applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid, be made up of base fluid and linking agent, described linking agent is the temperature resistance linking agent of resistance to salinity, and massfraction is 0.4 ~ 0.6%, and surplus is base fluid;
Described base fluid is grouped into by the one-tenth of following massfraction: hydroxypropyl guar 0.4 ~ 0.45%, gas well cleanup additive 0.3 ~ 0.5%, clay stabilizer 1 ~ 2%, sterilant 0.1 ~ 0.15%, pH adjusting agent 0.1 ~ 0.2%, Scale inhibitors 0.03 ~ 0.05%, gel breaker 0.6 ~ 0.8%, surplus is terrestrial facies shale gas well fracturing outlet liquid process water, and described terrestrial facies shale gas well fracturing outlet liquid process water water quality is viscosity≤1.5 mPas at 20 DEG C, suspension content≤0.2 mgL
-1, oleaginousness≤3.0 mgL
-1.
The described temperature resistance linking agent of resistance to salinity is organic boron zirconium class linking agent.
Described gas well cleanup additive is made up of solvent and solute, described solute is one or more in fluorine carbon, alkyl polyglycoside, anion surfactant, described solvent is the mixture of Virahol and water or the mixture of ethanol and water, and the mass concentration scope of described Virahol or ethanol is 5 ~ 10%.
Described clay stabilizer is solid clay stabilizer.
Described solid clay stabilizer is the one in Repone K or ammonium chloride.
Described sterilant is one or more in glutaraldehyde, formaldehyde or tetrakis hydroxymetyl phosphonium sulfuric.
Described pH adjusting agent is a kind of in sodium hydroxide, sodium carbonate or sodium bicarbonate.
Described gel breaker is superoxide, is the one in ammonium persulphate, Sodium Persulfate, Potassium Persulphate, benzoyl peroxide or capsule breaker.
Described Scale inhibitors is one or more in disodium ethylene diamine tetraacetate, hydrolytic polymaleic anhydride, Amino Trimethylene Phosphonic Acid, ethylene diamine tetra methylene phosphonic acid or 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid.
The present invention also provides a kind of preparation method of above-mentioned applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid formula, comprises following two steps:
1. in terrestrial facies shale gas well fracturing outlet liquid process water, the hydroxypropyl guar that massfraction is respectively 0.4 ~ 0.45% is added successively while stirring, the clay stabilizer of 1 ~ 2%, the gas well cleanup additive of 0.3 ~ 0.5%, the sterilant of 0.1 ~ 0.15%, the pH adjusting agent of 0.1 ~ 0.2%, the Scale inhibitors of 0.03 ~ 0.05%, obtain original gelatin after stirring 5min, original gelatin leaves standstill 4h;
2. when pressing crack construction injects fracturing liquid original gelatin in well, add gel breaker, form base fluid, then add linking agent, the mass ratio of original gelatin and linking agent is 100:0.4 ~ 0.6.
The present invention has following beneficial effect:
This fracturing liquid can utilize terrestrial facies shale gas fracturing outlet liquid process water, solves the problem that terrestrial facies shale gas well fracturing dosing water consumption is large, has saved dosing water, achieve the recycle of water resources; The fracturing liquid of preparation can be cross-linked at 30 ~ 45s; At 80 DEG C, 170S after crosslinked
-1, shear after 1h, viscosity still can remain on more than 200mPa.s, has good to take grittiness energy; Fracturing liquid rubber-breaking is thorough, and after broken glue, broken adhesive capacity is 2.3mPa.s; Have the good row's of returning ability, breaking glue solution surface tension is 26.9mN/m, and interfacial tension is 0.9 mN/m; Residue is few, and residue content is 160.9mg/L; Leakoff coefficent is little, and 80 DEG C of leakoff coefficents are 8.7 × 10
-4m/min
1/2.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
The method of the invention is according to terrestrial facies shale gas fracturing outlet liquid process water constituent and the impact on fracturing liquid compatibleness thereof, viscosity≤1.5 mPas(20 DEG C), suspension content≤0.2 mgL a large amount of fracturing outlet liquids is being carried out " four step rule " advanced treatment of " oil removal desanding-oxidation-flocculating settling-membrane filtration ", terrestrial facies shale gas well fracturing outlet liquid process water water quality is reached:
-1, oleaginousness≤3.0 mgL
-1standard base on, adopt the linking agent that high temperature resistance resistance to salinity ability is stronger, add suitable pH adjusting agent, Reasonable adjustment is carried out to the pH value of fracturing fluid system, by studying the complex reaction ability of complex compound and calcium ions and magnesium ions, optimize complexing agent stronger with the complex ability of calcium ions and magnesium ions in pH value range in formula as Scale inhibitors, draw the formula of applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid of the present invention through experiment.Be below of the fracturing fluid concrete formula of the present invention:
Embodiment 1:
The formula of a kind of applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid of the present invention is formed by the component proportion of following mass percent: hydroxypropyl guar gum 0.4%, gas well cleanup additive 0.3%, Repone K 1%, sterilant: 0.1%, sodium carbonate 0.1%, Amino Trimethylene Phosphonic Acid 0.03%, organic boron zirconium class linking agent 0.4%, described organic boron zirconium class linking agent is produced by Dongying Jiang Yuan Chemical Co., Ltd., ammonium persulphate, 0.6%.Compound method: according to above proportioning, terrestrial facies shale gas well fracturing outlet liquid process water, hydroxypropyl guar gum, Repone K, gas well cleanup additive, sterilant, sodium carbonate, Amino Trimethylene Phosphonic Acid is added successively under the mechanical stirrer of routine stirs (rotating speed 5000r/min), stir 5 minutes, prepare fracturing liquid base fluid stand-by, after the swelling 4h of fracturing liquid base fluid, according to the ratio of 100:0.4, add organic boron zirconium class linking agent and stir formation fracturing fluid gel, as of the fracturing fluid broken glue effect observed by needs, the ammonium persulphate of 0.6% can be added before adding linking agent.
Embodiment 2:
The formula of a kind of applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid of the present invention is formed by the component proportion of following mass percent: hydroxypropyl guar gum 0.45%, gas well cleanup additive 0.4%, ammonium chloride 2%, sterilant 0.15%, sodium hydroxide 0.1%, disodium ethylene diamine tetraacetate 0.05%, organic boron zirconium class linking agent 0.4%, described organic boron zirconium class linking agent is produced by Dongying Jiang Yuan Chemical Co., Ltd., ammonium persulphate 0.6%.Compound method: according to above proportioning, terrestrial facies shale gas well fracturing outlet liquid process water, hydroxypropyl guar gum, ammonium chloride, gas well cleanup additive, sterilant, sodium hydroxide, disodium ethylene diamine tetraacetate is added successively under the mechanical stirrer of routine stirs (rotating speed 5000r/min), stir 5 minutes, prepare fracturing liquid base fluid stand-by; After the swelling 4h of fracturing liquid base fluid, according to the ratio of 100:0.6, add organic boron zirconium class linking agent and stir formation fracturing fluid gel, as of the fracturing fluid broken glue effect observed by needs, the benzoyl peroxide excessively of 0.8% can be added before adding linking agent.
Embodiment 3:
The formula of a kind of applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid of the present invention is formed by the component proportion of following mass percent: hydroxypropyl guar gum 0.4%, gas well cleanup additive 0.35%, ammonium chloride 2%, sterilant 0.1%, sodium bicarbonate 0.1%, hydrolytic polymaleic anhydride 0.04%, organic boron zirconium class linking agent 0.4%, described organic boron zirconium class linking agent is produced by Dongying Jiang Yuan Chemical Co., Ltd., ammonium persulphate capsule 2%.Compound method: according to above proportioning, terrestrial facies shale gas well fracturing outlet liquid process water, hydroxypropyl guar gum, ammonium chloride, gas well cleanup additive, sterilant, sodium bicarbonate, hydrolytic polymaleic anhydride is added successively under the mechanical stirrer of routine stirs (rotating speed 5000r/min), stir 5 minutes, prepare fracturing liquid base fluid stand-by; After the swelling 4h of fracturing liquid base fluid, according to the ratio of 100:0.5, add organic boron zirconium class linking agent and stir formation fracturing fluid gel, as of the fracturing fluid broken glue effect observed by needs, the ammonium persulphate capsule of 2% can be added before adding linking agent.
Embodiment 4:
The formula of a kind of applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid of the present invention is formed by the component proportion of following mass percent: hydroxypropyl guar gum 0.45%; Gas well cleanup additive 0.5%, Repone K 1.5%, sterilant 0.15%, sodium hydroxide 0.1%, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 0.05%, organic boron zirconium class linking agent 0.4%, described organic boron zirconium class linking agent is produced by Dongying Jiang Yuan Chemical Co., Ltd., Potassium Persulphate 0.6%.Compound method: according to above proportioning, terrestrial facies shale gas well fracturing outlet liquid process water, hydroxypropyl guar gum, Repone K, gas well cleanup additive, sterilant, sodium hydroxide, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid is added successively under the mechanical stirrer of routine stirs (rotating speed 5000r/min), stir 5 minutes, prepare fracturing liquid base fluid stand-by; After the swelling 4h of fracturing liquid base fluid, according to the ratio of 100:0.4, add organic boron zirconium class linking agent and stir formation fracturing fluid gel, as of the fracturing fluid broken glue effect observed by needs, the Potassium Persulphate of 0.6% can be added before adding linking agent.
Test the fracturing liquid formula that above-described embodiment 1 ~ 4 is prepared, the fracturing liquid of preparation can be cross-linked at 30 ~ 45s; At 80 DEG C, 170S after crosslinked
-1, shear after 1h, viscosity still can remain on more than 200mPa.s, has good to take grittiness energy; Fracturing liquid rubber-breaking is thorough, and after broken glue, broken adhesive capacity is 2.3mPa.s; Have the good row's of returning ability, breaking glue solution surface tension is 26.9mN/m, and interfacial tension is 0.9 mN/m; Residue is few, and residue content is 160.9mg/L; Leakoff coefficent is little, and 80 DEG C of leakoff coefficents are 8.7 × 10
-4m/min
1/2.
Above content is the further description done the present invention in conjunction with concrete embodiment, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a formula for applicable terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid, be made up of base fluid and linking agent, it is characterized in that: described linking agent is the temperature resistance linking agent of resistance to salinity, massfraction is 0.4 ~ 0.6%, and surplus is base fluid;
Described base fluid is grouped into by the one-tenth of following massfraction:
Hydroxypropyl guar 0.4 ~ 0.45%,
Gas well cleanup additive 0.3 ~ 0.5%,
Clay stabilizer 1 ~ 2%,
Sterilant 0.1 ~ 0.15%,
PH adjusting agent 0.1 ~ 0.2%,
Scale inhibitors 0.03 ~ 0.05%,
Gel breaker 0.6 ~ 0.8%,
Surplus is terrestrial facies shale gas well fracturing outlet liquid process water, and described terrestrial facies shale gas well fracturing outlet liquid process water water quality is viscosity≤1.5 mPas at 20 DEG C, suspension content≤0.2 mgL
-1, oleaginousness≤3.0 mgL
-1.
2. the formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid as claimed in claim 1, is characterized in that comprising: the described temperature resistance linking agent of resistance to salinity is organic boron zirconium class linking agent.
3. the formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid as claimed in claim 1, it is characterized in that: described gas well cleanup additive is made up of solvent and solute, described solute is one or more in fluorine carbon, alkyl polyglycoside, anion surfactant, and described solvent is the mixture of Virahol and water or the mixture of ethanol and water.
4. the formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid as claimed in claim 1, is characterized in that: described clay stabilizer is solid clay stabilizer.
5. the as claimed in claim 4 formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid, is characterized in that: described solid clay stabilizer is the one in Repone K or ammonium chloride.
6. the as claimed in claim 1 formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid, is characterized in that: described sterilant is one or more in glutaraldehyde, formaldehyde or tetrakis hydroxymetyl phosphonium sulfuric.
7. the formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid as claimed in claim 1, is characterized in that: described pH adjusting agent is a kind of in sodium hydroxide, sodium carbonate or sodium bicarbonate.
8. the formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid as claimed in claim 1, is characterized in that: described gel breaker is the one in ammonium persulphate, Sodium Persulfate, Potassium Persulphate, benzoyl peroxide or capsule breaker.
9. the as claimed in claim 1 formula being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid, is characterized in that: described Scale inhibitors is one or more in disodium ethylene diamine tetraacetate, hydrolytic polymaleic anhydride, Amino Trimethylene Phosphonic Acid, ethylene diamine tetra methylene phosphonic acid or 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid.
10. the preparation method being applicable to terrestrial facies shale gas well fracturing outlet liquid process water preparing fracturing fluid formula as claimed in claim 1, is characterized in that, comprise following two steps:
1. in terrestrial facies shale gas well fracturing outlet liquid process water, the hydroxypropyl guar that massfraction is respectively 0.4 ~ 0.45% is added successively while stirring, the clay stabilizer of 1 ~ 2%, the gas well cleanup additive of 0.3 ~ 0.5%, the sterilant of 0.1 ~ 0.15%, the pH adjusting agent of 0.1 ~ 0.2%, the Scale inhibitors of 0.03 ~ 0.05%, obtain original gelatin after stirring 5min, original gelatin leaves standstill 4h;
2. when pressing crack construction injects fracturing liquid original gelatin in well, add gel breaker, form base fluid, then add linking agent, the mass ratio of original gelatin and linking agent is 100:0.4 ~ 0.6.
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|---|---|---|---|---|
| CN105038757A (en) * | 2015-06-04 | 2015-11-11 | 中国石油化工股份有限公司 | Gel fracturing fluid prepared from oilfield sewage and preparation method thereof |
| CN105131932A (en) * | 2015-08-19 | 2015-12-09 | 昆山京昆油田化学科技开发公司 | Fracturing fluid prepared by utilizing fracturing flow-back fluid and preparation method thereof |
| CN105199705A (en) * | 2015-09-17 | 2015-12-30 | 昆山京昆油田化学科技开发公司 | Rapid viscosity-increasing fracturing thickening agent suitable for preparing flow-back liquid treatment water |
| CN105838346A (en) * | 2016-04-12 | 2016-08-10 | 三原弘迪森精细化工有限公司 | A method of preparing a natural plant gum crosslinked fracturing fluid by utilizing a fracturing and gel breaking return fluid |
| CN106433598A (en) * | 2016-09-05 | 2017-02-22 | 四川省威尔敦化工有限公司 | Method for preparing agent body A and agent body B of delayed crosslinker for plant gum fracturing fluid |
| CN106479472A (en) * | 2016-08-29 | 2017-03-08 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of fracturing fluid and preparation method thereof |
| CN106590609A (en) * | 2015-10-16 | 2017-04-26 | 中国石油化工股份有限公司 | Fracturing fluid and preparation method thereof |
| CN106928618A (en) * | 2015-12-30 | 2017-07-07 | 北京仁创科技集团有限公司 | Expanding material composition containing HPMA and the application from suspended prop and proppant and preparation method |
| CN107400506A (en) * | 2016-05-18 | 2017-11-28 | 中国石油天然气股份有限公司 | Fracturing fluid and preparation method thereof |
| CN107903887A (en) * | 2017-08-15 | 2018-04-13 | 陕西森瑞石油技术开发有限公司 | Excessive phase shale gas fracturing fluid in a kind of sea land and preparation method and application |
| CN107922825A (en) * | 2015-07-02 | 2018-04-17 | 索尔维美国有限公司 | Microorganism viscosity disrupting agent composition |
| CN108641695A (en) * | 2018-06-13 | 2018-10-12 | 中国石油工程建设有限公司 | A kind of shale gas field corrosion-retarding germicide |
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| CN109722235A (en) * | 2018-10-17 | 2019-05-07 | 中国石油天然气股份有限公司 | The guanidine gum fracturing fluid system and preparation method thereof prepared using heavy crude heat extraction water |
| CN109852365A (en) * | 2018-12-17 | 2019-06-07 | 中国石油天然气股份有限公司 | Prepare method, the guanidine gum fracturing fluid by this method preparation and its application of guanidine gum fracturing fluid |
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| CN105038757A (en) * | 2015-06-04 | 2015-11-11 | 中国石油化工股份有限公司 | Gel fracturing fluid prepared from oilfield sewage and preparation method thereof |
| CN107922825A (en) * | 2015-07-02 | 2018-04-17 | 索尔维美国有限公司 | Microorganism viscosity disrupting agent composition |
| US10836954B2 (en) | 2015-07-02 | 2020-11-17 | Solvay Usa Inc. | Microbial viscosity breaker compositions |
| CN105131932A (en) * | 2015-08-19 | 2015-12-09 | 昆山京昆油田化学科技开发公司 | Fracturing fluid prepared by utilizing fracturing flow-back fluid and preparation method thereof |
| CN105199705A (en) * | 2015-09-17 | 2015-12-30 | 昆山京昆油田化学科技开发公司 | Rapid viscosity-increasing fracturing thickening agent suitable for preparing flow-back liquid treatment water |
| CN106590609B (en) * | 2015-10-16 | 2019-11-15 | 中国石油化工股份有限公司 | A kind of fracturing fluid and preparation method thereof |
| CN106590609A (en) * | 2015-10-16 | 2017-04-26 | 中国石油化工股份有限公司 | Fracturing fluid and preparation method thereof |
| CN106928618A (en) * | 2015-12-30 | 2017-07-07 | 北京仁创科技集团有限公司 | Expanding material composition containing HPMA and the application from suspended prop and proppant and preparation method |
| CN105838346A (en) * | 2016-04-12 | 2016-08-10 | 三原弘迪森精细化工有限公司 | A method of preparing a natural plant gum crosslinked fracturing fluid by utilizing a fracturing and gel breaking return fluid |
| CN105838346B (en) * | 2016-04-12 | 2018-12-18 | 三原弘迪森精细化工有限公司 | Glue, which is broken, using pressure break returns the preparation method that natural plant gum crosslinked fracturing fluid is prepared in drain |
| CN107400506A (en) * | 2016-05-18 | 2017-11-28 | 中国石油天然气股份有限公司 | Fracturing fluid and preparation method thereof |
| CN106479472A (en) * | 2016-08-29 | 2017-03-08 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of fracturing fluid and preparation method thereof |
| CN106479472B (en) * | 2016-08-29 | 2019-06-18 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of fracturing fluid and preparation method thereof |
| CN106433598A (en) * | 2016-09-05 | 2017-02-22 | 四川省威尔敦化工有限公司 | Method for preparing agent body A and agent body B of delayed crosslinker for plant gum fracturing fluid |
| CN107903887A (en) * | 2017-08-15 | 2018-04-13 | 陕西森瑞石油技术开发有限公司 | Excessive phase shale gas fracturing fluid in a kind of sea land and preparation method and application |
| CN108690598A (en) * | 2018-04-27 | 2018-10-23 | 延长油田股份有限公司 | A kind of shale gas water blanket base fracturing fluid and preparation method thereof |
| CN108641695B (en) * | 2018-06-13 | 2020-07-07 | 中国石油工程建设有限公司 | Corrosion inhibition bactericide for shale gas field |
| CN108641695A (en) * | 2018-06-13 | 2018-10-12 | 中国石油工程建设有限公司 | A kind of shale gas field corrosion-retarding germicide |
| CN109722235A (en) * | 2018-10-17 | 2019-05-07 | 中国石油天然气股份有限公司 | The guanidine gum fracturing fluid system and preparation method thereof prepared using heavy crude heat extraction water |
| CN109722235B (en) * | 2018-10-17 | 2021-09-28 | 中国石油天然气股份有限公司 | Guanidine gum fracturing fluid system prepared from thickened oil hot water and preparation method thereof |
| CN109852365A (en) * | 2018-12-17 | 2019-06-07 | 中国石油天然气股份有限公司 | Prepare method, the guanidine gum fracturing fluid by this method preparation and its application of guanidine gum fracturing fluid |
| CN111944509A (en) * | 2020-08-26 | 2020-11-17 | 肯特催化材料股份有限公司 | Anti-swelling agent for shale gas fracturing |
| CN111944509B (en) * | 2020-08-26 | 2022-05-03 | 肯特催化材料股份有限公司 | Anti-swelling agent for shale gas fracturing |
| CN113029846A (en) * | 2021-02-05 | 2021-06-25 | 中海油能源发展股份有限公司 | Fracturing fluid flowback performance evaluation method based on formation wettability |
| CN113563862A (en) * | 2021-08-16 | 2021-10-29 | 三桶油环保科技(宜兴)有限公司 | Method for preparing fracturing fluid by using fracturing flowback fluid |
| CN114015429A (en) * | 2021-10-29 | 2022-02-08 | 西安石油大学 | Method for preparing water-based fracturing fluid by using water-based fracturing flow-back fluid |
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Application publication date: 20150513 |