CN116083070A - Low-temperature gel fracturing fluid and preparation method thereof - Google Patents
Low-temperature gel fracturing fluid and preparation method thereof Download PDFInfo
- Publication number
- CN116083070A CN116083070A CN202310156283.8A CN202310156283A CN116083070A CN 116083070 A CN116083070 A CN 116083070A CN 202310156283 A CN202310156283 A CN 202310156283A CN 116083070 A CN116083070 A CN 116083070A
- Authority
- CN
- China
- Prior art keywords
- gel
- percent
- fracturing fluid
- low
- agent
- 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
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 239000004927 clay Substances 0.000 claims abstract description 15
- 239000003381 stabilizer Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 10
- 230000000996 additive effect Effects 0.000 claims abstract description 10
- JDXXTKLHHZMVIO-UHFFFAOYSA-N 2-(3-hydroxypropyl)guanidine Chemical compound NC(=N)NCCCO JDXXTKLHHZMVIO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 7
- 239000000230 xanthan gum Substances 0.000 claims abstract description 7
- 229940082509 xanthan gum Drugs 0.000 claims abstract description 7
- 235000010493 xanthan gum Nutrition 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 10
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical group [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical group [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 229940103272 aluminum potassium sulfate Drugs 0.000 claims description 8
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 claims description 8
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 claims description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 5
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical group [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 4
- 239000001103 potassium chloride Substances 0.000 claims description 4
- 235000011164 potassium chloride Nutrition 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- XJWSAJYUBXQQDR-UHFFFAOYSA-M dodecyltrimethylammonium bromide Chemical compound [Br-].CCCCCCCCCCCC[N+](C)(C)C XJWSAJYUBXQQDR-UHFFFAOYSA-M 0.000 claims description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000000605 extraction Methods 0.000 abstract description 2
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 229920001938 Vegetable gum Polymers 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003349 gelling agent Substances 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- C09K8/70—Compositions for forming crevices or fractures characterised by their form or by the form of their components, e.g. foams
-
- 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
-
- 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
-
- 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
- C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
-
- 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
- C09K2208/12—Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating
-
- 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 low-temperature gel fracturing fluid and a preparation method thereof, and belongs to the technical field of oil field fracturing and oil extraction. The low-temperature gel fracturing fluid comprises the following raw materials: 0.3 to 0.45 percent of gel forming agent, 0.2 to 0.4 percent of clay stabilizer, 0.3 to 0.6 percent of cleanup additive, 0.01 to 0.12 percent of pH regulator, 0.15 to 0.2 percent of composite cross-linking agent, 0.15 to 0.3 percent of gel breaker, 0.05 to 0.3 percent of gel breaking auxiliary agent and the balance of water; the gel forming agent is composed of hydroxypropyl guanidine gum and xanthan gum according to the mass ratio of 1-2:1. The low-temperature gel fracturing fluid obtained by the invention is sheared for 60min at 40 ℃, the viscosity can be kept above 80 mPas, the gel breaking time is about 4 hours, the viscosity after gel breaking is between 3.2 and 3.7 mPas, and the fracturing fluid can realize rapid gel breaking under the low-temperature condition and has very important application value.
Description
Technical Field
The invention belongs to the technical field of oil field fracturing and oil extraction, and particularly relates to a low-temperature gel fracturing fluid and a preparation method thereof.
Background
At present, the gel fracturing fluid mostly uses natural polysaccharide vegetable gum as a gelling agent, but the natural polysaccharide vegetable gum contains 6-8% of water insoluble matters, so that the fracturing fluid is not thoroughly broken, more residues are reserved in the stratum, the stratum is damaged, and the transformation effect of the reservoir is seriously affected. Timely and thoroughly breaking gel flowback of the fracturing fluid is a key link for success or failure of the fracturing process. In addition, most of the existing fracturing fluid researches are concentrated in the high-temperature field, the low-temperature environment is less researched, and the problems of long gel breaking time, incomplete gel breaking, long flowback time, incomplete flowback and the like exist when the conventional fracturing fluid gel breaking technology is adopted for the low-temperature (25-50 ℃) and shallow oil-gas well, so that the damage to stratum is larger, and the problem of solving the gel breaking problem of the low-temperature oil-gas fracturing fluid is a technical problem to be solved urgently at present.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide the low-temperature gel fracturing fluid and the preparation method thereof, and the low-temperature gel fracturing fluid has good viscosity performance, is less harmful to stratum and can realize rapid gel breaking under low-temperature conditions.
In order to achieve the above object, the present invention provides the following solutions:
the invention aims at providing a low-temperature gel fracturing fluid, which comprises the following raw materials in percentage by mass: 0.3 to 0.45 percent of gel forming agent, 0.2 to 0.4 percent of clay stabilizer, 0.3 to 0.6 percent of cleanup additive, 0.01 to 0.12 percent of pH regulator, 0.15 to 0.2 percent of composite cross-linking agent, 0.15 to 0.3 percent of gel breaker, 0.05 to 0.3 percent of gel breaking auxiliary agent and the balance of water;
the gel forming agent is composed of hydroxypropyl guanidine gum and xanthan gum according to the mass ratio of 1-2:1.
Further, the clay stabilizer is potassium chloride or ammonium chloride; the discharge assisting agent is hexadecyl trimethyl ammonium bromide or dodecyl trimethyl ammonium bromide; the pH regulator is sodium carbonate or potassium carbonate.
Further, the composite cross-linking agent is a mixture of aluminum potassium sulfate and zirconium tetrachloride, and the mass ratio of the aluminum potassium sulfate to the zirconium tetrachloride is 2:1.
Further, the breaker is ammonium persulfate; the gel breaking auxiliary agent is sodium sulfite.
The second purpose of the invention is to provide a preparation method of the low-temperature gel fracturing fluid, which comprises the following steps:
(1) Placing the gel forming agent into water, uniformly mixing, then adding the clay stabilizer, the drainage aid and the pH regulator, and stirring to obtain solution A;
(2) Mixing and stirring the composite cross-linking agent, the gel breaker and the gel breaking auxiliary agent to obtain a solution B;
(3) When in use, the solution A and the solution B are mixed to obtain the low-temperature gel fracturing fluid.
Further, the stirring rotating speed in the step (1) is 500-600 r/min, and the stirring time is 5-10 min.
Further, the stirring rotating speed in the step (2) is 200-300 r/min, and the stirring time is 3-5 min.
The invention further aims to provide an application of the low-temperature gel fracturing fluid in the field of petroleum exploitation.
The invention has the beneficial effects that:
the hydroxypropyl guanidine gum and the xanthan gum are used as the gelling agents, and the used clay stabilizer can be effectively adsorbed on the clay surface to prevent the water-sensitive minerals from hydration expansion and dispersion migration to cause damage to oil and gas layers; the cleanup additive can help the work residual liquid in the fracturing operation process to flow back from the stratum; the pH regulator can regulate the freezing time and breaking time of the gel fracturing fluid; the composite cross-linking agent is aluminum potassium sulfate and zirconium tetrachloride, has the function of delaying cross-linking, and avoids the phenomenon of precipitation caused by too fast cross-linking; the gel breaker and the gel breaking auxiliary agent can perform exothermic reaction, have certain delayed release characteristic, and release free oxygen at low temperature by triggering peroxide so as to break the structure of gel fracturing fluid, degrade macromolecules and excite the activity of the gel breaker to break gel rapidly at low temperature.
The low-temperature gel fracturing fluid prepared by the materials is sheared for 60min at 40 ℃, the viscosity can be kept above 80 mPas, the gel breaking time is about 4 hours, the viscosity after gel breaking is between 3.2 and 3.7 mPas, and the low-temperature gel fracturing fluid has the characteristic of small damage to stratum, can realize rapid gel breaking under the low-temperature condition, and has very important application value.
Detailed Description
The present invention will be described in further detail with reference to examples for better understanding of the technical scheme of the present invention to those skilled in the art.
Example 1
A low-temperature gel fracturing fluid comprises the following raw materials: 0.4% of a gel forming agent, 0.3% of a clay stabilizer (potassium chloride), 0.5% of a cleanup additive (hexadecyl trimethyl ammonium bromide), 0.05% of a pH regulator (sodium carbonate), 0.18% of a composite cross-linking agent, 0.2% of a gel breaker (ammonium persulfate), 0.15% of a gel breaking auxiliary (sodium sulfite) and the balance of water;
the gel forming agent is composed of hydroxypropyl guanidine gum and xanthan gum according to the mass ratio of 1.5:1;
the composite cross-linking agent is composed of aluminum potassium sulfate and zirconium tetrachloride according to the mass ratio of 2:1.
The preparation method comprises the following specific steps:
(1) Placing the gel forming agent into water, uniformly mixing, then adding the clay stabilizer, the cleanup additive and the pH regulator, and stirring at a rotation speed of 500r/min for 8min to obtain solution A;
(2) Mixing and stirring the composite cross-linking agent, the gel breaker and the gel breaking auxiliary agent, wherein the stirring speed is 200r/min, and the stirring time is 4min, so as to obtain liquid B;
(3) When in use, the solution A and the solution B are mixed to obtain the low-temperature gel fracturing fluid.
Example 2
A low-temperature gel fracturing fluid comprises the following raw materials: 0.3% of a gel forming agent, 0.2% of a clay stabilizer (ammonium chloride), 0.3% of a cleanup additive (dodecyl trimethyl ammonium bromide), 0.01% of a pH regulator (potassium carbonate), 0.15% of a composite cross-linking agent, 0.15% of a gel breaker (ammonium persulfate), 0.05% of a gel breaking auxiliary (sodium sulfite) and the balance of water;
the gel forming agent is composed of hydroxypropyl guanidine gum and xanthan gum according to the mass ratio of 1:1;
the composite cross-linking agent is composed of aluminum potassium sulfate and zirconium tetrachloride according to the mass ratio of 2:1.
The preparation method comprises the following specific steps:
(1) Placing the gel forming agent into water, uniformly mixing, then adding the clay stabilizer, the cleanup additive and the pH regulator, and stirring at a rotation speed of 500r/min for 5min to obtain solution A;
(2) Mixing and stirring the composite cross-linking agent, the gel breaker and the gel breaking auxiliary agent, wherein the stirring speed is 200r/min, and the stirring time is 3min, so as to obtain liquid B;
(3) When in use, the solution A and the solution B are mixed to obtain the low-temperature gel fracturing fluid.
Example 3
A low-temperature gel fracturing fluid comprises the following raw materials: 0.45% of a gel forming agent, 0.4% of a clay stabilizer (potassium chloride), 0.6% of a cleanup additive (cetyl trimethyl ammonium bromide), 0.12% of a pH regulator (sodium carbonate), 0.2% of a composite cross-linking agent, 0.3% of a gel breaker (ammonium persulfate), 0.3% of a gel breaking auxiliary (sodium sulfite) and the balance of water;
the gel forming agent is composed of hydroxypropyl guanidine gum and xanthan gum according to the mass ratio of 2:1;
the composite cross-linking agent is composed of aluminum potassium sulfate and zirconium tetrachloride according to the mass ratio of 2:1.
The preparation method comprises the following specific steps:
(1) Placing the gel forming agent into water, uniformly mixing, then adding the clay stabilizer, the cleanup additive and the pH regulator, and stirring at the rotation speed of 600r/min for 10min to obtain solution A;
(2) Mixing and stirring the composite cross-linking agent, the gel breaker and the gel breaking auxiliary agent, wherein the stirring speed is 300r/min, and the stirring time is 5min, so as to obtain liquid B;
(3) When in use, the solution A and the solution B are mixed to obtain the low-temperature gel fracturing fluid.
Performance measurements were performed on the low temperature gel fracturing fluids of all examples at 40 ℃ and the experimental results are summarized in table 1:
TABLE 1
As shown in Table 1, the low-temperature gel fracturing fluid obtained by the invention is sheared for 60min at 40 ℃, the viscosity can be kept above 80 mPa.s, the gel breaking time is about 4 hours, the viscosity after gel breaking is between 3.2 and 3.7 mPa.s, the fracturing fluid has the characteristic of small damage to stratum, the fracturing fluid can realize rapid gel breaking under the low-temperature condition, and the fracturing fluid has very important application value.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (8)
1. The low-temperature gel fracturing fluid is characterized by comprising the following raw materials in percentage by mass: 0.3 to 0.45 percent of gel forming agent, 0.2 to 0.4 percent of clay stabilizer, 0.3 to 0.6 percent of cleanup additive, 0.01 to 0.12 percent of pH regulator, 0.15 to 0.2 percent of composite cross-linking agent, 0.15 to 0.3 percent of gel breaker, 0.05 to 0.3 percent of gel breaking auxiliary agent and the balance of water;
the gel forming agent is composed of hydroxypropyl guanidine gum and xanthan gum according to the mass ratio of 1-2:1.
2. The low temperature gel fracturing fluid of claim 1, wherein the clay stabilizer is potassium chloride or ammonium chloride; the discharge assisting agent is hexadecyl trimethyl ammonium bromide or dodecyl trimethyl ammonium bromide; the pH regulator is sodium carbonate or potassium carbonate.
3. The low-temperature gel fracturing fluid according to claim 1, wherein the compound cross-linking agent is a mixture of aluminum potassium sulfate and zirconium tetrachloride, and the mass ratio of the aluminum potassium sulfate to the zirconium tetrachloride is 2:1.
4. The low temperature gel fracturing fluid of claim 1, wherein said breaker is ammonium persulfate; the gel breaking auxiliary agent is sodium sulfite.
5. A method for preparing the low-temperature gel fracturing fluid according to any one of claims 1 to 4, comprising the following steps:
(1) Placing the gel forming agent into water, uniformly mixing, then adding the clay stabilizer, the drainage aid and the pH regulator, and stirring to obtain solution A;
(2) Mixing and stirring the composite cross-linking agent, the gel breaker and the gel breaking auxiliary agent to obtain a solution B;
(3) When in use, the solution A and the solution B are mixed to obtain the low-temperature gel fracturing fluid.
6. The method according to claim 5, wherein the stirring in the step (1) is carried out at a rotational speed of 500 to 600r/min for 5 to 10min.
7. The method according to claim 5, wherein the stirring in the step (2) is performed at a rotational speed of 200 to 300r/min for 3 to 5min.
8. Use of the low temperature gel fracturing fluid according to any one of claims 1 to 4 in the field of oil exploitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310156283.8A CN116083070A (en) | 2023-02-23 | 2023-02-23 | Low-temperature gel fracturing fluid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310156283.8A CN116083070A (en) | 2023-02-23 | 2023-02-23 | Low-temperature gel fracturing fluid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116083070A true CN116083070A (en) | 2023-05-09 |
Family
ID=86212028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310156283.8A Pending CN116083070A (en) | 2023-02-23 | 2023-02-23 | Low-temperature gel fracturing fluid and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116083070A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150967A (en) * | 1995-11-17 | 1997-06-04 | 宫立武 | Preparation method of oil well fracturing fluids low-temp. glue breaking agent |
| CN102796507A (en) * | 2012-08-29 | 2012-11-28 | 北京世纪中星能源技术有限公司 | Xanthan gum fracturing fluid, and preparation method and application thereof |
| CN103666437A (en) * | 2012-09-18 | 2014-03-26 | 中国石油天然气股份有限公司 | Fracturing fluid |
| CN107722143A (en) * | 2017-11-02 | 2018-02-23 | 山东广浦生物科技有限公司 | A kind of preparation method and fracturing fluid system of alcohol ether modified guar |
| CN112322271A (en) * | 2020-11-10 | 2021-02-05 | 中石化石油工程技术服务有限公司 | Low-temperature gel breaking activator and using method thereof |
-
2023
- 2023-02-23 CN CN202310156283.8A patent/CN116083070A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150967A (en) * | 1995-11-17 | 1997-06-04 | 宫立武 | Preparation method of oil well fracturing fluids low-temp. glue breaking agent |
| CN102796507A (en) * | 2012-08-29 | 2012-11-28 | 北京世纪中星能源技术有限公司 | Xanthan gum fracturing fluid, and preparation method and application thereof |
| CN103666437A (en) * | 2012-09-18 | 2014-03-26 | 中国石油天然气股份有限公司 | Fracturing fluid |
| CN107722143A (en) * | 2017-11-02 | 2018-02-23 | 山东广浦生物科技有限公司 | A kind of preparation method and fracturing fluid system of alcohol ether modified guar |
| CN112322271A (en) * | 2020-11-10 | 2021-02-05 | 中石化石油工程技术服务有限公司 | Low-temperature gel breaking activator and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4428432A (en) | Method for stimulating siliceous subterranean formations | |
| EP0738824B1 (en) | Delayed borate crosslinked fracturing fluid having increased temperature range | |
| US5217632A (en) | Process for preparation and composition of stable aqueous solutions of boron zirconium chelates for high temperature frac fluids | |
| US4464270A (en) | Method and compositions for fracturing subterranean formations | |
| US5658861A (en) | Delayed borate crosslinked fracturing fluid having increased temperature range | |
| CN108300439B (en) | Water-soluble temporary plugging agent for fracturing temporary plugging steering of oil and gas well and preparation method thereof | |
| CN111793485B (en) | Water shutoff agent and preparation method and application thereof | |
| CA2631000C (en) | Apparatus, compositions, and methods of breaking fracturing fluids | |
| CN103865503B (en) | High temperature resistant inorganic granulated gel compounds double-liquid seal blocking agent and method for blocking thereof | |
| CN111944511A (en) | Self-heating gas-generating foam fracturing fluid and preparation method thereof | |
| CN103525393B (en) | A kind of Instant gelling agent for acid fluid and preparation method thereof and application | |
| WO2004106698A1 (en) | Methods and compositions for breaking viscosified fluids | |
| CN112322271A (en) | Low-temperature gel breaking activator and using method thereof | |
| CN114940895A (en) | Clean high-performance carbon dioxide foam fracturing fluid and preparation method thereof | |
| CN105238372A (en) | High-molecular gel plugging agent and preparation method thereof | |
| CN116083070A (en) | Low-temperature gel fracturing fluid and preparation method thereof | |
| CN113355078A (en) | High-temperature-resistant potassium formate weighted fracturing fluid, and preparation method and application thereof | |
| CN104927005B (en) | A kind of alkaline-resisting profile control agent of pre-crosslinked gel volume expansion grain and preparation method thereof and purposes | |
| CN111594124A (en) | Shallow tight oil reservoir imbibition fracturing method, fracturing system for shallow tight oil reservoir and discharge-free imbibition fracturing fluid | |
| CN103952128A (en) | Weak gel solid-free water-based drilling fluid applicable to large displacement wells and horizontal wells | |
| CN108690064A (en) | A kind of preparation method of shale gas fracturing fluid ambient cross-linking aluminum crosslinker | |
| CN103183779A (en) | Preparation method for multi-element polymerized gel | |
| CN102757777B (en) | Inhibition water locking type high temperature resistant fracturing fluid for tight gas reservoir fracturing | |
| CN103965859A (en) | Oilwell gemini surfactant fracturing fluid and preparation method thereof | |
| CN108913115A (en) | A kind of Low Damage composite fracturing fluid and application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |