CN110423602A - A kind of superhigh temperature resistant polymer fracturing fluid system - Google Patents
A kind of superhigh temperature resistant polymer fracturing fluid system Download PDFInfo
- Publication number
- CN110423602A CN110423602A CN201910613296.7A CN201910613296A CN110423602A CN 110423602 A CN110423602 A CN 110423602A CN 201910613296 A CN201910613296 A CN 201910613296A CN 110423602 A CN110423602 A CN 110423602A
- Authority
- CN
- China
- Prior art keywords
- fracturing fluid
- agent
- fluid system
- temperature resistant
- polymer
- 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
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
- C09K8/66—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
- C09K8/62—Compositions for forming crevices or fractures
- C09K8/72—Eroding chemicals, e.g. acids
- C09K8/725—Compositions containing polymers
-
- 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
- C09K8/72—Eroding chemicals, e.g. acids
- C09K8/74—Eroding chemicals, e.g. acids combined with additives added for specific purposes
-
- 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
- C09K8/882—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
Abstract
The invention discloses a kind of fracturing fluid systems of resistance to 245 DEG C of high temperature, including following mass percent ratio: polymer thickening agent 0.4wt%~0.7wt%, metal crosslinking agent 0.4wt%~1wt%, high-temperature stabilizer 0.2wt%~1wt%, pH adjusting agent 0.5wt%~0.8wt%, surplus are water.Polymer thickening agent is by acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethylacrylamide, acrylic acid, n-vinyl pyrrolidone are (50~65) by weight: (15~30): (15~30): (0.1~2): (0.1~1) passes through five yuan of polymer made of polymerisation in solution, 10 DEG C~30 DEG C of polymerization temperature, 4~10h of polymerization time.Using fracturing fluid of the invention, the technical issues of traditional fracturing fluid decomposes at high temperature and influences performance can be effectively solved.
Description
Technical field
The present invention relates to a kind of fracturing fluid systems of superhigh temperature resistant, and in particular to a kind of polymer thickening agent of superhigh temperature resistant
Fracturing fluid system.Belong to oil-gas field development technical field.
Background technique
China's oil resource reserve is abundant, wherein compact sandstone gas, coal bed gas, the hyposmosis such as shale gas, extra-low permeability stone
Oilreserves are up to 66%, and resource exploitation difficulty is big, in recent years the large-scale development along with conventional oil gas reservoir and consumption, hyposmosis
Deep layer high temperature unconventional petroleum resources urgently develop and use.New technology high-efficiency mining low permeability reservoir petroleum resources are researched and developed, to me
The Significance of Sustainable Development of state is great.According to reservoir geology situation, hydraulic fracturing technology is to be widely used in the hypotonic hypotonic oil of spy
One of oil/gas well stimulation, important technical of water injection well stimulation.Wherein water-base gel fracturing fluid by the low frictional resistance of its high viscosity with
And the advantages that hanging grittiness energy by force, it is widely used among each major oil and gas field of the country, China.Water-base gel fracturing fluid and make
It is not exclusively crosslinked with crosslinking agent with the thickening agent high molecular polymer for being dissolved in water, makes its script that there is the height of linear structure
Polymers becomes a kind of macromolecule water frozen glue material that linear and reticular structure coexists.Wherein, thickening agent is as aqueous gel pressure break
The main additive of liquid plays the role of improving fracturing fluid viscosity, reduces fracturing fluid leak, suspension and carry proppant.At present
The general fracturing fluid formula in the world is based on plant gum fracturing fluid or polymer fracturing fluid.Guar gum, konjac glucomannan, starch, cellulose etc.
Natural plant due to it is cheap be easy to get, tackifying is good, is easy to the advantages that being crosslinked is used as conventional compression fracture thickening agent material always
Large-scale use.But the problems such as that there are water-insolubles is more for it, temperature tolerance is poor, broken glue is not thorough.With natural plant phase
Than artificial synthesized high molecular polymer has many advantages, such as that temperature tolerance is strong, viscosity is high, frictional resistance is small, prop-carrying capacity is strong.With shallow-layer
The large-scale development of petroleum vapour resource, oil-gas exploration and development develop in depth, and ultradeep well ratio rises year by year, fracturing reform
The formation temperature faced is higher and higher.The high temperature of Xinjiang region Tarim Oilfield Partial Block and Kelamayi Partial Block
Well formation temperature is up to 200 DEG C or more, is focused mostly at present with the research of thickening agent heat resistance at 200 DEG C or more in relation to pressure break,
The high temperature resistant fracturing fluid system that exploitation is still able to maintain enough prop-carrying capacities in 220 DEG C even 240 DEG C or more of reservoir has become
For the key of current stimulation technology.
Summary of the invention
For the above-mentioned prior art, the present invention provides a kind of superhigh temperature resistant polymer fracturing fluid formula system, to solve to pass
System fracturing fluid is easy the technical issues of decomposing and influencing performance at high temperature.
The present invention is realized by technical solution once:
A kind of superhigh temperature resistant polymer fracturing fluid system, which is characterized in that the polymer fracturing fluid system include with
The component of lower mass percent: polymer thickening agent 0.4wt%~0.7wt%, metal crosslinking agent 0.4wt%~1wt% are high
Warm stabilizer 0.2wt%~1wt%, pH adjusting agent 0.5wt%~0.8wt%, surplus are water；
Wherein, polymer thickening agent is by acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethyl propylene
Acrylamide, acrylic acid, n-vinyl pyrrolidone are (50~65) by weight: (15~30): (15~30): and (0.1~2):
Five yuan of polymer thickening agents that (0.1~1) is polymerized by polymerisation in solution mode, 10 DEG C~30 DEG C of polymerization temperature, when polymerization
Between 4~10h, total monomer quality concentration 30%-40%；Initiator is ammonium persulfate and sodium hydrogensulfite.
Further, the high-temperature stabilizer is selected from sodium thiosulfate, triethanolamine, ethylenediamine tetra-acetic acid, divinyl
One or more of pentaacetic acid, o-phenylenediamine or methanol, ethyl alcohol, isopropanol.
Further, the metal crosslinking agent is at least one of organic zirconium crosslinker or organic aluminum crosslinker.
Further, the pH adjusting agent is acetic acid.
The polymer fracturing fluid system is mixed by each component.
The beneficial effects of the present invention are:
1. the preparation method of polymer thickening agent is easy to operate, low in cost, have a vast market foreground.
2. polymer fracturing fluid of the invention is in 100s-1Highest processing temperature under lasting shearing is up to 245 DEG C, in high temperature
Under can also keep its performance, be a kind of ideal superhigh temperature resistant fracturing fluid.
3. hydrogen bond action, the effect of electrostatic bridge, association inside system etc. can be by breaking at high temperature for traditional fracturing fluid
Bad, performance is severely impacted.Fracturing fluid polymer thickening agent of the invention possesses big pendant group resistant to high temperatures, resists
Warm anti-shear ability is strong, and repeatedly crosslinking improves reservation viscosity to special group collocation crosslinking agent at high temperature, maintains system
Imitate stable outstanding sand crush properties.
Detailed description of the invention
Fig. 1 is that superhigh temperature resistant fracturing liquid ties up to 100s-1, apparent viscosity versus time curve at 240 DEG C；
Fig. 2 is that superhigh temperature resistant fracturing liquid ties up to 100s-1, apparent viscosity versus time curve at 245 DEG C；
Fig. 3 is not increase temperature the superhigh temperature resistant fracturing liquid of stabilizer to tie up to 100s-1, apparent viscosity at 240 DEG C at any time
Between change curve.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawings and examples:
Embodiment one:
The polymer thickening agent that the present embodiment uses is by acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, N, N-
Dimethylacrylamide, acrylic acid, n-vinyl pyrrolidone are 60:20:20:0.2:0.1 poly- in 15 DEG C of initiations by weight
It closes, obtains copolymer after polymerizeing 8h, then copolymer is shredded, polymer thickening agent is configured to the solution of 0.6wt%, and
PH adjusting agent 0.5wt% is added, temperature stability agent 0.8wt%, metal crosslinking agent 1wt% obtain fracturing fluid after being sufficiently stirred.
In 100s-1, test superhigh temperature resistant fracturing fluid system apparent viscosity versus time curve at 240 DEG C, such as Fig. 1 institute
Show.From Fig. 1 it can be seen that superhigh temperature resistant fracturing fluid apparent viscosity sharply declines, but also has multistage viscosity to mention after temperature increases
It rises, after reaching 240 DEG C, viscosity stabilization is maintained at 100mPas or more.
Embodiment two:
The thickening agent that the present embodiment uses is by acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethyl
Acrylamide, acrylic acid, n-vinyl pyrrolidone are that 60:20:20:0.2:0.1 polymerize in 15 DEG C of initiations by weight, are gathered
Copolymer is obtained after closing 8h, then copolymer is shredded, polymer thickening agent is configured to the solution of 0.6wt%, and pH is added
Regulator 0.5wt%, temperature stability agent 0.8wt%, metal crosslinking agent 1wt% obtain fracturing fluid after being sufficiently stirred.
In 100s-1, test superhigh temperature resistant fracturing fluid system apparent viscosity versus time curve at 245 DEG C, such as Fig. 2 institute
Show.From Fig. 2 it can be seen that superhigh temperature resistant fracturing fluid apparent viscosity sharply declines, but also has multistage viscosity to mention after temperature increases
It rises, after reaching 245 DEG C, viscosity stabilization is maintained at 100mPas or more.
Embodiment three:
The thickening agent that the present embodiment uses is by acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethyl
Acrylamide, acrylic acid, n-vinyl pyrrolidone are that 60:20:20:0.2:0.1 polymerize in 15 DEG C of initiations by weight, are gathered
Copolymer is obtained after closing 8h, then copolymer is shredded, polymer thickening agent is configured to the solution of 0.6wt%, and pH is added
Regulator 0.5wt%, metal crosslinking agent 1wt% obtain fracturing fluid after being sufficiently stirred.
In 100s-1, test superhigh temperature resistant fracturing fluid system apparent viscosity versus time curve at 240 DEG C, such as Fig. 3 institute
Show.From Fig. 3 it can be seen that superhigh temperature resistant fracturing fluid apparent viscosity sharply declines, but also has multistage viscosity to mention after temperature increases
It rises, after reaching 240 DEG C, viscosity stabilization is maintained at 50mPas or more.
Although being described in detail to a specific embodiment of the invention, the protection to this patent should not be construed as
The restriction of range.In range described by claims, those skilled in the art can make without creative work
Various modifications and deformation still belong to the protection scope of this patent.
Claims (4)
1. a kind of superhigh temperature resistant polymer fracturing fluid system, which is characterized in that the polymer fracturing fluid system includes following
The component of mass percent: polymer thickening agent 0.4wt%~0.7wt%, metal crosslinking agent 0.4wt%~1wt%, high temperature are steady
Determine agent 0.2wt%~1wt%, pH adjusting agent 0.5wt%~0.8wt%, surplus is water；
Wherein, polymer thickening agent is by acrylamide, 2- acrylamide-2-methylpro panesulfonic acid, N, N- dimethyl allene acyl
Amine, acrylic acid, n-vinyl pyrrolidone are (50~65) by weight: (15~30): (15~30): (0.1~2): (0.1
~1) five yuan of polymer thickening agents being polymerized by polymerisation in solution mode, 10 DEG C~30 DEG C of polymerization temperature, polymerization time 4~
10h, total monomer quality concentration 30%-40%；Initiator is ammonium persulfate and sodium hydrogensulfite.
2. superhigh temperature resistant polymer fracturing fluid system as described in claim 1, which is characterized in that the high-temperature stabilizer is
Selected from sodium thiosulfate, triethanolamine, ethylenediamine tetra-acetic acid, diethylene triamine pentacetic acid (DTPA), o-phenylenediamine or methanol, ethyl alcohol, different
One or more of propyl alcohol.
3. superhigh temperature resistant polymer fracturing fluid system as described in claim 1, which is characterized in that the metal crosslinking agent is to have
At least one of machine zirconium crosslink agent or organic aluminum crosslinker.
4. superhigh temperature resistant polymer fracturing fluid system as described in claim 1, which is characterized in that the pH adjusting agent is vinegar
Acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613296.7A CN110423602A (en) | 2019-07-09 | 2019-07-09 | A kind of superhigh temperature resistant polymer fracturing fluid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613296.7A CN110423602A (en) | 2019-07-09 | 2019-07-09 | A kind of superhigh temperature resistant polymer fracturing fluid system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110423602A true CN110423602A (en) | 2019-11-08 |
Family
ID=68409095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910613296.7A Pending CN110423602A (en) | 2019-07-09 | 2019-07-09 | A kind of superhigh temperature resistant polymer fracturing fluid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110423602A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100622A (en) * | 2019-12-26 | 2020-05-05 | 中联煤层气国家工程研究中心有限责任公司 | Clean fracturing fluid for deep coal-bed gas well and preparation method and application thereof |
| CN111253518A (en) * | 2020-03-10 | 2020-06-09 | 克拉玛依中科恒信科技有限责任公司 | Thickening agent for acidizing and fracturing and preparation method thereof |
| CN111944510A (en) * | 2020-08-27 | 2020-11-17 | 西安奥德石油工程技术有限责任公司 | Thickening agent for clean fracturing fluid and preparation method thereof |
| CN113214817A (en) * | 2021-05-14 | 2021-08-06 | 西南石油大学 | Ultrahigh-temperature fracturing fluid thickening agent and preparation method thereof |
| CN113943566A (en) * | 2020-07-17 | 2022-01-18 | 中石化石油工程技术服务有限公司 | Temperature-resistant reinforcing agent and fracturing fluid |
| CN114214051A (en) * | 2021-12-21 | 2022-03-22 | 西南石油大学 | Ultrahigh-temperature organic crosslinking fracturing fluid system |
| CN116426261A (en) * | 2021-12-30 | 2023-07-14 | 中国石油天然气股份有限公司 | Polymer thickener, preparation and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4938803A (en) * | 1989-07-05 | 1990-07-03 | Nalco Chemical Company | Vinyl grafted lignite fluid loss additives |
| CN101220263A (en) * | 2007-12-11 | 2008-07-16 | 北京希涛高分子聚合物研究所 | Water-based fracturing fluid gelatinizer and producing method thereof |
| CN104449643A (en) * | 2014-10-31 | 2015-03-25 | 中国石油天然气股份有限公司 | High-temperature-resistant polymer thickening agent for oil field fracturing fluid as well as preparation method and application of thickening agent |
| US20150166870A1 (en) * | 2012-07-03 | 2015-06-18 | Schlumberger Technology Corporation | Methods for Completing Subterranean Wells |
| CN106433600A (en) * | 2016-09-05 | 2017-02-22 | 中国石油天然气集团公司 | Seawater-based thickening agent for fracturing as well as preparation method and application thereof |
| CN108192588A (en) * | 2018-01-24 | 2018-06-22 | 西南石油大学 | A kind of selfreparing Low Damage superhigh temperature resistant fracturing fluid |
| CN109439308A (en) * | 2018-11-16 | 2019-03-08 | 中国石油天然气股份有限公司 | A kind of weighted fracture fluid and its preparation method and application being crosslinked glacial acetic acid |
-
2019
- 2019-07-09 CN CN201910613296.7A patent/CN110423602A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4938803A (en) * | 1989-07-05 | 1990-07-03 | Nalco Chemical Company | Vinyl grafted lignite fluid loss additives |
| CN101220263A (en) * | 2007-12-11 | 2008-07-16 | 北京希涛高分子聚合物研究所 | Water-based fracturing fluid gelatinizer and producing method thereof |
| US20150166870A1 (en) * | 2012-07-03 | 2015-06-18 | Schlumberger Technology Corporation | Methods for Completing Subterranean Wells |
| CN104449643A (en) * | 2014-10-31 | 2015-03-25 | 中国石油天然气股份有限公司 | High-temperature-resistant polymer thickening agent for oil field fracturing fluid as well as preparation method and application of thickening agent |
| CN106433600A (en) * | 2016-09-05 | 2017-02-22 | 中国石油天然气集团公司 | Seawater-based thickening agent for fracturing as well as preparation method and application thereof |
| CN108192588A (en) * | 2018-01-24 | 2018-06-22 | 西南石油大学 | A kind of selfreparing Low Damage superhigh temperature resistant fracturing fluid |
| CN109439308A (en) * | 2018-11-16 | 2019-03-08 | 中国石油天然气股份有限公司 | A kind of weighted fracture fluid and its preparation method and application being crosslinked glacial acetic acid |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111100622A (en) * | 2019-12-26 | 2020-05-05 | 中联煤层气国家工程研究中心有限责任公司 | Clean fracturing fluid for deep coal-bed gas well and preparation method and application thereof |
| CN111253518A (en) * | 2020-03-10 | 2020-06-09 | 克拉玛依中科恒信科技有限责任公司 | Thickening agent for acidizing and fracturing and preparation method thereof |
| CN113943566A (en) * | 2020-07-17 | 2022-01-18 | 中石化石油工程技术服务有限公司 | Temperature-resistant reinforcing agent and fracturing fluid |
| CN111944510A (en) * | 2020-08-27 | 2020-11-17 | 西安奥德石油工程技术有限责任公司 | Thickening agent for clean fracturing fluid and preparation method thereof |
| CN111944510B (en) * | 2020-08-27 | 2022-10-25 | 西安奥德石油工程技术有限责任公司 | Thickening agent for clean fracturing fluid and preparation method thereof |
| CN113214817A (en) * | 2021-05-14 | 2021-08-06 | 西南石油大学 | Ultrahigh-temperature fracturing fluid thickening agent and preparation method thereof |
| CN113214817B (en) * | 2021-05-14 | 2022-05-06 | 西南石油大学 | Ultrahigh-temperature fracturing fluid thickening agent and preparation method thereof |
| CN114214051A (en) * | 2021-12-21 | 2022-03-22 | 西南石油大学 | Ultrahigh-temperature organic crosslinking fracturing fluid system |
| CN114214051B (en) * | 2021-12-21 | 2022-07-15 | 西南石油大学 | Ultrahigh-temperature organic crosslinking fracturing fluid system |
| US11834610B2 (en) | 2021-12-21 | 2023-12-05 | Southwest Petroleum University | Ultra-high temperature organic cross-linked fracturing fluid system |
| CN116426261A (en) * | 2021-12-30 | 2023-07-14 | 中国石油天然气股份有限公司 | Polymer thickener, preparation and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110423602A (en) | A kind of superhigh temperature resistant polymer fracturing fluid system | |
| CN102676148B (en) | High-density low-friction fracturing fluid | |
| CN101412905B (en) | Preparation of composite fracturing fluid for hydraulic fracture | |
| RU2482154C2 (en) | Method of producing borozirconate solution and use thereof as cross-linking agent in hydraulic fracturing fluids | |
| CN108192588A (en) | A kind of selfreparing Low Damage superhigh temperature resistant fracturing fluid | |
| CN102206484B (en) | Acidic water repellent associated matter fracturing fluid | |
| CN103484094A (en) | High-temperature-resistant gelled fracturing fluid, and preparation method and application thereof | |
| CN103265939B (en) | A kind of fracturing fluid thickener and Synthesis and applications thereof | |
| CN104178102A (en) | Cross-linkable high-temperature-resistant residue-free polybasic copolymerizable fracturing fluid and preparation method thereof | |
| CN102352232B (en) | Temperature-resistant and salt-resistant polymer clean fracturing fluid thickening agent and preparation method thereof | |
| CN106318365A (en) | Reversible physical crosslinking polymer fracturing fluid and preparation method thereof | |
| Su et al. | Thermoviscosifying smart polymers for oil and gas production: state of the art | |
| CN102093873A (en) | Artificially synthesized polymer fracturing fluid with molecular weight of 500,000 to 10,000,000 | |
| CN103320112A (en) | Novel anti-shearing branch polymer oil displacement agent and synthetic method thereof | |
| CN104194763A (en) | Anionic polymer thickening agent and fracturing fluid and preparation methods thereof | |
| CN108300451A (en) | A kind of nano material complex intensifying gelled fracturing fluid and preparation method thereof | |
| CN102898590A (en) | Twin-tailed hydrophobically associating polymer oil-displacement agent containing beta-cyclodextrin and synthetic method thereof | |
| CN105441056A (en) | Polymer thickener for high-temperature-resistant water-based fracturing fluid and production method for polymer thickener | |
| CN110066647A (en) | A kind of drilling well stagnation of the circulation of vital energy plug resistant to high temperatures and preparation method thereof | |
| CN103409118A (en) | Synthetic method of water-base drilling fluid ultra-temperature stabilizing agent | |
| CN106753315A (en) | A kind of temperature control type becomes mucic acid and preparation method thereof | |
| CN111484578A (en) | Water-soluble AA-AM-NVP-NGD quadripolymer temporary plugging agent for fracturing and synthesis method thereof | |
| CN111040752B (en) | Low-adsorption fracturing fluid system and preparation method thereof | |
| US20050065040A1 (en) | Methods and compositions for treating subterranean formations using high ionic strength gelling agent polymers | |
| CN105153361B (en) | A kind of part branched moiety cross-linked polymer oil-displacing agent and preparation method thereof |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191108 |