CN113402660A - Polymer for oil extraction of high-temperature and high-salinity oil reservoir and preparation method and application thereof - Google Patents
Polymer for oil extraction of high-temperature and high-salinity oil reservoir and preparation method and application thereof Download PDFInfo
- Publication number
- CN113402660A CN113402660A CN202110679113.9A CN202110679113A CN113402660A CN 113402660 A CN113402660 A CN 113402660A CN 202110679113 A CN202110679113 A CN 202110679113A CN 113402660 A CN113402660 A CN 113402660A
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- China
- Prior art keywords
- temperature
- polymer
- oil
- group
- acid monomer
- 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.)
- Granted
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 84
- 238000000605 extraction Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 107
- 239000000243 solution Substances 0.000 claims abstract description 59
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 38
- PRNMXSACOXQQRF-UHFFFAOYSA-N 3-amino-3-oxoprop-1-ene-2-sulfonic acid Chemical class NC(=O)C(=C)S(O)(=O)=O PRNMXSACOXQQRF-UHFFFAOYSA-N 0.000 claims abstract description 35
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 28
- 238000011084 recovery Methods 0.000 claims abstract description 24
- PZUGJLOCXUNFLM-UHFFFAOYSA-N n-ethenylaniline Chemical group C=CNC1=CC=CC=C1 PZUGJLOCXUNFLM-UHFFFAOYSA-N 0.000 claims abstract description 23
- 150000005846 sugar alcohols Polymers 0.000 claims abstract description 20
- 238000006116 polymerization reaction Methods 0.000 claims description 30
- 239000007864 aqueous solution Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000003999 initiator Substances 0.000 claims description 26
- 125000000217 alkyl group Chemical group 0.000 claims description 22
- -1 amidine hydrochloride Chemical class 0.000 claims description 17
- 239000012986 chain transfer agent Substances 0.000 claims description 17
- 239000006184 cosolvent Substances 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 15
- 239000003381 stabilizer Substances 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 12
- QYFZAEGNOFAHAD-UHFFFAOYSA-N C(=CC)S(=O)(=O)OC.[Na] Chemical compound C(=CC)S(=O)(=O)OC.[Na] QYFZAEGNOFAHAD-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000004280 Sodium formate Substances 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 claims description 8
- 235000019254 sodium formate Nutrition 0.000 claims description 8
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical group [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims description 7
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 7
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 4
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- 239000004202 carbamide Substances 0.000 claims description 3
- 235000013877 carbamide Nutrition 0.000 claims description 3
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 230000003301 hydrolyzing effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- VQIDGTFLGAAJGI-UHFFFAOYSA-M sodium;prop-1-ene-1-sulfonate Chemical compound [Na+].CC=CS([O-])(=O)=O VQIDGTFLGAAJGI-UHFFFAOYSA-M 0.000 claims description 3
- 125000006539 C12 alkyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 150000003839 salts Chemical class 0.000 abstract description 16
- 239000004094 surface-active agent Substances 0.000 abstract description 14
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 239000011218 binary composite Substances 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 15
- 239000001301 oxygen Substances 0.000 description 15
- 229910052760 oxygen Inorganic materials 0.000 description 15
- 238000006460 hydrolysis reaction Methods 0.000 description 14
- 238000003756 stirring Methods 0.000 description 11
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 238000001035 drying Methods 0.000 description 9
- 230000007062 hydrolysis Effects 0.000 description 9
- 239000000523 sample Substances 0.000 description 9
- 230000032683 aging Effects 0.000 description 8
- 239000012452 mother liquor Substances 0.000 description 8
- 229920005862 polyol Polymers 0.000 description 8
- 150000003077 polyols Chemical class 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 5
- 230000033558 biomineral tissue development Effects 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 5
- 238000007873 sieving Methods 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 4
- 238000007865 diluting Methods 0.000 description 4
- 239000005457 ice water Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000003708 ampul Substances 0.000 description 3
- 150000001768 cations Chemical class 0.000 description 3
- 230000009920 chelation Effects 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 230000003381 solubilizing effect Effects 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001408 amides Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002431 foraging effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 125000005462 imide group Chemical group 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000015784 hyperosmotic salinity response Effects 0.000 description 1
- 125000000879 imine group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- RECVMTHOQWMYFX-UHFFFAOYSA-N oxygen(1+) dihydride Chemical compound [OH2+] RECVMTHOQWMYFX-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- 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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
Examples | Intrinsic viscosity (mL/g) | Relative molecular weight |
1 | 1717.4 | 8.86×106 |
2 | 2174.8 | 1.19×107 |
3 | 2594.5 | 1.48×107 |
4 | 3039.5 | 1.81×107 |
Ion(s) | Na+ | Ca2+ | Mg2+ | HCO3- | Cl- | TDS |
Content/(mg. L)-1) | 6800 | 800 | 400 | 1000 | 11000 | 20000 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110679113.9A CN113402660B (en) | 2021-06-18 | 2021-06-18 | Polymer for oil extraction of high-temperature and high-salinity oil reservoir and preparation method and application thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110679113.9A CN113402660B (en) | 2021-06-18 | 2021-06-18 | Polymer for oil extraction of high-temperature and high-salinity oil reservoir and preparation method and application thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN113402660A true CN113402660A (en) | 2021-09-17 |
CN113402660B CN113402660B (en) | 2022-04-01 |
Family
ID=77681530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110679113.9A Expired - Fee Related CN113402660B (en) | 2021-06-18 | 2021-06-18 | Polymer for oil extraction of high-temperature and high-salinity oil reservoir and preparation method and application thereof |
Country Status (1)
Country | Link |
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CN (1) | CN113402660B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116655858A (en) * | 2023-05-29 | 2023-08-29 | 大庆玮德化工有限公司 | Binary composite flooding polymer for oil field and preparation method and application thereof |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5079278A (en) * | 1989-12-13 | 1992-01-07 | Mobil Oil Corporation | Enhanced oil recovery profile control with crosslinked anionic acrylamide copolymer gels |
US5089578A (en) * | 1986-03-28 | 1992-02-18 | Exxon Research And Engineering Company | Hydrophobically associating terpolymers containing sulfonate functionality |
US5244936A (en) * | 1988-12-12 | 1993-09-14 | Mobil Oil Corporation | Enhanced oil recovery profile control with crosslinked anionic acrylamide copolymer gels |
JP2005290390A (en) * | 2000-02-29 | 2005-10-20 | Sanyo Chem Ind Ltd | Additive for increasing production of crude oil |
CN102050913A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Temperature and salt resistant grafted polyacrylamide and preparation method thereof |
CN103666433A (en) * | 2012-09-05 | 2014-03-26 | 中国石油化工股份有限公司 | Oil-displacing agent composition used for improving recovery ratio of high-temperature reservoir and preparation method of composition |
CN103665260A (en) * | 2012-09-05 | 2014-03-26 | 中国石油化工股份有限公司 | Heat resistance and salt tolerance polymer for oil displacement and preparation method thereof |
CN105085800A (en) * | 2015-09-06 | 2015-11-25 | 华鼎鸿基采油技术服务(北京)有限公司 | Heat-resistant and salt-tolerant polymer oil-displacing agent and preparation method thereof |
CN109369848A (en) * | 2018-10-26 | 2019-02-22 | 华鼎鸿基采油技术服务(北京)有限公司 | A kind of functional form temperature-resistant anti-salt plugging agent and preparation method thereof |
CN112226226A (en) * | 2019-07-15 | 2021-01-15 | 中国石油化工股份有限公司 | Aniline compound and polyether surfactant composition and poly-surfactant oil displacement agent |
-
2021
- 2021-06-18 CN CN202110679113.9A patent/CN113402660B/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5089578A (en) * | 1986-03-28 | 1992-02-18 | Exxon Research And Engineering Company | Hydrophobically associating terpolymers containing sulfonate functionality |
US5244936A (en) * | 1988-12-12 | 1993-09-14 | Mobil Oil Corporation | Enhanced oil recovery profile control with crosslinked anionic acrylamide copolymer gels |
US5079278A (en) * | 1989-12-13 | 1992-01-07 | Mobil Oil Corporation | Enhanced oil recovery profile control with crosslinked anionic acrylamide copolymer gels |
JP2005290390A (en) * | 2000-02-29 | 2005-10-20 | Sanyo Chem Ind Ltd | Additive for increasing production of crude oil |
CN102050913A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | Temperature and salt resistant grafted polyacrylamide and preparation method thereof |
CN103666433A (en) * | 2012-09-05 | 2014-03-26 | 中国石油化工股份有限公司 | Oil-displacing agent composition used for improving recovery ratio of high-temperature reservoir and preparation method of composition |
CN103665260A (en) * | 2012-09-05 | 2014-03-26 | 中国石油化工股份有限公司 | Heat resistance and salt tolerance polymer for oil displacement and preparation method thereof |
CN105085800A (en) * | 2015-09-06 | 2015-11-25 | 华鼎鸿基采油技术服务(北京)有限公司 | Heat-resistant and salt-tolerant polymer oil-displacing agent and preparation method thereof |
CN109369848A (en) * | 2018-10-26 | 2019-02-22 | 华鼎鸿基采油技术服务(北京)有限公司 | A kind of functional form temperature-resistant anti-salt plugging agent and preparation method thereof |
CN112226226A (en) * | 2019-07-15 | 2021-01-15 | 中国石油化工股份有限公司 | Aniline compound and polyether surfactant composition and poly-surfactant oil displacement agent |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116655858A (en) * | 2023-05-29 | 2023-08-29 | 大庆玮德化工有限公司 | Binary composite flooding polymer for oil field and preparation method and application thereof |
Also Published As
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CN113402660B (en) | 2022-04-01 |
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CB03 | Change of inventor or designer information |
Inventor after: Zhang Ning Inventor after: Wang Yiling Inventor after: Yang Xue Inventor after: Guo Xiaoguang Inventor after: Lu Qiong Inventor after: Liu Xiaohui Inventor after: Sui Xinguang Inventor after: Zhao Xin Inventor after: Jia Shihua Inventor after: Xu Dianping Inventor before: Zhang Ning Inventor before: Wang Yiling Inventor before: Yang Xue Inventor before: Guo Xiaoguang Inventor before: Lu Qiong Inventor before: Liu Yang Inventor before: Sui Xinguang Inventor before: Zhao Xin Inventor before: Jia Shihua Inventor before: Xu Dianping |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |