NO875448D0 - INCREASED OIL EXTRACTION WITH HYDROPHOBIC ASSOCIATED POLYMERS - Google Patents
INCREASED OIL EXTRACTION WITH HYDROPHOBIC ASSOCIATED POLYMERSInfo
- Publication number
- NO875448D0 NO875448D0 NO875448A NO875448A NO875448D0 NO 875448 D0 NO875448 D0 NO 875448D0 NO 875448 A NO875448 A NO 875448A NO 875448 A NO875448 A NO 875448A NO 875448 D0 NO875448 D0 NO 875448D0
- Authority
- NO
- Norway
- Prior art keywords
- oil extraction
- increased oil
- hydrophobic associated
- associated polymers
- polymers
- Prior art date
Links
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
- 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
- C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
- C08F226/10—N-Vinyl-pyrrolidone
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/947,285 US4702319A (en) | 1986-12-29 | 1986-12-29 | Enhanced oil recovery with hydrophobically associating polymers containing sulfonate functionality |
US06/946,864 US4709759A (en) | 1986-12-29 | 1986-12-29 | Enhanced oil recovery with hydrophobically associating polymers containing N-vinyl-pyrrolidone functionality |
Publications (4)
Publication Number | Publication Date |
---|---|
NO875448D0 true NO875448D0 (en) | 1987-12-28 |
NO875448L NO875448L (en) | 1988-06-30 |
NO176490B NO176490B (en) | 1995-01-02 |
NO176490C NO176490C (en) | 1995-04-12 |
Family
ID=27130241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO875448A NO176490C (en) | 1986-12-29 | 1987-12-28 | Process for extracting oil from a production well |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2199354B (en) |
NO (1) | NO176490C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2920818B1 (en) * | 2007-09-11 | 2013-03-22 | Snf Sas | IMPROVED PROCESS FOR ASSISTED OIL RECOVERY. |
US8752624B2 (en) | 2010-11-24 | 2014-06-17 | Basf Se | Aqueous formulations of hydrophobically associating copolymers and surfactants and use thereof for mineral oil production |
EA201390770A1 (en) | 2010-11-24 | 2013-12-30 | Басф Се | WATER PREPARATIVE FORMS OF HYDROPHOBIC-ASSOCIATED COPOLYMERS AND SURFACE, AND THEIR APPLICATION FOR OIL PRODUCTION |
CN114853945B (en) * | 2022-04-29 | 2023-02-17 | 山东大学 | Water-soluble nonionic polymer viscosity reducer, preparation method thereof and application thereof in viscosity reduction of extra-thick oil |
-
1987
- 1987-12-22 GB GB8729793A patent/GB2199354B/en not_active Expired - Lifetime
- 1987-12-28 NO NO875448A patent/NO176490C/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO176490C (en) | 1995-04-12 |
NO875448L (en) | 1988-06-30 |
GB2199354B (en) | 1991-05-15 |
GB2199354A (en) | 1988-07-06 |
GB8729793D0 (en) | 1988-02-03 |
NO176490B (en) | 1995-01-02 |
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