DE3370509D1 - Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with dithionite - Google Patents
Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with dithioniteInfo
- Publication number
- DE3370509D1 DE3370509D1 DE8383306188T DE3370509T DE3370509D1 DE 3370509 D1 DE3370509 D1 DE 3370509D1 DE 8383306188 T DE8383306188 T DE 8383306188T DE 3370509 T DE3370509 T DE 3370509T DE 3370509 D1 DE3370509 D1 DE 3370509D1
- Authority
- DE
- Germany
- Prior art keywords
- dithionite
- elevated temperature
- oil recovery
- tertiary oil
- polysaccharide solutions
- 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.)
- Expired
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
- C09K8/84—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
- C09K8/905—Biopolymers
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing Of Solid Wastes (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43469682A | 1982-10-15 | 1982-10-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3370509D1 true DE3370509D1 (en) | 1987-04-30 |
Family
ID=23725287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383306188T Expired DE3370509D1 (en) | 1982-10-15 | 1983-10-13 | Stabilizing polysaccharide solutions for tertiary oil recovery at elevated temperature with dithionite |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0106666B1 (de) |
JP (1) | JPS5991189A (de) |
CA (1) | CA1210233A (de) |
DE (1) | DE3370509D1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0145217B1 (de) * | 1983-11-03 | 1988-07-27 | Pfizer Inc. | Biopolymer-Zusammensetzung mit verbesserter Filtrierbarkeit |
FR2574082B1 (fr) * | 1984-12-05 | 1987-01-16 | Rhone Poulenc Spec Chim | Procede de stabilisation thermique de solutions aqueuses de polysaccharides |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343601A (en) * | 1965-09-17 | 1967-09-26 | Dow Chemical Co | Water flooding process |
US3908760A (en) * | 1973-10-09 | 1975-09-30 | Phillips Petroleum Co | Method of treating subterranean formations with aqueous gels |
US4218327A (en) * | 1976-04-05 | 1980-08-19 | Shell Oil Company | Stabilizing the viscosity of an aqueous solution of polysaccharide polymer |
CA1097056A (en) * | 1977-06-15 | 1981-03-10 | Joseph E. Glass, Jr. | Treatment of water thickened systems |
JPS5618683A (en) * | 1979-07-24 | 1981-02-21 | Toagosei Chem Ind Co Ltd | Stabilizing liquid composition for digging ground |
-
1983
- 1983-10-13 DE DE8383306188T patent/DE3370509D1/de not_active Expired
- 1983-10-13 EP EP19830306188 patent/EP0106666B1/de not_active Expired
- 1983-10-13 CA CA000438935A patent/CA1210233A/en not_active Expired
- 1983-10-14 JP JP19228783A patent/JPS5991189A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0352512B2 (de) | 1991-08-12 |
EP0106666A2 (de) | 1984-04-25 |
EP0106666A3 (en) | 1984-05-23 |
CA1210233A (en) | 1986-08-26 |
EP0106666B1 (de) | 1987-03-25 |
JPS5991189A (ja) | 1984-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |