DK521784A - Biopolymert middel med forbedret filtrerbarhed - Google Patents
Biopolymert middel med forbedret filtrerbarhed Download PDFInfo
- Publication number
- DK521784A DK521784A DK521784A DK521784A DK521784A DK 521784 A DK521784 A DK 521784A DK 521784 A DK521784 A DK 521784A DK 521784 A DK521784 A DK 521784A DK 521784 A DK521784 A DK 521784A
- Authority
- DK
- Denmark
- Prior art keywords
- biopolymed
- agent
- improved filterability
- filterability
- improved
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/904—Process of making fluids or additives therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S507/00—Earth boring, well treating, and oil field chemistry
- Y10S507/935—Enhanced oil recovery
- Y10S507/936—Flooding the formation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54847383A | 1983-11-03 | 1983-11-03 | |
US06/644,593 US4639322A (en) | 1983-11-03 | 1984-08-27 | Biopolymer compositions having enhanced filterability |
Publications (2)
Publication Number | Publication Date |
---|---|
DK521784D0 DK521784D0 (da) | 1984-11-02 |
DK521784A true DK521784A (da) | 1985-05-04 |
Family
ID=27068868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK521784A DK521784A (da) | 1983-11-03 | 1984-11-02 | Biopolymert middel med forbedret filtrerbarhed |
Country Status (4)
Country | Link |
---|---|
US (1) | US4639322A (da) |
AU (1) | AU576791B2 (da) |
CA (1) | CA1225520A (da) |
DK (1) | DK521784A (da) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5076363A (en) * | 1989-01-31 | 1991-12-31 | The Standard Oil Company | Surfactant-polymer composition and method of enhanced oil recovery |
BRPI0500573A (pt) * | 2005-02-18 | 2006-09-26 | Petroleo Brasileiro Sa | método e fluido para aumento do fator de recuperação em reservatórios petrolìferos |
MX2010001972A (es) * | 2007-08-21 | 2010-08-30 | Archer Daniels Midland Co | Composiciones de goma hidrocoloide, metodos para formar las mismas y productos formados a partir de las mismas. |
MX2017005333A (es) * | 2014-10-31 | 2017-08-15 | Chevron Usa Inc | Composiciones de polimeros. |
US9902895B2 (en) | 2014-10-31 | 2018-02-27 | Chevron U.S.A. Inc. | Polymer compositions |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3300375A (en) * | 1965-08-10 | 1967-01-24 | American Cyanamid Co | Process water treatment and method of controlling sulfate-reducing bacteria |
US3520976A (en) * | 1968-12-24 | 1970-07-21 | Buckman Labor Inc | S-thiocyanomethyl compounds of 2-mercaptobenzothiazoles,2 - mercaptobenzoxazoles,and 2 - mercaptobenzimidazoles |
US3996378A (en) * | 1974-10-24 | 1976-12-07 | Nalco Chemical Company | Water-based microbicide formulation |
US4119546A (en) * | 1976-08-05 | 1978-10-10 | Pfizer Inc. | Process for producing Xanthomonas hydrophilic colloid, product resulting therefrom, and use thereof in displacement of oil from partially depleted reservoirs |
US4135979A (en) * | 1976-08-24 | 1979-01-23 | Merck & Co., Inc. | Treatment of xanthan gum to improve clarity |
US4119491A (en) * | 1977-05-16 | 1978-10-10 | Shell Oil Company | Enzyme-filtration clarification of xanthan gum polymer solution |
US4352741A (en) * | 1977-11-15 | 1982-10-05 | Pfizer Inc. | Xanthomonas biopolymer for use in displacement of oil from partially depleted reservoirs |
US4282321A (en) * | 1978-11-30 | 1981-08-04 | Pfizer, Inc. | Fermentation process for production of xanthan |
US4406798A (en) * | 1981-08-24 | 1983-09-27 | Pfizer Inc. | Surfactant enhanced injectivity of xanthan mobility control solutions for tertiary oil recovery |
US4457372A (en) * | 1981-11-06 | 1984-07-03 | Texaco Inc. | Method of recovering petroleum from underground formations |
US4517101A (en) * | 1983-08-22 | 1985-05-14 | David Williams | Reduced biodegradability in a polymer flood process |
-
1984
- 1984-08-27 US US06/644,593 patent/US4639322A/en not_active Expired - Lifetime
- 1984-11-01 CA CA000466826A patent/CA1225520A/en not_active Expired
- 1984-11-02 DK DK521784A patent/DK521784A/da not_active Application Discontinuation
- 1984-11-02 AU AU34927/84A patent/AU576791B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US4639322A (en) | 1987-01-27 |
DK521784D0 (da) | 1984-11-02 |
AU3492784A (en) | 1985-05-09 |
CA1225520A (en) | 1987-08-18 |
AU576791B2 (en) | 1988-09-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |