ATE264380T1 - Flüssigkeiten zur ölgewinnung die deacetyliertes xanthan und mindestens eine verbindung zur erhöhung der ionischen kraft des mittels enthalten - Google Patents
Flüssigkeiten zur ölgewinnung die deacetyliertes xanthan und mindestens eine verbindung zur erhöhung der ionischen kraft des mittels enthaltenInfo
- Publication number
- ATE264380T1 ATE264380T1 AT98938729T AT98938729T ATE264380T1 AT E264380 T1 ATE264380 T1 AT E264380T1 AT 98938729 T AT98938729 T AT 98938729T AT 98938729 T AT98938729 T AT 98938729T AT E264380 T1 ATE264380 T1 AT E264380T1
- Authority
- AT
- Austria
- Prior art keywords
- xanthane
- compound
- agent
- increase
- oil extraction
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0033—Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof
-
- 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
- C09K8/02—Well-drilling compositions
- C09K8/04—Aqueous well-drilling compositions
- C09K8/14—Clay-containing compositions
- C09K8/18—Clay-containing compositions characterised by the organic compounds
- C09K8/20—Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives
- C09K8/206—Derivatives of other natural products, e.g. cellulose, starch, sugars
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Molecular Biology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Emergency Medicine (AREA)
- Biochemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Fats And Perfumes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Lubricants (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9709087A FR2766203B1 (fr) | 1997-07-17 | 1997-07-17 | Fluides utilisables dans l'exploitation du petrole comprenant de la gomme xanthane desacetylee et au moins un compose augmentant la force ionique du milieu |
PCT/FR1998/001514 WO1999003948A1 (fr) | 1997-07-17 | 1998-07-10 | Fluides utilisables dans l'exploitation du petrole comprenant de la gomme xanthane desacetylee et au moins un compose augmentant la force ionique du milieu |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE264380T1 true ATE264380T1 (de) | 2004-04-15 |
Family
ID=9509322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98938729T ATE264380T1 (de) | 1997-07-17 | 1998-07-10 | Flüssigkeiten zur ölgewinnung die deacetyliertes xanthan und mindestens eine verbindung zur erhöhung der ionischen kraft des mittels enthalten |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0998540B1 (de) |
CN (1) | CN1311051C (de) |
AT (1) | ATE264380T1 (de) |
AU (1) | AU8734398A (de) |
CA (1) | CA2296741C (de) |
DE (1) | DE69823203D1 (de) |
FR (1) | FR2766203B1 (de) |
ID (1) | ID24717A (de) |
NO (1) | NO20000208L (de) |
WO (1) | WO1999003948A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7226895B2 (en) | 2004-04-06 | 2007-06-05 | Baker Hughes Incorporated | Drilling fluid systems for reducing circulation losses |
CN100387676C (zh) * | 2006-07-24 | 2008-05-14 | 大庆石油管理局 | 抗高温高密度隔离液 |
CN103881668B (zh) * | 2014-03-18 | 2016-09-21 | 陶荣燕 | 硫酸铝增强地层保护剂 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3096293A (en) * | 1959-12-30 | 1963-07-02 | Allene R Jeanes | Method of increasing the viscosity of an aqueous solution of a deacetylated polysaccharide |
GB1080248A (en) * | 1965-10-11 | 1967-08-23 | Exxon Production Research Co | Method for drilling wells and similar boreholes and aqueous media suitable for injection into such boreholes |
US4218327A (en) * | 1976-04-05 | 1980-08-19 | Shell Oil Company | Stabilizing the viscosity of an aqueous solution of polysaccharide polymer |
US4186803A (en) * | 1976-10-26 | 1980-02-05 | Texas Brine Corporation | Well completion and work over method |
US4868293A (en) * | 1985-08-06 | 1989-09-19 | Getty Scientific Development Company | Polysaccharide polymer made by xanthomonas |
EP0511690B1 (de) * | 1986-03-24 | 1997-07-30 | Getty Scientific Development Company | Familie von auf Xanthan basierenden Polysaccharidpolymeren, welche Nichtacetylierten und/oder Nichtpyruvylierten Gum beeinhalten |
ATE246255T1 (de) * | 1991-05-07 | 2003-08-15 | Monsanto Co | Genetische kontrolle zur acetylierung von polysacchariden der art xanthan |
-
1997
- 1997-07-17 FR FR9709087A patent/FR2766203B1/fr not_active Expired - Fee Related
-
1998
- 1998-07-10 WO PCT/FR1998/001514 patent/WO1999003948A1/fr active IP Right Grant
- 1998-07-10 EP EP98938729A patent/EP0998540B1/de not_active Expired - Lifetime
- 1998-07-10 AT AT98938729T patent/ATE264380T1/de not_active IP Right Cessation
- 1998-07-10 CA CA002296741A patent/CA2296741C/fr not_active Expired - Fee Related
- 1998-07-10 ID IDW20000093A patent/ID24717A/id unknown
- 1998-07-10 DE DE69823203T patent/DE69823203D1/de not_active Expired - Lifetime
- 1998-07-10 CN CNB988082993A patent/CN1311051C/zh not_active Expired - Fee Related
- 1998-07-10 AU AU87343/98A patent/AU8734398A/en not_active Abandoned
-
2000
- 2000-01-14 NO NO20000208A patent/NO20000208L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2296741A1 (fr) | 1999-01-28 |
AU8734398A (en) | 1999-02-10 |
CA2296741C (fr) | 2007-04-10 |
FR2766203A1 (fr) | 1999-01-22 |
CN1311051C (zh) | 2007-04-18 |
EP0998540A1 (de) | 2000-05-10 |
ID24717A (id) | 2000-08-03 |
CN1267320A (zh) | 2000-09-20 |
EP0998540B1 (de) | 2004-04-14 |
WO1999003948A1 (fr) | 1999-01-28 |
NO20000208L (no) | 2000-03-17 |
FR2766203B1 (fr) | 2002-05-24 |
DE69823203D1 (de) | 2004-05-19 |
NO20000208D0 (no) | 2000-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |