DE3683952D1 - Verfahren zur herstellung einer waessrigen loesung eines heteropolysaccharides. - Google Patents
Verfahren zur herstellung einer waessrigen loesung eines heteropolysaccharides.Info
- Publication number
- DE3683952D1 DE3683952D1 DE8686200805T DE3683952T DE3683952D1 DE 3683952 D1 DE3683952 D1 DE 3683952D1 DE 8686200805 T DE8686200805 T DE 8686200805T DE 3683952 T DE3683952 T DE 3683952T DE 3683952 D1 DE3683952 D1 DE 3683952D1
- Authority
- DE
- Germany
- Prior art keywords
- aqueous solution
- heteropolysaccharid
- producing
- heteropolysaccharide
- pyruvic
- 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 - Lifetime
Links
- 239000007864 aqueous solution Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical compound CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 abstract 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 abstract 1
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 abstract 1
- 239000012736 aqueous medium Substances 0.000 abstract 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 abstract 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 229930182830 galactose Natural products 0.000 abstract 1
- 239000008103 glucose Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229940107700 pyruvic acid Drugs 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/003—Means for stopping loss of drilling fluid
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Fluid Mechanics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Saccharide Compounds (AREA)
- Paper (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Magnetic Ceramics (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB858514315A GB8514315D0 (en) | 1985-06-06 | 1985-06-06 | Preparation of aqueous solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3683952D1 true DE3683952D1 (de) | 1992-04-02 |
Family
ID=10580286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8686200805T Expired - Lifetime DE3683952D1 (de) | 1985-06-06 | 1986-05-07 | Verfahren zur herstellung einer waessrigen loesung eines heteropolysaccharides. |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US4738727A (de) |
| EP (1) | EP0204358B1 (de) |
| AT (1) | ATE72834T1 (de) |
| AU (1) | AU592993B2 (de) |
| BR (1) | BR8602609A (de) |
| CA (1) | CA1287315C (de) |
| DE (1) | DE3683952D1 (de) |
| GB (1) | GB8514315D0 (de) |
| NO (1) | NO172358C (de) |
| OA (1) | OA08338A (de) |
| SG (1) | SG43893G (de) |
| TR (1) | TR23766A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2621327B1 (fr) * | 1987-10-06 | 1990-01-05 | Commissariat Energie Atomique | Procede de production et d'extraction de polysaccharides a partir d'une culture de porphyridium cruentum et dispositif pour la mise en oeuvre du procede |
| AT406047B (de) * | 1997-07-18 | 2000-01-25 | Cement Intellectual Property L | Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichen, feinkörnigen polysacchariden, wie z.b. mikrobiellen oder pflanzlichen biopolymeren und/oder cellulosederivaten |
| AT406048B (de) * | 1997-07-18 | 2000-01-25 | Cement Intellectual Property L | Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichem welan gum |
| CN108342189B (zh) * | 2017-11-29 | 2020-05-15 | 山东省食品发酵工业研究设计院 | 一种基于生物多糖的环保型油田采油用复合物及其应用 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1587225A (en) * | 1977-05-20 | 1981-04-01 | Exxon Research Engineering Co | Heteropolysaccharides and their preparation |
| CA1173771A (en) * | 1980-05-21 | 1984-09-04 | Roger E. Cripps | Fluid displacement with heteropolysaccharide solutions, and the microbial production of heteropolysaccharides |
| US4299825A (en) * | 1980-07-03 | 1981-11-10 | Celanese Corporation | Concentrated xanthan gum solutions |
| FR2491494B1 (fr) * | 1980-10-06 | 1985-11-29 | Inst Francais Du Petrole | Procede enzymatique de clarification de gommes xanthanes permettant d'ameliorer leur injectivite et leur filtrabilite |
| US4493774A (en) * | 1982-02-18 | 1985-01-15 | Exxon Production Research Co. | Method for improving injectivities of biopolymer solutions |
| US4440225A (en) * | 1982-09-13 | 1984-04-03 | Exxon Research And Engineering Co. | Oil recovery using modified heteropolysaccharides in buffered brine |
| GB8325445D0 (en) * | 1983-09-22 | 1983-10-26 | Shell Int Research | Preparing succinoglucan type of heteropolysaccharide |
-
1985
- 1985-06-06 GB GB858514315A patent/GB8514315D0/en active Pending
-
1986
- 1986-05-07 DE DE8686200805T patent/DE3683952D1/de not_active Expired - Lifetime
- 1986-05-07 AT AT86200805T patent/ATE72834T1/de not_active IP Right Cessation
- 1986-05-07 EP EP86200805A patent/EP0204358B1/de not_active Expired - Lifetime
- 1986-05-13 CA CA000509037A patent/CA1287315C/en not_active Expired - Fee Related
- 1986-06-03 US US06/870,251 patent/US4738727A/en not_active Expired - Lifetime
- 1986-06-04 BR BR8602609A patent/BR8602609A/pt not_active Application Discontinuation
- 1986-06-04 AU AU58421/86A patent/AU592993B2/en not_active Expired
- 1986-06-04 TR TR86/0309A patent/TR23766A/xx unknown
- 1986-06-04 OA OA58872A patent/OA08338A/xx unknown
- 1986-06-04 NO NO862226A patent/NO172358C/no unknown
-
1988
- 1988-01-11 US US07/141,794 patent/US4816077A/en not_active Expired - Fee Related
-
1993
- 1993-04-14 SG SG43893A patent/SG43893G/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TR23766A (tr) | 1990-09-12 |
| NO172358B (no) | 1993-03-29 |
| NO862226L (no) | 1986-12-08 |
| CA1287315C (en) | 1991-08-06 |
| AU592993B2 (en) | 1990-02-01 |
| OA08338A (en) | 1988-02-29 |
| SG43893G (en) | 1993-06-25 |
| US4738727A (en) | 1988-04-19 |
| AU5842186A (en) | 1986-12-11 |
| ATE72834T1 (de) | 1992-03-15 |
| EP0204358A3 (en) | 1987-12-02 |
| NO862226D0 (no) | 1986-06-04 |
| EP0204358B1 (de) | 1992-02-26 |
| NO172358C (no) | 1993-07-07 |
| BR8602609A (pt) | 1987-02-03 |
| US4816077A (en) | 1989-03-28 |
| EP0204358A2 (de) | 1986-12-10 |
| GB8514315D0 (en) | 1985-07-10 |
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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 |