DE3163166D1 - Fluid displacement with heteropolysaccharide solutions, and the microbial production of heteropolysaccharides - Google Patents

Fluid displacement with heteropolysaccharide solutions, and the microbial production of heteropolysaccharides

Info

Publication number
DE3163166D1
DE3163166D1 DE8181200479T DE3163166T DE3163166D1 DE 3163166 D1 DE3163166 D1 DE 3163166D1 DE 8181200479 T DE8181200479 T DE 8181200479T DE 3163166 T DE3163166 T DE 3163166T DE 3163166 D1 DE3163166 D1 DE 3163166D1
Authority
DE
Germany
Prior art keywords
heteropolysaccharides
fluid displacement
microbial production
heteropolysaccharide
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
Application number
DE8181200479T
Other languages
English (en)
Inventor
Roger Edward Cripps
Richard Norman Ruffell
Anthony John Sturman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10513576&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3163166(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of DE3163166D1 publication Critical patent/DE3163166D1/de
Expired legal-status Critical Current

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
    • 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
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
DE8181200479T 1980-05-21 1981-05-06 Fluid displacement with heteropolysaccharide solutions, and the microbial production of heteropolysaccharides Expired DE3163166D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8016832 1980-05-21

Publications (1)

Publication Number Publication Date
DE3163166D1 true DE3163166D1 (en) 1984-05-24

Family

ID=10513576

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181200479T Expired DE3163166D1 (en) 1980-05-21 1981-05-06 Fluid displacement with heteropolysaccharide solutions, and the microbial production of heteropolysaccharides

Country Status (9)

Country Link
EP (1) EP0040445B1 (de)
JP (1) JPH0613699B2 (de)
AU (1) AU551159B2 (de)
BR (1) BR8103104A (de)
CA (1) CA1173771A (de)
DE (1) DE3163166D1 (de)
EG (1) EG15261A (de)
NO (1) NO158354C (de)
SU (1) SU1338785A3 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3269855D1 (en) * 1981-11-03 1986-04-17 Shell Int Research Process for cell disruption
DE3214953A1 (de) * 1982-04-22 1983-10-27 Hoechst Ag, 6230 Frankfurt Mikrobielle polysaccharide, verfahren zu ihrer herstellung, dafuer geeignete mikroorganismen und verwendung der polysaccharide
GB8325445D0 (en) * 1983-09-22 1983-10-26 Shell Int Research Preparing succinoglucan type of heteropolysaccharide
GB2152552B (en) * 1984-01-11 1987-08-05 Shell Int Research Process for drilling a well
GB8502629D0 (en) * 1985-02-01 1985-03-06 Shell Int Research Polysaccharide aqueous solution
US4658898A (en) * 1985-05-24 1987-04-21 Mobil Oil Corporation Oil reservoir permeability control using polymeric gels
GB8514315D0 (en) * 1985-06-06 1985-07-10 Shell Int Research Preparation of aqueous solution
ES2030724T3 (es) * 1986-06-30 1992-11-16 Pfizer Inc. Composiciones acuosas gelificadas derivadas de succinoglicano.
GB8622032D0 (en) * 1986-09-12 1986-10-22 Shell Int Research Aqueous polysaccharide compositions
FR2634219B1 (fr) * 1988-07-13 1992-04-24 Rhone Poulenc Chimie Nouvel heteropolysaccharide bm07, procede permettant son obtention et son application dans divers types d'industries
FR2652820B1 (fr) * 1989-10-09 1993-12-24 Rhone Poulenc Chimie Suspensions stables de zeolites comprenant un succinoglycane.
US5184679A (en) * 1991-11-27 1993-02-09 Shell Oil Company Gravel packing process
US5251699A (en) * 1992-05-26 1993-10-12 Shell Oil Company Low-viscosity gravel packing process
US5881826A (en) 1997-02-13 1999-03-16 Actisystems, Inc. Aphron-containing well drilling and servicing fluids
FR2784395B1 (fr) 1998-10-13 2002-12-27 Rhodia Chimie Sa Heteropolysaccharide produit par un agrobacterium radiobacter
US6746992B2 (en) 2001-07-25 2004-06-08 M-I, L.L.C. High density thermally stable well fluids
CN101169033A (zh) * 2006-10-27 2008-04-30 株式会社安川电机 采油系统和采油监控系统
US8287210B2 (en) 2010-11-17 2012-10-16 Amcol International Corporation Sub-aqueous placement of water-based suspensions and method of manufacture and use
CN114605564B (zh) * 2020-12-09 2023-02-10 常州恩德莱生物工程有限公司 杂聚寡糖及其在提高植物抗病性中的应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039028A (en) * 1975-11-03 1977-08-02 Union Oil Company Of California Mobility control of aqueous fluids in porous media
GB1557732A (en) * 1976-02-27 1979-12-12 Bloomfield E J Hot water supply systems
JPS53113090A (en) * 1977-03-09 1978-10-03 Cpc International Inc Production of high viscous acidic polysaccharide by microorganism
US4256590A (en) * 1977-05-09 1981-03-17 Exxon Research & Engineering Co. Modified heteropolysaccharides and their preparation
US4211774A (en) * 1977-10-17 1980-07-08 Merck & Co., Inc. Bacterial polysaccharide S-21 and complex thereof
US4212748A (en) * 1978-05-26 1980-07-15 Conoco, Inc. Polymer flood filtration improvement

Also Published As

Publication number Publication date
JPS5716088A (en) 1982-01-27
EP0040445A1 (de) 1981-11-25
BR8103104A (pt) 1982-02-09
NO158354B (no) 1988-05-16
NO811696L (no) 1981-11-23
SU1338785A3 (ru) 1987-09-15
JPH0613699B2 (ja) 1994-02-23
NO158354C (no) 1988-08-24
AU7081881A (en) 1981-11-26
EP0040445B1 (de) 1984-04-18
EG15261A (en) 1985-12-31
CA1173771A (en) 1984-09-04
AU551159B2 (en) 1986-04-17

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Legal Events

Date Code Title Description
8365 Fully valid after opposition proceedings