GR69782B - - Google Patents

Info

Publication number
GR69782B
GR69782B GR54053A GR770154053A GR69782B GR 69782 B GR69782 B GR 69782B GR 54053 A GR54053 A GR 54053A GR 770154053 A GR770154053 A GR 770154053A GR 69782 B GR69782 B GR 69782B
Authority
GR
Greece
Application number
GR54053A
Other languages
Greek (el)
Inventor
William Charles Wernau
Original Assignee
Pfizer
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
Application filed by Pfizer filed Critical Pfizer
Publication of GR69782B publication Critical patent/GR69782B/el

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
    • 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
    • C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
    • 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)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
GR54053A 1976-08-05 1977-07-27 GR69782B (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71184376A 1976-08-05 1976-08-05

Publications (1)

Publication Number Publication Date
GR69782B true GR69782B (https=) 1982-07-07

Family

ID=24859761

Family Applications (1)

Application Number Title Priority Date Filing Date
GR54053A GR69782B (https=) 1976-08-05 1977-07-27

Country Status (2)

Country Link
US (1) US4119546A (https=)
GR (1) GR69782B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115873570A (zh) * 2021-09-27 2023-03-31 中国石油化工股份有限公司 一种微生物采油调驱剂及其应用

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375512A (en) * 1978-04-13 1983-03-01 Merck & Co., Inc. Process for producing low calcium xanthan gums by fermentation
US4394447A (en) * 1978-05-23 1983-07-19 The United States Of America As Represented By The Secretary Of Agriculture Production of high-pyruvate xanthan gum on synthetic medium
US4265673A (en) * 1978-06-23 1981-05-05 Talres Development (N.A.) N.V. Polymer solutions for use in oil recovery containing a complexing agent for multivalentions
NL7907884A (nl) * 1978-11-06 1980-05-08 Pfizer Werkwijze voor de bereiding van een de beweeglijkheid regelende oplossing ten gebruike bij het winnen van olie.
US4282321A (en) * 1978-11-30 1981-08-04 Pfizer, Inc. Fermentation process for production of xanthan
FR2442955A1 (fr) * 1978-12-01 1980-06-27 Ceca Sa Perfectionnements a la recuperation assistee du petrole
US4245046A (en) * 1979-03-23 1981-01-13 Massachusetts Institute Of Technology Process for the fermentative production of xanthan gum with organic acids
US4263399A (en) * 1979-05-31 1981-04-21 Merck & Co., Inc. High phosphate process for making low calcium, smooth flow xanthan gum
US4299825A (en) * 1980-07-03 1981-11-10 Celanese Corporation Concentrated xanthan gum solutions
DE3105556A1 (de) * 1981-02-16 1982-09-02 Henkel KGaA, 4000 Düsseldorf "verbessertes verfahren zur herstellung von xanthomonas-biopolymeren"
US4466889A (en) * 1981-08-20 1984-08-21 Pfizer Inc. Polyvalent metal ion chelating agents for xanthan solutions
US4460043A (en) * 1982-08-05 1984-07-17 Nova/Husky Research Corporation Ltd. Method of enhancing oil recovery by use of exopolymer producing microorganisms
NO833264L (no) * 1982-09-13 1984-03-14 Exxon Research Engineering Co Fremgangsmaate for fremstilling av modifiserte heteropolysakkarider i buffret saltopploesning og deres anvendelse for oljeutvinning
US4440225A (en) * 1982-09-13 1984-04-03 Exxon Research And Engineering Co. Oil recovery using modified heteropolysaccharides in buffered brine
US4558739A (en) * 1983-04-05 1985-12-17 The Board Of Regents For The University Of Oklahoma Situ microbial plugging process for subterranean formations
US4522261A (en) * 1983-04-05 1985-06-11 The Board Of Regents For The University Of Oklahoma Biosurfactant and enhanced oil recovery
US4639322A (en) * 1983-11-03 1987-01-27 Pfizer Inc. Biopolymer compositions having enhanced filterability
US4707281A (en) * 1985-06-03 1987-11-17 Pfizer Inc. Drilling fluid additive containing high pyruvate xanthan
US5881813A (en) * 1996-11-06 1999-03-16 Bj Services Company Method for improved stimulation treatment
US6110875A (en) * 1997-03-07 2000-08-29 Bj Services Company Methods and materials for degrading xanthan
US6138760A (en) * 1998-12-07 2000-10-31 Bj Services Company Pre-treatment methods for polymer-containing fluids
US6818594B1 (en) 1999-11-12 2004-11-16 M-I L.L.C. Method for the triggered release of polymer-degrading agents for oil field use
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.
EP2245107A4 (en) 2008-01-16 2011-07-06 Mi Llc PROCESS FOR PREVENTING BZW. RESOLUTION OF XANTHAN DEPOSITS
GB2523482A (en) * 2012-12-18 2015-08-26 Du Pont Method for enhanced recovery of oil from oil reservoirs
FR3045668A1 (fr) * 2015-12-18 2017-06-23 Rhodia Operations Procede de bioproduction de dextrane en milieu salin
CN112111423A (zh) * 2020-09-02 2020-12-22 内蒙古阜丰生物科技有限公司 一种发酵制备黄原胶的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2867279A (en) * 1957-03-18 1959-01-06 Nat Aluminate Corp Process and compositions for treating geological formations
US3338792A (en) * 1963-07-30 1967-08-29 Exxon Production Research Co Fermentation process utilizing pathogenic organisms
US3391060A (en) * 1966-01-27 1968-07-02 Kelco Co Process for producing a polysaccharide
US3660287A (en) * 1967-10-12 1972-05-02 Frank J Quattrini Aqueous reactive scale solvent
US3964972A (en) * 1970-03-02 1976-06-22 John Tinsman Patton Modified heteropolysaccharides
US3853771A (en) * 1971-05-17 1974-12-10 Shell Oil Co Process for dispersing cellular micro-organisms with chelating aqueous alkaline surfactant systems
US3966618A (en) * 1974-03-11 1976-06-29 Merck & Co., Inc. Clarification of xanthan gum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115873570A (zh) * 2021-09-27 2023-03-31 中国石油化工股份有限公司 一种微生物采油调驱剂及其应用
CN115873570B (zh) * 2021-09-27 2024-02-02 中国石油化工股份有限公司 一种微生物采油调驱剂及其应用

Also Published As

Publication number Publication date
US4119546A (en) 1978-10-10

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