OA08338A - Process for the preparation of an aqueous solution of a heteropolysaccharide. - Google Patents

Process for the preparation of an aqueous solution of a heteropolysaccharide.

Info

Publication number
OA08338A
OA08338A OA58872A OA58872A OA08338A OA 08338 A OA08338 A OA 08338A OA 58872 A OA58872 A OA 58872A OA 58872 A OA58872 A OA 58872A OA 08338 A OA08338 A OA 08338A
Authority
OA
OAPI
Prior art keywords
heteropolysaccharide
aqueous solution
preparation
pyruvic
galactose
Prior art date
Application number
OA58872A
Other languages
English (en)
Inventor
George Van Os
Jan Jacob Bleeker
Cornelis Willem Adriaan Schram
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of OA08338A publication Critical patent/OA08338A/xx

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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Polymers & Plastics (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Paper (AREA)
  • Saccharide Compounds (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Magnetic Ceramics (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
OA58872A 1985-06-06 1986-06-04 Process for the preparation of an aqueous solution of a heteropolysaccharide. OA08338A (en)

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
OA08338A true OA08338A (en) 1988-02-29

Family

ID=10580286

Family Applications (1)

Application Number Title Priority Date Filing Date
OA58872A OA08338A (en) 1985-06-06 1986-06-04 Process for the preparation of an aqueous solution of a heteropolysaccharide.

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US4738727A (en) 1988-04-19
AU592993B2 (en) 1990-02-01
NO862226D0 (no) 1986-06-04
EP0204358A2 (de) 1986-12-10
NO862226L (no) 1986-12-08
DE3683952D1 (de) 1992-04-02
US4816077A (en) 1989-03-28
BR8602609A (pt) 1987-02-03
TR23766A (tr) 1990-09-12
AU5842186A (en) 1986-12-11
ATE72834T1 (de) 1992-03-15
NO172358B (no) 1993-03-29
CA1287315C (en) 1991-08-06
EP0204358B1 (de) 1992-02-26
SG43893G (en) 1993-06-25
EP0204358A3 (en) 1987-12-02
GB8514315D0 (en) 1985-07-10
NO172358C (no) 1993-07-07

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