HETEROPOLYSACCHARIDES,ITS PRODUCTION AND USE AND BACTERIAL STAIN NCIB 11883

Title:

HETEROPOLYSACCHARIDES,ITS PRODUCTION AND USE AND BACTERIAL STAIN NCIB 11883

Document Type and Number:

Japanese Patent JPS60186294

Kind Code:

A

Abstract:

Process for preparing a heteropolysaccharide from strain NCIB 11883 and use of the latter e.g. as viscosity modifier in an aqueous system such as completion fluids, work over fluids, stimulation fluids, and preferably in drilling fluids and use in connection with well-treatments, and enhanced oil recovery.

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Inventors:

JIYON DATSUDOREI RINTON
MAIKERU UIRIAMU EBUANZU
ANDORIYUU RICHIYAADO GODOREI

Application Number:

JP19588284A

Publication Date:

September 21, 1985

Filing Date:

September 20, 1984

Export Citation:

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Assignee:

SHELL INT RESEARCH

International Classes:

C08B37/00; C09K8/20; C09K8/90; C12N1/20; C12P19/04; E21B43/25; C12R1/01; C12R1/38; (IPC1-7): C08B37/00; C12P19/04; C12R1/38

Domestic Patent References:

JPS5726599A	1982-02-12
JPS5716088A	1982-01-27

Attorney, Agent or Firm:

Kazuho Kawarada

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