METHOD OF FLUSHING WELLS

Outstandingly suitable drilling mud additives are water soluble copolymers consisting essentially of a random distribution of (a) 5 to 95% by weight of units of the formula (b) 5 to 95% by weight of units of the formula and (c) 0 to 80% by weight of units of the formula wherein R1 and R2 are the sam...

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Bibliographic Details
Main Authors KHEJNTS VITTKUS,DE, ULRIKH RIGEL,DE, MARTIN KHILLE,DE, FRIDRIKH ENGELKHARDT,DE
Format Patent
LanguageEnglish
Russian
Published 23.01.1986
Edition4
Subjects
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Outstandingly suitable drilling mud additives are water soluble copolymers consisting essentially of a random distribution of (a) 5 to 95% by weight of units of the formula (b) 5 to 95% by weight of units of the formula and (c) 0 to 80% by weight of units of the formula wherein R1 and R2 are the same or different and each is hydrogen methyl or ethyl; and X(+) is a cation.
Bibliography:Application Number: SU19823460066