COMPOSITION AND METHOD OF PREPARATION OF NOVEL AQUEOUS DRILLING FLUID ADDITIVES

The present invention relates to new compositions and methods of preparation of deflocculants for water-base mud additives. The disclosed materials are low molecular weight terpolymers and graft copolymers consisting essentially of monovalent salts of (1) 5 to 50% by weight of tetrahydrophthalic aci...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SAMPLE, THOMAS EARL, CHEN, ROBERT GOW-SHENG, PATEL, ARVIND DAHYABHAI
Format:	Patent
Sprache:	eng
Schlagworte:	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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