Multi-component acid pressure temporary plugging additive and preparation method thereof

The invention relates to a multi-component acid pressure temporary plugging additive and a preparation method of the temporary plugging additive. The temporary plugging additive comprises the following raw materials in percentages by weight: 30-43% of starch graft copolymer, 25-35% of acrylic acid-a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU HONG, WANG DONG, WANG SHOUPING, ZHOU CHENGYU, HOU XIAYANG, ZHANG QINGSHENG
Format:	Patent
Sprache:	chi ; 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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