Environment-friendly high-temperature-resistant salt-resistant weathered-coal anti-collapse agent for drilling

The invention relates to an environment-friendly high-temperature-resistant salt-resistant weathered-coal anti-collapse agent for drilling. The agent is prepared through the following steps: superfine grinding, in-situ catalytic oxidation, liquid-solid separation, sulfonation reaction, alkylation re...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XU GUANGYONG, CUI GANGYAN, ZHOU XIAPING, WANG YUNUO, MA BAIYU, CUI JUNYAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON 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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