A viscosity reducer for oil-based mud and a method of reducing viscosity for the oil-based mud

A viscosity reducer for oil-based mud and a method of reducing viscosity for the oil-based mud are provided. The method includes steps of a) adding the viscosity reducer into the oil-based mud, b) injecting the oil-based mud into a well, c) recovering and sampling after the oil-based mud arrives the...

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Bibliographische Detailangaben

Hauptverfasser:	XIA BOHAN, YOU HUIZHEN, ZHOU CHUN, LIU FUCHEN, YANG PENG, YANG ZHENZHOU, LI JIANCHENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES
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