Large-pore composite plugging system and preparation method thereof

The invention provides a large-pore composite plugging system and a preparation method thereof, belonging to the technical field of oil exploitation. The large-pore composite plugging system comprises amphoteric polyacrylamide solution with concentration of 0.2-0.5wt%, a flocculation agent solution...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUO HONGWEI, ZHAO LING, CHEN LEI, WANG LVSHAN, TANG YANYAN, JIN YANXIN, ZHANG DONGHUI, DU LIBIN, LIU CHENGJIE, GAO SHENGWEI, SHANG ZHAOHUI, YANG SHENGXIAN, TIAN YUQIN, ZHANG GUANGYAN
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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