Open hole cement retaining device

The utility model relates to the technical field of petroleum downhole tools, in particular to an open hole cement retaining device. Comprising a setting tool and a retainer body, the upper end of the retainer body is detachably and fixedly connected with the setting tool, the setting tool comprises...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI ANSONG, LU KONGXIAO, YAO XIANGQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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