Coiled tubing logging headstall

A continuous oil pipe well logging bridle comprises an oil pipe connecting mechanism, a circulation control mechanism, a safety release mechanism and an instrument connecting mechanism, the oil pipe connecting mechanism comprises a slip sleeve, a connector and a slip piece, and the circulation contr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHAO QIANG, YU ZHE, WANG XIAOQIANG, ZHANG PENG, SHAO YONG, SHA YUZHUO
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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