Pipe column screwing-on and screwing-off automation device

The invention provides an automatic pipe column screwing-on and screwing-off device, and relates to the field of oil field operation equipment. The automatic pipe column screwing-on and screwing-off device comprises a hydraulic oil pipe holding and clamping device and a hydraulic oil pipe screwing-o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HU SHENGJIE, WANG SHUO, CHEN CONG, CAI HONGXING, CUI LAN, ZHOU WEI, DUAN BAOCHANG, WANG QIANG, ZHAO JINGYAN, CONG RIDONG
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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