Wellhead lifting nipple shackle device

The utility model relates to a wellhead lifting nipple shackle device which comprises a ground anchor vehicle clamping head, a drill rod nipple, a fixator and buckles, the ground anchor vehicle clamping head is clamped above the drill rod nipple, the fixator is arranged at the lower end of the drill...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAN ZHIGUO, HUANG TENGXUN, LI YONGGANG, ZHEN KELI, CHEN XIAOHU, XIANG YUDI, XIANG ZHENSHENG, YIN WEIWEI, DUAN SIYANG, XIANG CHUNFEN
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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