Totally encapsulated type antiseptic sucker rod specific elevator and using method thereof

The invention relates to a totally encapsulated type antiseptic sucker rod specific elevator and a using method thereof. The totally encapsulated type antiseptic sucker rod specific elevator comprises an elevator body, a loose piece, a closing piece, a closing piece shaft, a loose piece shaft and a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	DU HONGRONG, TANG YANPING, GAO XIAO, ZOU YOUHENG, WANG MINGJIANG, LIU XINZHONG, ZENG QIUZHI, SUN WEIQIANG
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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