Underground fishing tool

The utility model discloses an underground fishing tool, and belongs to the technical field of oil and gas development. Comprising a fishing spear, a drill rod joint and an outer barrel, and a plurality of outer fishing hooks are arranged on the fishing spear; the upper end of the outer barrel body...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HU BING, ZHENG XINGHUA, SONG YONGPENG, CHEN WEIBAO, WU LEQUAN, YANG YI, TAN JIANGUO, ZHOU PENGFEI, LI YONGCHAO, LI XIAOWEN
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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