Reset device of hydraulic anchor releasing tool

The invention provides a hydraulic unanchoring tool resetting device, and relates to the field of underground perforation hole channel depth detection for oil and gas wells. The hydraulic unanchoring tool reset device comprises a push cylinder installed at the top of a hydraulic unanchoring tool, th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YU QIULAI, MA QUN, YU KAIXUN, HUANG JIN, WANG SHUSHEN, CAI SHAN, YANG KUN, MIAO JIUCHANG, ZHANG WEIMIN, YU JIANG
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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