Hydraulic excitation type sleeve wall scraping device

The invention belongs to the technical field of petroleum downhole operation equipment, aims to solve the problems that an existing sleeve wall scraping tool is complex in structure and large in operation risk, and provides a hydraulic excitation type sleeve wall scraping device which comprises an u...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN XINYONG, MA XIAOMIN, WANG JIANLONG, YANG KAI, XU MINGLEI, CHEN XINHAI, LI YI, HAN XU, WANG RUI, DONG BINGXIANG, HE YUEFENG, JIANG YAO, ZHANG WEI, LI LIANGLIANG
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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