Portable installation type pulser and fishing tool

The invention provides a portable installation type pulser and fishing tool, and the pulser comprises a pulser main body, the upper end of the pulser main body is fixedly provided with an installation part; moving grooves are formed in the circumferential direction of the mounting part in an array m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI ZHENBAO, ZHANG SHENGPENG, LI YONGYONG, ZHANG LEI, WANG SUKAI, LIU HONGTAO, ZHANG GUIYI, YAN YILIANG
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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