Cable drift size gauge tool and drifting device

The utility model relates to a drifting technical field in oil field is a cable drift size gauge tool and drifting device, and it includes top connection, a drifting section of thick bamboo and guideshoe, having a top connection at the inboard fixed mounting in the upper end of a drifting section of...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA HAILONG, CUI MEIQIN, WANG HAIFENG, MAO TIANCONG, LI JIAWEN, ZHANG LE
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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