Divide and annotate tubular column with testing a nipple joint

The utility model relates to an oil extracting worker journey layering water injection technology field, in particular to well bridge type off -centre of shaking out are prevented returning and are told divide and annotate tubular column with testing a nipple joint. The device's coupling lower...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QU RUISONG, TIAN MI, WANG LILI, WANG LIMIN, TANG YONGJIANG, LIU YING, WU QINGLI, WANG ZHEN, ZHAO YANQIU, TANG PINGBANG, LIU TAO
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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