Derrick formula coiled tubing centering structure

The utility model relates to a petroleum equipment specifically is the first well head centering structure of injection of a derrick formula coiled tubing equipment, including pouring into first system into and pouring into first moving system into, wherein pour into first system into and be connect...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YAO ZHANWEI, YANG FAHU, ZHANG XINGRONG
Format:	Patent
Sprache:	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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