Hydraulic energy-storage petroleum drilling and repairing machine capable of tripping double joints or three-joint unit

The invention discloses a hydraulic energy-storage petroleum drilling and repairing machine capable of tripping double joints or a three-joint unit, which mainly consists of an upright guide frame (derrick), a truss-type lifting stand column, a long-journey multi-cavity composite oil cylinder or oil...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TANG RUIJIANG, LIU KAIYIN, TAO JI, GU SHAN, NIE WENBIN, CHEN QINGBO
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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