Direction control assembly for directional drilling of wellbore

The direction control assembly includes a housing having a longitudinal axis, a mandrel having a front connecting end and a rear connecting end, the mandrel passing through the housing and being arranged in a first position coaxial with the longitudinal axis of the housing, the deflector device is c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FARRA, JOHN, HARRISON, JR, LASATER JEFFREY BOWDEN, SUTHERLAND GEORGE BRIAN, ALTHOFF GARY DEAN
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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