MODULAR TOP DRIVE

A modular top drive (1) for construction of a wellbore includes a rail (2), a motor unit (1m) and a pipe handler (1h). The motor unit includes: a body (20), a drive motor (15), a trolley (22) connecting the body to the rail; and a first latch for selectively connecting either a drilling unit (1d) or...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KIESS, Christian, THOMAS, Benson, HELMS, Martin, LIESS, Martin
Format:	Patent
Sprache:	eng ; fre ; ger
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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