POWER TONG INTERLOCK SYSTEM

A control system for a tong for a drilling rig includes a tong motor control valve that is selectively actuatable to cause rotation of the tong in a first direction or in a second direction, a run/pull mode selector configured to actuate between a first configuration for running tubulars into a well...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Frederick, Andre, Webre, Charles M, Neuville, Dax Joseph, Thibodeaux, Joshua
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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