Spherical Ball Skate for Continuous Well String Injectors

A skate for an injector apparatus in which gripper dies on a pair of endless chains driven around respective closed loop paths on different sides a continuous wellbore string are forced against the continuous string by forcing a set of the skates toward theretoward from inside the closed loop paths...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUBBINS MARTIN E. C, LARSEN SVEN W
Format:	Patent
Sprache:	eng
Schlagworte:	CAPSTANS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HAULING HOISTING HOISTS LIFTING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS TACKLES, e.g. PULLEY BLOCKS TRANSPORTING WINCHES
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