Patent ID: 6829968
Filing Date: 2004-12-14
Classification: E21B

Abstract:
A tubular make/break apparatus, comprising:first, second and third wrenches, the second wrench being positioned between the first and third wrenches; with the apparatus in a make operation, the second and either the first or third wrenches are operatively positioned on opposite first and second portions of a threaded joint of a tubular; with the apparatus in a break operation, the second jaw and the other of the first or third wrenches are operatively positioned on opposite first and second portions of a threaded joint of a tubular; a grip hold switch which when positioned in an actuated position by an operator of the apparatus, causes at least one of the wrenches to be held on one of the opposite first and second portions of the threaded joint, continuously between torquing cycles during the make operation; and a grip switch which when actuated by an operator of the apparatus and with the apparatus in the make operation, causes another one of the wrenches to grip on the other of the opposite first and second portions of the threaded joint for a torquing operation, the grip switch can be actuated only when the grip hold switch is in the actuated position.