Wrenching tong

Details Wrenching tong Wrenching tong

2011-01-04

2011-01-04

Wilson, Lee D (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057110, C081S057350

Reexamination Certificate

active

07861618

ABSTRACT:
A method of coupling a tool to a length of tubular comprises securing the tool in a basket; lowering a tong arrangement having a rotary part and a stationary part, relative to the basket to engage respective locking members of the tong arrangement and the basket, thereby fixing the basket and the tool relative to the stationary part of the tong arrangement; and rotating the length of tubular using the rotary part of the tong arrangement so as to couple the tool to the length of tubular. A torque measuring flange may be associated with the tong arrangement. The torque measuring flange comprises a top plate and a bottom plate and one or more cylinders disposed between one or more wedges, whereby rotating the top plate causes the wedges to compress a piston in the cylinder.

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