Tong positioning system and method

Details Tong positioning system and method Tong positioning system and method

2005-11-22

2005-11-22

Walker, Zakiya (Department: 3672)

Wells

Processes

Assembling well part

C166S077510, C081S057200

Reexamination Certificate

active

06966385

ABSTRACT:
A tong positioning system positions a power tong about an oilfield tubular connection to make up or break out a threaded connection. An extendable arm and a retainer device on the extendable arm. In a preferred embodiment, the retainer device comprises opposing laterally-movable retainer arms defining an adjustable opening for at least partially enclosing one of the upper tubular and the lower tubular. The extendable arm is retractable for thereafter moving the power tong laterally toward the tubular connection.

REFERENCES:
patent: 4843945 (1989-07-01), Dinsdale
patent: 6591471 (2003-07-01), Hollingsworth et al.

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