Column pipe catch tool

Details Column pipe catch tool Column pipe catch tool

2009-04-08

2010-02-23

Kramer, Dean J (Department: 3652)

Handling: hand and hoist-line implements

Grapple

Well type

C294S113000

Reexamination Certificate

active

07665785

ABSTRACT:
A catch tool for retrieval of a well column pipe having a pipe wall, the catch tool incorporating a fork having a pair of spaced tines; and a pair of clamping pivot arms connected operatively to the fork, the clamping arms being adapted for, upon the receipt by the tines of the pipe wall, grasping the pipe wall; the clamping arms having proximal and distal ends, the arms being adapted for pivoting movements between first and second positions, the arms' distal ends being displaced away from each other a distance less than the pipe wall's thickness dimension while in the first position, and being carried by the pipe wall to their second positions.

REFERENCES:
patent: 1172180 (1916-02-01), Trevino
patent: 1542099 (1925-06-01), Rogers
patent: 1558902 (1925-10-01), Ligon
patent: 2006949 (1935-07-01), Hockensmith
patent: 2675263 (1954-04-01), Jennings et al.
patent: 3112038 (1963-11-01), Breivik
patent: 3653708 (1972-04-01), Merola
patent: 3926468 (1975-12-01), Kondo
patent: 4671724 (1987-06-01), Bolton

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