I-T-H pipe cutting tool

Details I-T-H pipe cutting tool I-T-H pipe cutting tool

1988-04-04

1989-03-07

Novosad, Stephen J.

Wells

Means for perforating, weakening, bending or separating pipe...

Cutter rotates circumferentially of pipe

30108, 83184, 83187, 83676, 166 558, E21B 2900

Patent

active

048097756

ABSTRACT:
A pipe cutting tool especially adapted to cut the interior of in-the-hole (I-T-H) drill pipe to allow subsequent removal of the pipe above the cut. Due to blasting damage, long sections of I-T-H pipe, otherwise in good condition, cannot be removed because the damaged section prevents the removal of the entire drill string. The tool is adapted to receive power from an external source and includes a frame, a pivoted motor and cutter, and an actuator for pivoting the motor.

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patent: 4524511 (1985-06-01), Montiero
patent: 4574672 (1986-03-01), Ehm et al.
patent: 4601223 (1986-07-01), Choby
patent: 4701988 (1987-10-01), Wood

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