Casing cutter blade support sleeve

Details Casing cutter blade support sleeve Casing cutter blade support sleeve

1998-06-01

2000-10-03

Tsay, Frank S.

Wells

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

Cutter rotates circumferentially of pipe

166298, 175320, E21B 2900

Patent

active

061259292

ABSTRACT:
A blade support assembly for use with a casing cutter to cut through casing or pipe downhole in a well. A tubular body fits over the casing cutter, with slots aligned with the pivoting cutter blades. Support plates next to each slot provide support for the blades during cutting operations. Torque keys and matching torque slots in the blade support assembly and the casing cutter body transfer torque from the casing cutter body to the blade support assembly, and thence to the blades.

REFERENCES:
patent: 1710580 (1929-04-01), Bus
patent: 1814048 (1931-07-01), Lincoln
patent: 1959284 (1934-05-01), Clark et al.
patent: 2803301 (1957-08-01), Warner et al.
patent: 4889197 (1989-12-01), Boe
patent: 5010967 (1991-04-01), Desai
patent: 5201817 (1993-04-01), Hailey
Tri-State Multi-String Cutters Instruction Manual; Apr., 1985; pp. 1 through 24.

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