Well string cutting apparatus

Details Well string cutting apparatus Well string cutting apparatus

1985-07-29

1987-03-03

Leppink, James A.

Wells

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

Perforating or splitting cutter

166 558, 175286, E21B 2900

Patent

active

046468269

ABSTRACT:
A well cutting tool for cutting casing in a well bore having a cutter body and at least one cutting arm pivotally mounted in a longitudinally extending slot of the cutter body. The cutting arm has removable and replaceable cutting inserts positioned along its outer front surface and its lower end surface. A removable and replaceable projection on the upper end of the cutter arm is provided for contact by a fluid pressure actuated piston for outward pivoting of the cutter arm into cutting position.

REFERENCES:
patent: 2859943 (1958-11-01), Chadderdon
patent: 2940522 (1960-06-01), Taylor et al.
patent: 3195636 (1965-07-01), Cordary et al.
patent: 3331439 (1967-07-01), Sanford
patent: 4550781 (1985-11-01), Kagler, Jr.

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