Cutting tool for cutting well casing
Patent
·
OSTI ID:7017420
This patent describes a cutting tool mounted for rotation within a well for cutting a casing therein during rotation. It comprises: a tubular cutter body having a longitudinally extending slot therein and adapted to be connected to a well string for being lowered within a well and being surrounded by casing to be cut; an elongate cutter arm received within the slot and having a cutting means adjacent its lower end; means on the cutter body mounting the upper and portion of the cutter arm in the slot for pivotal movement to permit the outward swinging movement of the cutting means into cutting contact with the inner periphery of the adjacent casing to be cut; and means associated with the cutting tool and selectively actuated at a predetermined well depth to move the lower end of the arm outwardly for the cutting means to engage the casing in a cutting operation; and a plurality of cutting inserts.
- Assignee:
- Tri-State Oil Tool Industries, Inc., Bossier City, LA
- Patent Number(s):
- A; US 4887668
- Application Number:
- PPN: US 6-927512A
- OSTI ID:
- 7017420
- Country of Publication:
- United States
- Language:
- English
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