Cutting tool for removing materials from well bore

Patent · Tue Oct 22 04:00:00 EDT 1991

OSTI ID:6006849

Lynde, G D; Harvey, Jr, H H

This patent describes a cutting tool adapted to be positioned downhole in a well bore for removing a metal member from the well bore; a tool body adapted to be received within said well bore and to be supported at its upper end for rotation about a longitudinal axis; blades at spaced intervals on the body and extending outwardly therefrom, each of the blades having a base with a leading surface relative to the direction of rotation; closely spaced cutting elements of hard cutting material secured to said leading surface of the base in a plurality of transversely extending rows, each cutting element being of a predetermined size and shape and arranged in a predetermined generally symmetrical pattern on the base relative to the other elements, each of said cutting elements having an exposed from cutting face forming a cutting surface, a rear face secured to the leading surface of said base, a peripheral surface extending between said faces, and a relatively sharp edge formed at the juncture of the front face and peripheral surface; the front cutting face of each cutting element being arranged and constructed for directing an extending end portion of a turning cut form said member to effect a breaking of said turning from the member being cut in a predetermined manner to minimize interesting of the turning.

• Assignee: Tri-State Oil Tools, Inc., Bossier City, LA (USA)
• Patent Number(s): A; US 5058666
• Application Number: PPN: US 7-621063
• OSTI ID: 6006849
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
440400 -- Well Logging Instrumentation
47 OTHER INSTRUMENTATION
CUTTING TOOLS
CUTTINGS REMOVAL
OIL WELLS
REMOVAL
TOOLS
WELLS