Multiple cutting tool
United States Patent 3331439
US Patent References:
/0598805.html
- - 0598805

Rotary reamer
- - 1686403

Hydraulic expansive reamer
- - 1993182

Device for removing casing sections
- - 2275946

Wire line pipe cutter
- - 2309225


Inventors:
Lawrence, Sanford
Publication Date:
07/18/1967
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Assignee:
Lawrence, Sanford
Primary Class:
166/55.800
Other Classes:
175/269, 175/285
International Classes:
E21B29/00
US Patent References:
2482674Casing cutter apparatus
2663546Rotary drill bit and cutter
2709490Tool for severing and milling away a section of casing in the bore of a well
2899000Piston actuated casing mill
3050122Formation notching apparatus