Title:
Method and apparatus for well operations employing hydrogen peroxide
United States Patent 2680487

Inventors:
Carpenter, Paul G.
Publication Date:
06/08/1954
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Assignee:
PHILLIPS PETROLEUM CO
Primary Class:
175/14
Other Classes:
166/59, 175/64, 166/55.100, 175/12, 175/93, 166/64, 148/204, 166/297, 166/223, 175/15
International Classes:
E21B7/14; E21B29/00; E21B43/114; E21B43/11
US Patent References:
2181095Heating torch
2259419Well drilling
2261292Method for completing oil wells
2266208Flame cutting method and apparatus
2283510Method of drilling wells
2315496Perforator for wells
2327498Blowtorch
2327508Blowtorch
2436036Means for severing well casings and the like in place in the well
2525391Apparatus for cutting drill pipes
2571636Removal of metallic obstructions in well borings by oxidation