Explosive apparatus
United States Patent 2797892
US Patent References:
/1257525.html
- - 1257525
Cable cutting method and device
- - 2415814
Apparatus for perforating well casings and well walls
- - 2494256
Sheath for explosives
- - 2499440
Device for detonating explosives in oil wells
- - 2506836
/1257525.html
- - 1257525
Cable cutting method and device
- - 2415814
Apparatus for perforating well casings and well walls
- - 2494256
Sheath for explosives
- - 2499440
Device for detonating explosives in oil wells
- - 2506836
Inventors:
Ryan, Martin A.
Publication Date:
07/02/1957
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Export Citation:
Assignee:
PHILLIPS PETROLEUM CO
Primary Class:
Other Classes:
175/315, 175/4.600, 102/307
International Classes:
E21B7/00; F42D5/045; F42D5/055; F42D5/00
US Patent References: