Title:
Detonation of unprimed base charges
United States Patent 2867172
Inventors:
Hradel, Joseph R.
Publication Date:
01/06/1959
Export Citation:
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Assignee:
Hradel, Joseph R.
Primary Class:
102/310
Other Classes:
86/20.15, 149/92, 166/299
International Classes:
F42D1/00; F42D1/10; F42D1/00
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US Patent References:
2708876Ring detonation process for increasing productivity of oil wells
2704515N/A
2703528Blasting process
2504611Pressure reduction chamber and unloading valve for explosives
2494256Apparatus for perforating well casings and well walls
2463709Ammonium nitrate explosive
2420201Blasting cap
2316596Shooting wells
2171416Method of treating a producing formation
Foreign References:
GB701074A