Title:
Perforating device and method of perforating wells
United States Patent 2927534


Inventors:
Bus, Jake LE. H.
Application Number:
US56350656A
Publication Date:
03/08/1960
Filing Date:
02/06/1956
Assignee:
PGAC DEV COMPANY
Primary Class:
Other Classes:
89/1.15, 175/4.6
International Classes:
E21B43/117; F42B3/08
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US Patent References:
Foreign References:
FR1023832A1953-03-24
GB701074A1953-12-16