Title:
Perforating devices
United States Patent 2980017
Inventors:
Castel, Jacques H.
Application Number:
US37083353A
Publication Date:
04/18/1961
Filing Date:
07/28/1953
Assignee:
PGAC DEV COMPANY
Primary Class:
Other Classes:
89/1.15, 102/310, 102/313, 166/55.1
International Classes:
E21B43/117
View Patent Images:
US Patent References:
2749840Gun perforators for wells1956-06-12
2742857Gun perforators1956-04-24
2708408Well perforating device1955-05-17
2669928Perforating device for wells1954-02-23
2629325Jet type perforating unit1953-02-24
2494256Apparatus for perforating well casings and well walls1950-01-10
2433231Externally fired perforating gun1947-12-23
2418486Gun perforator1947-04-08
2402153Gun perforator1946-06-18
0866838N/A1907-09-24
Foreign References:
AT146615B1936-07-25
FR1023832A1953-03-24