Title:
Well perforating apparatus
United States Patent 2981185
US Patent References:
Sectional rod
- - 1598293

Apparatus for perforating well casings
- - 2026061

End fastening for wire rope
- - 2151837

Well explosive
- - 2616370

Snatch block
- - 2633329


Inventors:
Caldwell, Blake M.
Publication Date:
04/25/1961
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Assignee:
JET RES CT INC
Primary Class:
175/4.530
Other Classes:
175/4.600, 89/1.150, 166/55
International Classes:
E21B43/117; F42B3/02; E21B43/11; F42B3/00
US Patent References:
2799224Apparatus for perforating casing
2853944Apparatus for perforating well casing and the like
Foreign References:
GB701074A