Gun perforators for wells
United States Patent 2749840
US Patent References:
/0122654.html
- - 0122654

/0316137.html
- - 0316137

/1298500.html
- - 1298500

Well-exploding device
- - 1541790

Means for cutting oil-well casings and drill pipe
- - 1641483


Inventors:
Earl, Babcock
Publication Date:
06/12/1956
View Patent Images:
Assignee:
EXXON RESEARCH ENGINEERING CO
Primary Class:
Other Classes:
102/319, 175/4.510, 175/4.560, 89/1.150
International Classes:
E21B43/117; F42B3/08; F42D5/045; E21B43/11; F42B3/00; F42D5/00
US Patent References:
2058287Bore hole device and method of its use
2307360Well perforating gun
2436036Means for severing well casings and the like in place in the well
2494256Apparatus for perforating well casings and well walls
2453814Pediatric syringe
2577625Retractable side wall core barrel
2669928Perforating device for wells