Title:
Multiple zone well completion
United States Patent 2934148


Inventors:
Allaire, Frank B.
Application Number:
US65245557A
Publication Date:
04/26/1960
Filing Date:
04/12/1957
Assignee:
CAMERON IRON WORKS INC
Primary Class:
Other Classes:
251/1.3
International Classes:
E21B33/047
View Patent Images:
US Patent References:
2794505Pipe hanging apparatus1957-06-04
2335355Producting equipment for wells1943-11-30
2194255Blowout preventer1940-03-19
2044590Blow-out preventer1936-06-16
1999699Well capping device1935-04-30
1586923Well-drilling equipment1926-06-01