Title:
Well casing and tubing suspension assembly
United States Patent 3090640
Inventors:
Otteman, Lloyd G.
Newman, Nicholas B.
Haeber, John A.
Application Number:
US81074159A
Publication Date:
05/21/1963
Filing Date:
05/04/1959
Assignee:
SHELL OIL CO
Primary Class:
Other Classes:
166/75.14, 285/18, 285/123.8
International Classes:
E21B33/04; E21B33/043
View Patent Images:
US Patent References:
2897895Blowout closure device pressure head1959-08-04
2874436Slip assembly1959-02-24
2712455Pressure actuated seal with relief means1955-07-05
2690344Sealing and hanging assembly1954-09-28
2652895Sealing device for well heads1953-09-22
2609836Control head and blow-out preventer1952-09-09
2467822Well packer1949-04-19
2313169Well head assembly1943-03-09
1872105Pressure control head1932-08-16
1853856Well drilling equipment1932-04-12