Hanging apparatus
United States Patent 3011806
US Patent References:
Rotary slip
- - 1533362
Wellhead sealing arrangement
- - 2496190
Seal assembly and casing head combination
- - 2508003
Pipe hanger and sealing structure for well heads
- - 2689139
Sealing and hanging assembly
- - 2690344
Rotary slip
- - 1533362
Wellhead sealing arrangement
- - 2496190
Seal assembly and casing head combination
- - 2508003
Pipe hanger and sealing structure for well heads
- - 2689139
Sealing and hanging assembly
- - 2690344
Inventors:
Herbert, Allen
Oliver, John P.
Oliver, John P.
Publication Date:
12/05/1961
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Export Citation:
Assignee:
CAMERON IRON WORKS INC
Primary Class:
Other Classes:
403/281
International Classes:
E21B33/04; F16L39/00; E21B33/03