Title:
Hanging apparatus
United States Patent 3011806
Inventors:
Herbert, Allen
Oliver, John P.
Publication Date:
12/05/1961
Export Citation:
Click for automatic bibliography generation
Assignee:
CAMERON IRON WORKS INC
Primary Class:
285/123.8
Other Classes:
403/281
International Classes:
E21B33/04; F16L39/00; E21B33/03; F16L39/00
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US Patent References:
2920909Hanging apparatus
2874436Slip assembly
2690344Sealing and hanging assembly
2689139Pipe hanger and sealing structure for well heads
2508003Seal assembly and casing head combination
2496190Wellhead sealing arrangement
1533362Rotary slip