Casing head
United States Patent 3134610
US Patent References:
Casing head
- - 2187839

Wellhead assembly
- - 2532662

Well pipe elevator
- - 2563851

Pipe hanging apparatus
- - 2874437


Inventors:
Musolf, Herbert G.
Publication Date:
05/26/1964
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Assignee:
Musolf, Herbert G.
Primary Class:
285/3
Other Classes:
166/88.300, 285/123.300, 285/123.600
International Classes:
E21B33/04; E21B33/03