Hanger having locking and sealing means
United States Patent 3287030

Inventors:
Crain, Robert L.
Pierce Jr., Elwood K.
Publication Date:
11/22/1966
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Assignee:
GRAY TOOL CO
Primary Class:
Other Classes:
166/208, 166/348, 166/340, 285/123.100
International Classes:
E21B33/035; E21B33/043; E21B41/10; E21B33/03; E21B41/00
US Patent References:
3096999Pipe joint having remote control coupling means
3098525Apparatus for installing and retrieving equipment from underwater wells
3105552Casing suspension system
3171490Liner hanger and setting tool therefor
3171491Liner hanger and setting tool therefor