Pipe hanging apparatus for use in multiple completed wells
United States Patent 3078921

Inventors:
Edwards, Jack H.
Publication Date:
02/26/1963
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Assignee:
JERSEY PROD RES CO
Primary Class:
166/97.100
International Classes:
E21B33/047; E21B33/03
US Patent References:
2134200Plug valve casing head
2673615Combined well head and christmas tree structure
2766830Control heads
2794505Pipe hanging apparatus
2859773Dual bore valve