Casing hanger

Details Casing hanger Casing hanger

1999-08-27

2000-08-01

Neuder, William

Wells

Above ground apparatus

Inner member anchor or seal with lateral port

166 883, 166368, E21B 1900

Patent

active

060952423

ABSTRACT:
A casing hanger assembly is disclosed which includes a bottom member which centralizes a casing string within a casing head and a top member of a conventional slip-type casing hanger design. The bottom member functions to rigidly centralize the casing string inside the casing head while absorbing any side bending load induced by movements of the casing string. The top member, set on top of the bottom centralizer member, supports and transfers the weight of the casing string to the casing head.

REFERENCES:
patent: 1728432 (1929-09-01), Mildren
patent: 2493556 (1950-01-01), Stone
patent: 2689139 (1954-09-01), Jones et al.
patent: 2690344 (1954-09-01), Allen
patent: 3437356 (1969-04-01), Todd et al.
patent: 5031695 (1991-07-01), Cain et al.
patent: 5467825 (1995-11-01), Vallet

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