Well casing liner suspension hanger

Wells – Expansible anchor or casing – Liner hanger

Patent

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Details

2483121, E21B 5304

Patent

active

053378091

ABSTRACT:
A suspension hanger for suspending liner pipe inside a well casing for purposes of relining or repair is disclosed having a top annular member to mount on the output end of the casing and a bottom annular member for seating a string of liner pipe. The bottom member is suspended from the top member by suspension strips. The length of the devise and therefore the depth of suspension of the liner pipe can be varied by adding or deleting suspensions strips.

REFERENCES:
patent: 4014506 (1977-03-01), Hanson
patent: 4418883 (1983-12-01), Cohen
patent: 5058839 (1991-10-01), Stevens

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