Liner and reinforcing swage for conduit in a wellbore and method

Details Liner and reinforcing swage for conduit in a wellbore and method Liner and reinforcing swage for conduit in a wellbore and method

1974-08-29

1976-04-06

Novosad, Stephen J.

Wells

Processes

Repairing object in well

166207, 166 63, 166217, E21B 2304, E21B 4310

Patent

active

039483215

ABSTRACT:
Method and apparatus for emplacing a liner in a conduit in a well penetrating subterranean formations characterized by suspending at a predetermined depth in the well at least one annular liner having an annular body portion and an adjacent, concentrically disposed swage means that is adapted for being driven interiorly of the body portion for expanding the latter outwardly into contact with the conduit; firing a setting tool in the method to drive the swage means concentrically interiorly of the body portion; and removing the setting tool, leaving the swage and the body portion set in the conduit with a large bore penetrating longitudinally thereof. Also disclosed are straddle patches having a liner at each end, either set in a unitary operation or set by a two-step operation; other combinations employing the liners and the specific apparatus for setting the liners.

REFERENCES:
patent: 3186485 (1965-06-01), Owen
patent: 3191677 (1965-06-01), Kinley
patent: 3412565 (1968-11-01), Lindsey et al.
patent: 3498376 (1970-03-01), Sizer et al.
patent: 3669190 (1972-06-01), Sizer et al.
patent: 3712376 (1973-01-01), Owen et al.
patent: 3746091 (1973-07-01), Owen et al.
patent: 3776307 (1973-12-01), Young

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