Tubing expansion

Details Tubing expansion Tubing expansion

2004-06-16

2008-05-06

Neuder, William P. (Department: 3672)

Wells

Expansible anchor or casing

Expansible casing

C166S380000, C166S384000, C166S277000

Reexamination Certificate

active

07367389

ABSTRACT:
There are disclosed methods and apparatus for expanding tubing downhole.In one embodiment, there is disclosed a method of expanding downhole tubing such as a liner (10), the method comprising the steps of locating the liner (10) in a borehole (12), expanding a part (16) of the liner (10) in the borehole (12), locating an expansion device such as an expandable cone (18) in said expanded part (16) of the liner (10), and translating the cone (18) relative to the liner (10) to expand a further part (20) of the liner (10).

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