Apparatus for radial expansion of a tubular

Details Apparatus for radial expansion of a tubular Apparatus for radial expansion of a tubular

2007-04-11

2009-02-24

Gay, Jennifer H (Department: 3672)

Wells

Expansible anchor or casing

With wedge or cam and friction drag

C166S207000, C166S212000

Reexamination Certificate

active

07493946

ABSTRACT:
A method and apparatus expand tubulars with a tubular expansion apparatus. In an embodiment, a tubular expansion apparatus includes an expansion swage. In addition, the tubular expansion apparatus includes an actuator. Moreover, the tubular expansion apparatus includes at least two anchors. The tubular expansion apparatus further includes at least one anchor longitudinally moveable relative to the other anchor while both anchors are engaged with the inner diameter of the tubular.

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Office Action for U.S. Appl. No. 11/691,375, filed Aug. 4, 2008.

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