Expandable gage ring

Details Expandable gage ring Expandable gage ring

2009-08-27

2011-12-27

Wright, Giovanna (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S196000, C166S118000, C277S340000

Reexamination Certificate

active

08083001

ABSTRACT:
A gage ring assembly to provide support to an anti-extrusion containment ring in a packer device including a compression ring and a plurality of interlocking arcuate segments which form a substantially unbroken support wall when in a set condition. A first set of segments each have a wedge-shaped body that is wider at a proximal axial end than it is at its distal axial end. A second set of segments preferably each have a wedge-shaped body wider at its distal axial end than it is at its proximal axial end.

REFERENCES:
patent: 180169 (1876-07-01), Tasker
patent: 2966216 (1960-12-01), Bigelow
patent: 4311196 (1982-01-01), Beall et al.
patent: 4852394 (1989-08-01), Goans
patent: 6598672 (2003-07-01), Bell et al.
patent: 7387158 (2008-06-01), Murray et al.
patent: 2007/0131413 (2007-06-01), Millet et al.

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