Volume compensated shifting tool

Details Volume compensated shifting tool Volume compensated shifting tool

2005-12-27

2005-12-27

Neuder, William (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S322000, C166S332100

Reexamination Certificate

active

06978842

ABSTRACT:
The present invention provides for an apparatus and method of use for a hydraulic shifting tool to be used in a sealed volume in a subsurface well completion to actuate a downhole device, without a fluid return to surface or the well annulus.

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patent: 6012518 (2000-01-01), Pringle et al.
patent: 6068015 (2000-05-01), Pringle
patent: 6290004 (2001-09-01), Evans
patent: 6308783 (2001-10-01), Pringle et al.
patent: 6523613 (2003-02-01), Rayssiguier et al.
patent: 1018593 (2000-07-01), None
patent: 2392937 (2004-03-01), None

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