Downhole trigger apparatus

Details Downhole trigger apparatus Downhole trigger apparatus

2008-02-20

2009-10-13

Gay, Jennifer H (Department: 3676)

Wells

Packers or plugs

With expanding anchor

C166S125000, C166S181000

Reexamination Certificate

active

07600565

ABSTRACT:
Disclosed herein is a downhole triggering tool. The tool includes a tool-engaging portion movable from a first position to a second position under the action of an external force, and a release mechanism for selectively permitting movement of the tool-engaging portion from the first position to the second position, the tool-engaging portion is restrained against the external force by the release mechanism through a plurality of force reducing mechanisms.

REFERENCES:
patent: 3837403 (1974-09-01), Mott
patent: 6896049 (2005-05-01), Moyes
patent: 7000705 (2006-02-01), Buyers et al.
patent: WO 02/04783 (2002-01-01), None
Halliburton, Data Acquisition Services, Mar. 2005. 28 pages.
Nan Gall Energy, Trigger, Main Features, date unknown, 2 pages. Retrieved online on Oct. 10, 2008 from: http://www.nangall.com/products/inteli—triggers/trigger.htm.
Nan Gall Energy, Electronic Timer, Main Features, date unknown, 1 page Retrieved online on Oct. 10, 2008 from: http://www.nangall.com/products/inteli—triggers/Electronic—Timer.htm.

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