Method for reduction of control lines to operate a...

Details Method for reduction of control lines to operate a... Method for reduction of control lines to operate a...

2011-03-29

2011-03-29

Wright, Giovanna C (Department: 3672)

Wells

Processes

Operating valve, closure, or changeable restrictor in a well

C166S072000, C166S319000

Reexamination Certificate

active

07913766

ABSTRACT:
A method for reducing the number of control lines needed to control a plurality of downhole devices including supplying a first control line in operable communication with a plurality of devices, the plurality of devices including at least one group of devices; supplying a second control line in operable communication with said at least one group of devices; and actuating each device of the plurality of devices in said at least one group of devices simultaneously in response to a pressure event.

REFERENCES:
patent: 7654331 (2010-02-01), Wolters
patent: 2002/0014338 (2002-02-01), Purkis et al.
patent: 2004/0050555 (2004-03-01), Rayssiguier et al.
Weatherford International Ltd., “Weatherford Installs Its First four Zone Simply Intelligent (TM); Next Milestone in Continued commercialization of Hydroptic (TM) Technology”, www.weatherford.com, News Releases, Feb. 24, 2003, Houston, TX, pp. 1-2.
WellDynamics “WellDynamics Contracted for Brunei Installations”, www.rigzone.com, Jul. 23, 2003. p. 1-1.
Ole Henrik Lie, Wayne Wallace, “Intelligent Recompletion Eliminates the Need for Additional Well”, Presentation at 2000 IADC/SPE Drilling conference, IADC/SPE 59210, New Orleans, Louisiana, Feb. 23-25, 2000, IADC/SPE, pp. 1-16.

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