Method and apparatus for reduction of control lines to...

Details Method and apparatus for reduction of control lines to... Method and apparatus for reduction of control lines to...

2006-02-13

2010-02-02

Wright, Giovanna C (Department: 3672)

Wells

Processes

Operating valve, closure, or changeable restrictor in a well

C166S072000, C166S319000

Reexamination Certificate

active

07654331

ABSTRACT:
A control system for a plurality of devices including a plurality of devices in at least one group. A first control line is in operable communication with the plurality of devices. A second control line in operable communication with the at least one group. A step-advance mechanism is in operable communication with each of the plurality of the devices, each mechanism being distinct from each other mechanism within the group of devices. Further disclosed herein is 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 including at least one group of devices and supplying a second control line in operable communication with the at least one group.

REFERENCES:
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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