Inductively coupled method and apparatus of communicating...

Details Inductively coupled method and apparatus of communicating... Inductively coupled method and apparatus of communicating...

2007-01-23

2007-01-23

Kreck, John (Department: 3673)

Wells

Processes

Parallel string or multiple completion well

C166S065100, C166S050000

Reexamination Certificate

active

10701325

ABSTRACT:
A method and apparatus that allows communications of electrical power and signaling from downhole component to another downhole component employs an inductive coupler assembly. In one arrangement, one portion of the inductive coupler assembly is attached to a production tubing section and the other portion of the inductive coupler assembly is attached to a casing or other liner section. The production tubing inductive coupler portion is electrically connected to a cable over which electrical power and signals may be transmitted. Such power and signals are magnetically coupled to the inductive coupler portion in the casing or liner section and communicated to various electrical devices mounted outside the casing or liner section. In other arrangements, inductive coupler assemblies may be used to couple electrical power and signals from the main bore to components in lateral branches of a multilateral well.

REFERENCES:
patent: 4262748 (1981-04-01), Kirkland
patent: 5008664 (1991-04-01), More et al.
patent: 5542472 (1996-08-01), Pringle et al.
patent: 5868210 (1999-02-01), Johnson et al.
patent: 5959547 (1999-09-01), Tubel et al.
patent: 0964134 (2006-07-01), None

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