Methods and apparatus to control downhole tools

Details Methods and apparatus to control downhole tools Methods and apparatus to control downhole tools

2006-04-11

2006-04-11

Bagnell, David (Department: 3672)

Wells

With electrical means

C166S178000, C166S301000, C175S321000, C175S040000, C340S854400

Reexamination Certificate

active

07025130

ABSTRACT:
The present invention generally provides a downhole tool with an improved means of transmitting data to and from the tool through the use of wired pipe capable of transmitting a signal and/or power between the surface of the well and any components in a drill string. In one aspect, a downhole tool includes a body, and a mandrel disposed in the body and movable in relation to the body. A conducive wire runs the length of the body and permits signals and/or power to be transmitted though the body as the tool changes its length.

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