Methods and apparatus to control downhole tools

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

E - Fixed Constructions

21

B

E21B 23/14 (2006.01) E21B 31/107 (2006.01) E21B 7/06 (2006.01) E21B 47/12 (2006.01)

Patent

CA 2643187

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 (110) disposed in the body and movable in relation to the body. A conducive wire (135) runs the length of the body and permits signals and/or power to be transmitted through the body as the tool changes its length.

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