Patent ID: 6655460
Filing Date: 2003-12-02
Classification: E21B

Abstract:
A downhole tool comprising:a housing; a mandrel at least partially disposed in the housing and movable in relation to the housing; an actuation mechanism, causing the mandrel to move from a first to a second position within the housing; means for carrying a signal and/or power from a first to a second end of the tool whether the mandrel is in the first or second position within the housing, the signal and/or power running between a surface of a well and at least one other component on a tubular string below the tool; and a coupling at the first and second ends of the tool, the coupling providing a physical connection between the tool and the tubular string and a path for the signal and/or power between the tubular string and the tool, wherein the path for the signal and/or power includes an induction means between the tubular string and the tool.