Patent ID: 7059881
Filing Date: 2006-06-13
Classification: E21B,G01V

Abstract:
1. A tubing string adapted to bend at a known radius comprising: a first length of composite coiled tubing having one or more embedded communication lines and a diameter of not more than 0.06 of the known radius; a second length of composite coiled tubing having one or more embedded communication lines and a diameter substantially equal to the diameter of said first length of composite coiled tubing; a connector having an overall length of not more than 0.25 of the known radius and disposed between said first and second lengths of composite coiled tubing and adapted to transfer tension loads, torque loads, and communication signals between said lengths of composite coiled tubing; a male end attached to said first length of composite coiled tubing and comprising a male end threaded connector; and a female end attached to said second length of composite coiled tubing and comprising a female end threaded connector, wherein the male end threaded connector and the female end threaded connector are adapted to rotatably engage without rotating said first or second lengths of composite coiled tubing.