Pipe connection device

Details Pipe connection device Pipe connection device

E - Fixed Constructions

21

B

E21B 19/20 (2006.01) E21B 7/04 (2006.01) E21B 7/12 (2006.01) E21B 7/28 (2006.01) E21B 19/18 (2006.01) F16L 1/20 (2006.01) F16L 1/26 (2006.01)

Patent

CA 2076367

An apparatus and method for underwater aligning and connecting of two pipes used in directional drilling and particularly trenchless beach crossings. An alignment cable is connected between the ends of the two pipes and is tensioned to bring them into axial alignment. A rigid supporting platform is positioned on the sea floor. Securing clamps are mounted on the platform to align the two pipes. To thread the pipes, one pipe rotates about the joint axis.

Cette invention concerne une méthode et un dispositif d'alignement et de raccordement de deux tuyaux immergés pour les fins d'opérations de forage directionnel et, en particulier, de fonçage horizontal. Un câble d'alignement est établi entre les deux tuyaux à assembler puis tendu pour amener ceux-ci en alignement axial. Une plate-forme support rigide placée sur le fond comporte des colliers de serrage servant à maintenir les tuyaux en alignement. Pour assembler les deux tuyaux filetés, on fait tourner l'un des deux autour de son axe de révolution.

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