Method and apparatus for friction reduction in a downhole tool

Details Method and apparatus for friction reduction in a downhole tool Method and apparatus for friction reduction in a downhole tool

E - Fixed Constructions

21

B

E21B 17/10 (2006.01) E21B 23/00 (2006.01) E21B 23/08 (2006.01)

Patent

CA 2550096

A system for facilitating the insertion of a tool into a wellbore, especially a non-vertical wellbore. In one embodiment a tool is fixable in a wellbore and includes centralizing, friction-reducing members that serve to keep the body of the tool off the walls of the wellbore. In another embodiment the tool includes a wiper ring that partially fills an annular area formed between the centered tool and the wellbore walls. The surface of the ring facing the upper end of the wellbore provides fluid resisting piston surface and permits the centered tool to be pumped down the wellbore more effectively.

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