Apparatus and method for the installation of coiled tubing...

Details Apparatus and method for the installation of coiled tubing... Apparatus and method for the installation of coiled tubing...

E - Fixed Constructions

21

B

E21B 19/22 (2006.01) E21B 33/04 (2006.01)

Patent

CA 2133724

A dognut for use in the installation of a string of coiled tubing in an oil or gas well features a construction and assembly which enables the dognut to be installed on the tubing, the dognut and tubing to be landed in place in the tubing spool, the dognut seal to be activated and the assembly of the dognut, dognut seal, tubing and tubing spool to be pressure tested for leakage prior to cutting the coiled tubing above the dognut and putting the wellhead under pressure from the producing formation. This dognut installation adds to the safety and ease of completing the coiled tubing installation in oil or gas wells.

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