Mill-through tailpipe liner exit

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 7/08 (2006.01) E21B 29/06 (2006.01) E21B 33/127 (2006.01)

Patent

CA 2688186

A method and apparatus for forming a window in the wall of a tubular wellbore. In one embodiment described herein, a down hole apparatus for forming a window in the wall of a wellbore utilizing a plurality of tubing string sections and a thick tailpipe positioned at the down hole end of a tubing section.

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