Expanding wellbore junction

Details Expanding wellbore junction Expanding wellbore junction

E - Fixed Constructions

21

B

E21B 33/10 (2006.01) E21B 7/08 (2006.01) E21B 17/08 (2006.01) E21B 29/06 (2006.01) E21B 33/13 (2006.01) E21B 41/00 (2006.01) E21B 43/10 (2006.01)

Patent

CA 2427034

An expanding wellbore junction system, apparatus and methods are provided for forming a sealed wellbore intersection in a subterranean well. In one described method, an expandable wellbore junction is expanded within an under-reamed cavity in a wellbore. Intersecting tubular legs of the wellbore junction are then drifted using a drifting apparatus. A deflection device may be used to direct a drift of the drifting apparatus into a selected one of the wellbore junction legs.

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