Wellbore junction assembly

Details Wellbore junction assembly Wellbore junction assembly

E - Fixed Constructions

21

B

E21B 41/00 (2006.01) E21B 29/06 (2006.01)

Patent

CA 2526376

A well comprising a primary wellbore and a secondary wellbore leading from said primary wellbore wherein a juncture is formed therebetween, said juncture lined with a tubular member extending from said primary wellbore into said secondary wellbore, characterised in that a stabiliser is provided for, in use, stabilising a mill milling an opening in said tubular into said primary wellbore. A method for milling an opening in a tubular in a well of the present invention, the method comprising the step of milling an opening in said tubular member whilst being stabilised or guided by said stabiliser. The invention also provides a tubular member, a mill, a stabiliser and a system for milling an opening in a tubular in a well of the invention.

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