Method and apparatus for perforating multiple wellbore...

Details Method and apparatus for perforating multiple wellbore... Method and apparatus for perforating multiple wellbore...

E - Fixed Constructions

21

B

E21B 43/11 (2006.01) E21B 43/119 (2006.01)

Patent

CA 2697424

A bottom hole assembly for one trip perforating and treating a wellbore, the bottom hole assembly including: a tool body including an outer surface and an upper end; a fluid passage extending into the tool body from the upper end; a valve to provide (i) in one orientation fluid access from the fluid passage to an outlet port opening to the outer surface and (ii) in another orientation fluid access from the fluid passage to a perforating gun actuation fluid supply channel while sealing fluid access from the fluid passage to the outer surface; an annular sealing member encircling the outer surface below the outlet port; and a perforating gun carried below the resettable, annular sealing member and hydraulically actuable to detonate by fluid communication through the perforating gun actuation fluid supply channel.

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