E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/06 (2006.01) E21B 49/08 (2006.01)
Patent
CA 2568365
An assembly having plural valves is run into a wellbore having plural zones, where each of the valves is actuatable by dropping a valve-actuating object into the corresponding valve. The valves are successively actuating, in a predetermined sequence, to an open state. The zones are successively tested after actuating corresponding valves to the open state.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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