E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01) E21B 34/06 (2006.01) E21B 43/04 (2006.01)
Patent
CA 2390889
An in-line flow control device for a well chokes flow through a conduit while allowing access therethrough.
Morris Arthur J.
Pringle Ronald E.
Schlumberger Canada Limited
Smart & Biggar
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