Flow control apparatus for use in a subterranean well and...

Details Flow control apparatus for use in a subterranean well and... Flow control apparatus for use in a subterranean well and...

E - Fixed Constructions

21

B

E21B 43/12 (2006.01) E21B 34/06 (2006.01) E21B 34/10 (2006.01) E21B 34/12 (2006.01) E21B 34/14 (2006.01)

Patent

CA 2243793

A flow control apparatus and associated methods of using provide enhanced longevity and reliability without requiring complex mechanisms. In a described embodiment, a choke for use within a subterranean well has multiple trim sets which may be individually selected by manipulation of a sleeve relative to an inner tubular cage. In another described embodiment, a single trim set is provided. Additional features include provision of a separate valve to selectively permit or prevent fluid flow through the single or multiple trim sets.

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