Downhole flow control devices

Details Downhole flow control devices Downhole flow control devices

E - Fixed Constructions

21

B

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

Patent

CA 2450223

A downhole choke mechanism comprising a cylindrical inner housing having at least one helical groove cut on an outer diameter thereof, a cylindrical outer housing protecting the inner housing and having at least one port therein, and at least one key received in at least one key slot of the inner housing and moveable into the at least one groove to choke flow of a fluid moving in the at least one groove.

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