Valve within a control line

Details Valve within a control line Valve within a control line

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 34/08 (2006.01)

Patent

CA 2508854

The invention is a valve that prevents blow-outs through a control line while simultaneously allowing bi-directional flow or pressure transfer through the control line. The invention comprises a shuttle valve disposed in the control line.

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