Subsea valve apparatus having hydrate inhibiting injection

Details Subsea valve apparatus having hydrate inhibiting injection Subsea valve apparatus having hydrate inhibiting injection

E - Fixed Constructions

21

B

166/46.2

E21B 33/035 (2006.01) E21B 33/068 (2006.01) E21B 33/076 (2006.01) E21B 34/04 (2006.01) E21B 34/00 (2006.01)

Patent

CA 1085720

ABSTRACT OF THE DISCLOSURE In accordance with an illustrative embodiment of the present invention, a valve placed in a subsea blowout preventer stack during a production test of a well producing gas comprises a valve body containing two valve elements in series and a releas- able control unit. A fluid to inhibit the formation of natural- gas hydrates can be injected into the valve body by means of a pump on the surface and through a high-pressure hose. A lateral connector fixed to the control unit is fitted in a sealed manner into a receptacle on the valve body to allow reconnection of the inhibiting fluid injection system. -1-

306273

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