Well flow line choke

Details Well flow line choke Well flow line choke

1983-07-22

1987-12-15

Schwadron, Martin P.

Fluid handling

With casing, support, protector or static constructional...

Jacketed

251362, 251903, F16K 2504

Patent

active

047125799

ABSTRACT:
In a fluid flow line from a well in the earth, a choke means is employed to restrict the flow of fluids through that line. The choke has a body with apertures therein for passing fluid therethrough and an insert means in one of the apertures of the body which mates with a movable means for creating the choking restriction. The insert means extends to the fluid outlet end of the body of the choke and for a finite distance beyond and outside the body of the choke so that any blast effect that may occur due to pressure change inside the insert means is transferred by the insert means outside of the body of the choke before being released. A preferentially consumable blast receiving means is removably carried by the body of the choke at the fluid outlet end thereof and around the portion of the insert means that extends outside the body of the choke to thereby receive any such blast effect and be preferentially sacrificed to save and increase the operating life of the choke itself and any piping and valve means that may be employed downstream of the outlet end of the choke.

REFERENCES:
patent: 1802766 (1931-04-01), Kerr
patent: 2091874 (1937-08-01), Neuhaus
patent: 3894562 (1975-07-01), Moseley, Jr. et al.
patent: 4413646 (1983-11-01), Platt et al.

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