Oriented valve and latch for side pocket mandrel

Details Oriented valve and latch for side pocket mandrel Oriented valve and latch for side pocket mandrel

1990-11-26

1991-10-22

Melius, Terry L.

Wells

Means for guiding insertable element laterally of well axis

Secured in operative position by movable means engaging well...

166169, 166238, E21B 2303

Patent

active

050586700

ABSTRACT:
In accordance with an illustrative embodiment of the present invention, a gas lift valve that is latched by a latch assembly into a seating bore in a side pocket mandrel includes a guide flange that is recieved in a slot in an internal wall of the mandrel. The guide flange functions to precisely rotationally orient and to stop the insertion of the valve within its seating bore such that a lateral gas outlet port in the valve body is directed inward toward the main bore of the mandrel. A frictional restraint also is provided to prevent accidental release of the latch assembly.

REFERENCES:
patent: 4273464 (1981-06-01), Scott
patent: 4715441 (1987-12-01), Crawford et al.

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