Apparatus for installing and removing flow valves

Details Apparatus for installing and removing flow valves Apparatus for installing and removing flow valves

1976-05-17

1978-12-26

Purser, Ernest R.

Wells

Means for guiding insertable element laterally of well axis

E21B 2300

Patent

active

RE0298700

ABSTRACT:
An apparatus for installing and removing flow valves in a well tubing having a plurality of valve receiving side pockets offset from the main bore by providing an orientation sleeve for directing a guide key of a valve handling apparatus in the sleeve, and a shoulder in the sleeve for actuation of the valve handling apparatus. A valve handling apparatus including a support body supporting a longitudinally movable body which includes a guide key pivotally connected at its lower end and yieldably urged outwardly by spring means so that the guide key will readily pass downwardly through any number of orientation sleeves and can selectively install or remove a valve in or from any desired vertically positioned mandrel.

REFERENCES:
patent: 2828698 (1958-04-01), Bryan
patent: 2942671 (1960-06-01), Schramm
patent: 2948341 (1960-08-01), Fredd
patent: 2988146 (1971-06-01), Fredd
patent: 3353607 (1967-11-01), Kinley
patent: 3353608 (1967-11-01), Beebe et al.

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