Flow valve installation and removal apparatus

Wells – Means for guiding insertable element laterally of well axis

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Details

E21B 2300

Patent

active

040319547

ABSTRACT:
An apparatus for installing and removing flow valve in a well tubing having a plurality of valve receiving side pockets offset from the main bore of the tubing by providing an orientation sleeve with a first slot for directing a guide key of a valve handling apparatus in the sleeve and a second slot intersecting the first slot to assist in removal of debris from the first slot with spaced aligned shoulders in the sleeve at the intersection of the first and second slots for actuation of the valve handling apparatus. The valve handling apparatus includes a support body including an elongated cylindrical body member supporting a movable body comprising an elongated plunger telescopically and nonrotatably arranged in the support body. A guide key is pivotally connected to the support body with spring means yieldably urging it outwardly relative thereto so that the guide key can readily pass downwardly through any number of orientation sleeves but can engage with the first slot of the orientation sleeve immediately thereabove upon an upward movement of the valve handling apparatus in the well string to selectively install and remove a valve in or from any desired mandrel side pocket in the tubing string.

REFERENCES:
patent: 2942671 (1960-06-01), Schramm
patent: 2948341 (1960-08-01), Fredd
patent: 2988146 (1961-06-01), Fredd
patent: 3353607 (1967-11-01), Kinley
patent: 3353608 (1967-11-01), Beebe et al.
patent: 3827490 (1974-08-01), Moore et al.

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