Apparatus for placing and removing well flow control devices

Details Apparatus for placing and removing well flow control devices Apparatus for placing and removing well flow control devices

1984-12-07

1988-08-23

Novosad, Stephen J.

Wells

Means for guiding insertable element laterally of well axis

1661176, E21B 708

Patent

active

047654031

ABSTRACT:
In accordance with an illustrative embodiment of the present invention, a side pocket mandrel having a side pocket laterally offset from the open bore has an opening at the upper end of the pocket adapted to receive a gas lift valve. The axis of the opening is inclined in a downward and inward direction toward the axis of the open bore. A kickover tool for replacing and removing valves includes an orienting section having angularly spaced dogs that are cooperable with a sleeve in the mandrel to cause orientation of the tool and to trigger longitudinal movement of a control rod. Rod movement actuates guides on a pivot arm that cooperates with rails or the like in the mandrel to cause the valve to be inserted through the opening to a position extending upwardly into the annulus with a packing sub thereon engaging the opening.

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patent: 4031954 (1977-06-01), Herbert et al.
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patent: 4508165 (1985-04-01), Foust
patent: 4524833 (1985-06-01), Hilts et al.
patent: 4527631 (1985-07-01), Vazquez

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