Valve apparatus for use in sand control

Details Valve apparatus for use in sand control Valve apparatus for use in sand control

1992-05-22

1994-02-22

Melius, Terry Lee

Wells

Processes

Operating valve, closure, or changeable restrictor in a well

166331, E21B 3412

Patent

active

052879305

ABSTRACT:
In accordance with an illustrative embodiment of the present invention, a circulating valve for use in sand control and related well operations includes a mandrel that can be rotated in a housing after a weight-responsive clutch is released. As the mandrel is rotated to the right, a reverse lead groove system engaged by a pawl causes a valve sleeve element to shuttle down and up between positions closing and opening a flow path between the annulus above a packer and a zone in the well below the packer.

REFERENCES:
patent: 3036810 (1962-05-01), Conrad et al.
patent: 3842914 (1974-10-01), Mott
patent: 4403659 (1983-09-01), Upchurch

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