Method and apparatus for gravel packing a zone in a well

Details Method and apparatus for gravel packing a zone in a well Method and apparatus for gravel packing a zone in a well

1981-12-02

1983-12-06

Pate, III, William F.

Wells

Processes

Graveling or filter forming

166 51, 166240, E21B 4304

Patent

active

044187548

ABSTRACT:
Apparatus adapted to be lowered on a tubing string for setting a gravel pack at the bottom of a well. Conduits provide a gravel-slurry flow path from the bottom of the tubing to a screen which is suspended from a housing at the lower end of the conduits. A packer is provided between the tubing and the housing for sealing the well bore during gravel packing. When the screen hits the bottom of the well, a clutch connected between the housing and the conduit disengages to prevent transmission of tubing movement to the screen during the gravel packing process. Upon packing completion, tubing string rotation releases the screen to permit raising of the apparatus on the tubing string.

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