Slurry up particulate placement tool

Details Slurry up particulate placement tool Slurry up particulate placement tool

1981-05-11

1984-04-03

Purser, Ernest R.

Wells

Means for forming filter beds

166133, E21B 4304

Patent

active

044402180

ABSTRACT:
A sand or gravel placement or packing apparatus for positioning particulates outside well screen includes pipe to conduct slurry to below the screen and receive clear liquid returning from outside the screen as the particulates accumulate upwardly, the apparatus including valving to provide for initial injection of clear fluid, for circulation slurry, for squeezing the slurry, for flusing the tubing and parts of the tool by reverse circulation, and for closing the slurry injection part below the screen and the lower end of the slurry pipe when the latter is withdrawn.

REFERENCES:
patent: 2207334 (1940-07-01), Reynolds et al.
patent: 3433303 (1969-03-01), Clark, Jr. et al.
patent: 3710862 (1973-01-01), Young et al.
patent: 3963076 (1976-06-01), Winslow
patent: 3987854 (1976-10-01), Callihan et al.

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