Sand placement

Details Sand placement Sand placement

1981-05-11

1984-10-02

Purser, Ernest R.

Wells

Processes

Graveling or filter forming

166 51, E21B 4304

Patent

active

044742398

ABSTRACT:
Sand placement apparatus includes a well screen assembly and a sand placement tool. The sand placement tool comprises a tubing extension or stinger and a slurry conduit which includes a barrel concentrically disposed around the stinger and a tail pipe extending down therefrom with a valve controlled seal sub at the lower end of the tail pipe. The well screen assembly comprises a production liner including a valve controlled seal socket, a lower or main well screen, a short length of pipe, an upper or tell-tale well screen, and the tubular mandrel of a hook wall packer. By means of this packer the liner is suspended within a well casing. The liner is positioned with its screens inside a perforated section of a well casing. The tool is positioned inside the liner by means of a sleeve anchored to the packer mandrel and adjustably positioned relative to the barrel to deliver sand-water slurry to the liner-casing annulus and build up the sand from the top of the annulus and then downwardly.

REFERENCES:
patent: 2207334 (1940-07-01), Reynolds et al.
patent: 2652117 (1953-09-01), Arendt et al.
patent: 2800185 (1957-07-01), Teplitz
patent: 3421586 (1969-01-01), Solum
patent: 4044832 (1977-08-01), Richard et al.
patent: 4253522 (1981-03-01), Setterberg
patent: 4270608 (1981-06-01), Hendrickson et al.
The Petroleum Engineer, Jan. 1938, pp. 86-92, Sawdon, Wallace A., "Gravel-Packing Oil Wells".

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