Method and apparatus for controlling sand accumulation in a prod

Details Method and apparatus for controlling sand accumulation in a prod Method and apparatus for controlling sand accumulation in a prod

1985-12-20

1987-03-31

Novosad, Stephen J.

Wells

Processes

Graveling or filter forming

166228, E21B 4308

Patent

active

046535861

ABSTRACT:
A gravel pack well completion includes an elongated gravel pack screen connected at its upper end to a production tube which in turn is connected to a production fluid pump. The gravel pack screen includes an elongated tube interposed therein and having a primary inlet located generally in the vicinity of the lower end of the screen for maintaining sufficient liquid flow velocity within the screen to prevent settling and accumulation in the wellbore of entrained fine solids entering said screen with production liquids. A gas port is provided in the upper end of the draft tube to conduct gas into said production tube and to prevent significant accumulation of gas in the wellbore at the gravel pack.

REFERENCES:
patent: 1175599 (1916-03-01), Butler
patent: 1289320 (1918-12-01), Halstead
patent: 1572330 (1926-02-01), Taylor
patent: 3556219 (1971-01-01), Meldau
patent: 3999608 (1976-12-01), Smith
patent: 4018282 (1977-04-01), Graham et al.

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