Method and apparatus for gravel packing wells

Details Method and apparatus for gravel packing wells Method and apparatus for gravel packing wells

1976-03-25

1977-04-19

Novosad, Stephen J.

Wells

Processes

Graveling or filter forming

166233, 166296, E21B 4304, E21B 4308

Patent

active

040182835

ABSTRACT:
The perforations of a tubular pipe are sealed with a selectively removable plugging material. The pipe is then wire wrapped to form a well screen. The annular passage defined by the pipe and wire wrapping is restricted enough so that the flow resistance in the annular passage is sufficient to maintain high fluid flow velocity outside the well screen during gravel packing so as to prevent the formation of gravel dunes. After gravel packing is completed, the plugging material is removed, permitting the passage of fluids through the well screen and pipe mandrel.

REFERENCES:
patent: 2046459 (1936-07-01), Johnson
patent: 2205422 (1940-06-01), Layne
patent: 3216497 (1965-11-01), Howard et al.
patent: 3273641 (1966-09-01), Bourne
patent: 3322199 (1967-05-01), Van Note, Jr.
patent: 3385373 (1968-05-01), Brown
patent: 3450207 (1969-06-01), Hirsch
patent: 3709293 (1973-01-01), Layne et al.
patent: 3880233 (1975-04-01), Muecke et al.
patent: 3958634 (1976-05-01), Smith

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