Plastic well screen and method of forming same

Details Plastic well screen and method of forming same Plastic well screen and method of forming same

1981-12-17

1983-09-27

Novosad, Stephen J.

Wells

Screens

166236, 264DIG48, 291635CW, E21B 4310

Patent

active

044063261

ABSTRACT:
Economical plastic well screens having good hydraulic performance can be produced by the method of the present invention wherein a sheet having a large plurality of V-shaped slots is injection molded, is roll-formed into a cylindrical shape, and then has its longitudinal edges bonded to each other. The resistance of the screen to collapse and tensile forces can be enhanced by the addition of ribs in one or two directions. Also, the sheet can be rolled in one direction or another to vary the slot direction or to permit flow from inside to outside as well as the conventional outside to inside.

REFERENCES:
patent: 87385 (1869-03-01), Winchester
patent: 1800642 (1931-04-01), Johnson
patent: 2046458 (1936-07-01), Johnson
patent: 2933137 (1960-04-01), D'Audiffret et al.
patent: 3327865 (1967-06-01), Thompson
patent: 4343358 (1982-08-01), Gryskiewicz

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