Welded wire well screen on perforated casing

Details Welded wire well screen on perforated casing Welded wire well screen on perforated casing

1972-10-31

1976-05-25

Purser, Ernest R.

Wells

Screens

Spiral

291635CW, 2104971, E21B 4308

Patent

active

039586340

ABSTRACT:
Deep well screen and method of making same wherein a wire screen sleeve having longitudinal wires arranged in a generally cylindrical shape, with external wrapping wire welded thereto, is positioned over a perforated pipe having an external diameter substantially equal to the internal diameter of the sleeve, and wherein annular welds are provided between each end of said wire screen and said pipe to close the space therebetween at such ends and to secure the sleeve to the pipe without exceeding the external diameter of said wrapping wires.

REFERENCES:
patent: 661591 (1900-11-01), Stukes
patent: 975333 (1910-11-01), Decker
patent: 979748 (1910-12-01), Decker
patent: 1878432 (1932-09-01), Whann
patent: 2046456 (1936-07-01), Johnson
patent: 2046459 (1936-07-01), Johnson
patent: 2150450 (1939-03-01), Maloney
patent: 2327687 (1943-08-01), Williams et al.

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