3908256 is referenced by 25 patents and cites 9 patents.

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.

Method of making a deep well screen
Application Number
Publication Number
Application Date
September 24, 1973
Publication Date
September 30, 1975
Smith III Howard F
Pravel & Wilson
Howard Smith Company
B23P 15/16
E21B 43/08
E21B 43/02
B23P 15/00
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