Well structure having a screen element with wire supporting rods

Details Well structure having a screen element with wire supporting rods Well structure having a screen element with wire supporting rods

1990-07-05

1991-12-03

Dang, Hoang C.

Wells

Screens

Strip or rod

166235, 210488, 21049701, E21B 4308

Patent

active

050692798

ABSTRACT:
A well structure suitable for use as a shallow well having a large diameter includes a well curb, and one or more water intake segments mounted in a part of the well curb. Each water intake segments includes a frame made of a vertically arranged pair of flanges extending in the circumferential direction and a laterally arranged pair of flanges extending in the axial direction, the frame having a form which constitute a part of a cylinder, a screen element such as wires and wire supporting rods secured to the frame, and one or more reinforcing members secured at ends thereof to either of the vertically arranged pair of flanges or the laterally arranged pair of flanges for reinforcing the frame.

REFERENCES:
patent: 478061 (1892-06-01), King
patent: 725117 (1903-04-01), Morris
patent: 805211 (1905-11-01), Layne
patent: 1031596 (1912-07-01), Terrill
patent: 1682697 (1928-08-01), Thorpe et al.
patent: 4657079 (1987-04-01), Nagaoka
patent: 4770336 (1988-09-01), Arterbury et al.
patent: 4818403 (1989-04-01), Nagaoka

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