Sand control screen having increased erosion and collapse resist

Details Sand control screen having increased erosion and collapse resist Sand control screen having increased erosion and collapse resist

1996-07-18

1998-11-03

Schoeppel, Roger J.

Wells

Screens

Porous material

166233, 166236, E03B 318

Patent

active

058295224

ABSTRACT:
A screen provides increased erosion resistance and collapse resistance without uneconomical overcompensation and without requiring an increase in the screen's outer diameter. In a preferred embodiment, a sand control screen has a support material radially between a tubular base pipe and a filtering portion. The support material radially outwardly supports the filtering portion to help prevent radially inward collapse of the filtering portion. In another preferred embodiment, a screen has a coating applied to a filtering portion's exterior surface. The coating may alternatively or combinatively provide erosion resistance, radially inwardly retain a support material, and selectively vary flow through the filtering portion.

REFERENCES:
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patent: 5310000 (1994-05-01), Arterbury et al.
patent: 5339895 (1994-08-01), Arterbury et al.
"Gravel Pack Systems", Otis Engineering Corporation Products and Services catalog, 1989, 1 page and 5 drawings.

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