Well screen

Details Well screen Well screen

1998-07-08

2000-12-12

Dang, Hoang

Wells

Screens

Porous material

166230, 166236, E21B 4308

Patent

active

061585076

ABSTRACT:
A well screen is disclosed for positioning in a well bore to screen solid particles from the fluid produced by the well comprising a base pipe having a perforated wall and threaded connections for connecting the base pipe into a pipe string, a wire screen surrounding the perforated portion of the base pipe, a thin porous membrane comprising an inner layer of cloth of woven ceramic fibers wrapped around the wire screen and covered by a porous sleeve membrane of braided ceramic fibers, means for holding the ends of the porous cloth membranes in sealing engagement with the base pipe, and a perforated tubular metal shroud surrounding the ceramic cloth membranes to protect the membranes from damage when lowered into a well bore.

REFERENCES:
patent: 4613350 (1986-09-01), Forester et al.
patent: 4613369 (1986-09-01), Koehler
patent: 4858691 (1989-08-01), Ilfrey et al.
patent: 5293935 (1994-03-01), Arterbury
patent: 5624560 (1997-04-01), Voll et al.
patent: 5664628 (1997-09-01), Koehler et al.
patent: 5782299 (1998-07-01), Simone et al.
patent: 5823260 (1998-10-01), McConnell et al.

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