Filter for subterranean wells

Details Filter for subterranean wells Filter for subterranean wells

E - Fixed Constructions

21

B

E21B 43/08 (2006.01) B01D 29/15 (2006.01) B01D 35/02 (2006.01) B01D 39/16 (2006.01)

Patent

CA 2395581

A subterranean filter to remove particles from production fluid in a well includes a perforated inner member, at least one filter membrane made of a non-woven polymer material and a metal braided layer installed around the membrane and inner member to provide a filter having improved permeability and resistance to chemical and physical forces. Image

L'invention concerne un filtre pour puits souterrain destiné à éliminer les particules d'un fluide de production, comprenant un élément intérieur perforé, au moins une membrane de filtre en matériau polymère non tissé, et une couche métallique tressée installée autour de la membrane et de l'élément intérieu, afin d'obtenir un filtre présentant une perméabilité et une résistance aux forces chimiques et physiques améliorées.

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