Well bore device for sand control

Details Well bore device for sand control Well bore device for sand control

E - Fixed Constructions

21

B

166/53

E21B 43/08 (2006.01) B01D 29/15 (2006.01) B01D 39/20 (2006.01)

Patent

CA 1293691

ABSTRACT A process and apparatus for removing particulate matter from fluid wells where low pH conditions or high temperatures exist. The process comprises forming a cylindrical shaped retainer having one closed and one open end. Said retainer has an inner and an outer wall which join with said closed end to provide a space between said walls. An open ended fused porous refractory tube is fitted within said space. Said retainer, with the refractory tube therein, is affixed to a delivery tube. This tube is directed into a formation where said refractory tube is used to control fines or sandflow entrained in fluids obtained from said formation. Being sandwiched between said walls, the refractory tube is protected from shock and is easily removed for cleaning. Said refractory tube is chemically resistant and endures high temperatures encountered during steam-flooding or steam injection.

575806

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