Apparatus and method for separating solid particles from liquids

Details Apparatus and method for separating solid particles from liquids Apparatus and method for separating solid particles from liquids

1995-06-08

1997-02-18

Novosad, Stephen J.

Wells

Processes

Separating material entering well

1661051, 1661055, E21B 4338

Patent

active

RE0354546

ABSTRACT:
Apparatus and method for separating solid particles from well fluids in the bore hole including a separator separation device (34) adjacent the lower end of a tubing string (14) positioned within a perforated casing (10). The separator device (34) includes concentric tubular members (44, 46) defining an annulus (60) therebetween. A spiral guide (62) is positioned in the annulus (60) about the inner tubular member (44) below perforations (54) in the outer tubular member (44) and extends about the inner tubular member (46) for around a complete turn or 360 degrees. A helical motion is imparted to the well fluids received through the perforations (54) and solid particles settle downwardly within the vortex or swirl chamber (79) below the inner tubular member (46). The liquid separated from the solid particles is pump by a downhole pump (18) upwardly through the inner tubular member (46).

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