Wells – Means for forming filter beds
Patent
1997-07-29
1999-04-06
Schoeppel, Roger
Wells
Means for forming filter beds
166233, E21B 4304
Patent
active
058905332
ABSTRACT:
A gravel-pack, well screen having an internal shunt tube positioned inside the screen for delivering gravel slurry to different levels within the well annulus during a gravel pack operation. The screen includes one or more joints with each joint includes a base pipe having a screen section therein. The internal shunt extends substantially throughout the length of the base pipe. Bolts, each having a passage therethrough, provide fluid passages between the exterior of the screen and the internal shunt tube near either end of the base pipe. During operation, slurry enters the internal shunt tube through the uppermost bolt and exits into the annulus through the passages in the lower bolts to distribute gravel to to different levels of the annulus.
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Keen Malcolm D.
Mobil Oil Corporation
Schoeppel Roger
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