Wells – Means for forming filter beds
Patent
1993-11-22
1995-05-30
Britts, Ramon S.
Wells
Means for forming filter beds
166233, 166242, E21B 4304
Patent
active
054193940
ABSTRACT:
A well tool for delivering fluid (e.g. sand or gravel slurry) to different levels within a wellbore which is comprised of a delivery conduit which, in turn, has a plurality of exit ports spaced along its length. Each exit port has an exit tube connected thereto. Each exit tube includes a portion whose length lies substantially parallel to the longitudinal axis of the delivery conduit which permits larger exit ports to be used which, in turn, substantially reduces the likelihood of an exit port becoming blocked prior to completion of a well operation. Also, where at least a portion of an exit tube is inside the delivery conduit, the concentration of the sand flowing through the exit tube will be substantially the same as the original concentration in the slurry since sand particles will not tend to by-pass an exit port and remain in the slurry. This prevents the premature dehydration of the slurry and the resulting buildup of sand within the delivery conduit which is normally associated therewith.
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Baker Packers--Flow Control Systems, Model "L" Sliding Sleeve; p. 880, Composite Catalog 1982-1983.
Britts Ramon S.
Hager Jr. George W.
McKillop Alexander J.
Miller Lawrence O.
Mobil Oil Corporation
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