Wells – Means for forming filter beds
Patent
1992-05-04
1993-11-16
Britts, Ramon S.
Wells
Means for forming filter beds
166 74, 166129, 166205, E21B 4304
Patent
active
052614867
ABSTRACT:
A method and apparatus for installing a gravel pack well completion wherein flow of fluid in the well can be effectively blocked and excessive hydrostatic pressure can be isolated from the top of a pre-placed column of gravel while an auger-liner assembly is rotated into the gravel. Basically, gravel is first placed within the zone after which a liner is lowered on a workstring and the liner is augered into the pre-placed gravel. A packer cup and by-pass assembly is coupled into the workstring having cup packers which effectively block flow within the well during installation of the liner. The cups are mounted on a rotatably mounted sleeve so that the workstring can be rotated while the cups are expanded against the well casing. The packer cup and by-pass assembly includes a bypass which can be opened after the liner has been placed so that the workstring can easily be withdrawn from the well.
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Petroleum Production Engineering, Oil Field Development, L. C. Uren, 3rd Edition, McGraw-Hill Book Co., N.Y., 1946 pp. 575-588.
U.S. co-pending application Ser. No. 07/668,003, filed Mar. 12, 1991.
Bethel Robert K.
Cornette Holley M.
Johnson Michael H.
Atlantic Richfield Company
Britts Ramon S.
Faulconer Drude
Tsay Frank S.
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