Method for completion of wells
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United States of America Patent
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-
Apr 5, 1983
Grant Date -
N/A
app pub date -
Feb 11, 1981
filing date -
Feb 11, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of completing wells comprising: an inflatable packer used to plug the borehole below the producing formations; casing being run from the surface to a point above the producing formation; the casing annulus being sealed off above the producing formation; the producing formation being underreamed and gravel packed to improve productivity. Sealing of the casing annulus may be accomplished by conventional well cement or by a second inflatable packer. The inflatable packers used are inflated with fast hardening well cement which is retained in the packer annulus by means of a check valve so as to effect an immediate seal and anchor which is maintained during and after hardening of the cement.
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