Wells – Processes – Graveling or filter forming
Patent
1971-04-30
1977-09-20
Novosad, Stephen J.
Wells
Processes
Graveling or filter forming
166 51, 166120, 166123, 166131, 166212, 166217, E21B 2304, E21B 2306, E21B 33129, E21B 4304
Patent
active
040490556
ABSTRACT:
The assembly is supported and operated by a tubing string and includes an hydraulically set packer carrying a production screen and a removable gravel pack apparatus. The packer is set, gravel is packed about the screen and the gravel pack apparatus is then removed from the set packer by disengaging a pin and slot connection. The gravel pack apparatus and attached screen may be subsequently re-engaged with the packer for regraveling. The packer is equipped with resilient seal means and a plurality of radially movable anchoring slips which are set in sealing and anchoring engagement, respectively, with a surrounding well conduit by an hydraulic setting mechanism. The gravel pack apparatus cooperates with the set packer to form a series of separate, axially extending, flow passages which may be selectively opened or closed.
REFERENCES:
patent: 2677428 (1954-05-01), Clark
patent: 2942664 (1960-06-01), Burns
patent: 3072204 (1963-01-01), Brown
patent: 3126963 (1964-03-01), Graham
patent: 3392784 (1968-07-01), Brown
patent: 3627046 (1971-12-01), Miller et al.
patent: 3710862 (1973-01-01), Young et al.
Uren, Petroleum Production Engineering, 1956, pp. 720-721.
Brown Oil Tools, Inc.
Novosad Stephen J.
Torres Carlos A.
Zamecki E. Richard
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