Wells – Processes – Placing or shifting well part
Reexamination Certificate
2006-12-26
2006-12-26
Dang, Hoang (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S179000
Reexamination Certificate
active
07152689
ABSTRACT:
The invention is a system and method used to seal between an open wellbore and a tubing by bringing the wellbore wall inwardly so as to enable sections of earth from the wellbore wall to create the required seal against the tubing. The earth sections that make up the seal can be created by collapsing the relevant parts of the wellbore wall inwardly or by causing the relevant parts of the wellbore wall to swell inwardly.
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patent: 2675876 (1954-04-01), Conrad et al.
patent: 4091868 (1978-05-01), Kozlowski et al.
patent: 4484625 (1984-11-01), Barbee, Jr.
patent: 4815538 (1989-03-01), Burroughs
patent: 5161612 (1992-11-01), Stafford
Hilsman Youel G.
Hiron Stephane
Ohmer Herve
Patel Dinesh R.
Castano Jaime A.
Dang Hoang
McEnaney Kevin P.
Schlumberger Technology Corporation
Van Someren, PC
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