Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate
2007-10-23
2007-10-23
Dang, Hoang (Department: 3672)
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
C166S311000, C175S004540
Reexamination Certificate
active
10710564
ABSTRACT:
A method and apparatus for use in a wellbore includes running a tool string to an interval of the wellbore, and activating a first component in the tool string to create a transient underbalance pressure condition in the wellbore interval. Additionally, a second component in the tool string is activated to create a transient overbalance pressure condition in the wellbore interval, or vice versa.
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Behrmann Lawrence A.
Goodman Kenneth R.
Martin Andrew J.
Ratanasirigulchai Wanchai
Dang Hoang
Galloway Bryan P.
Hu Dan C.
McGoff Kevin B.
Schlumberger Technology Corporation
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