Wells – Processes – Placing or shifting well part
Reexamination Certificate
2011-03-01
2011-03-01
Bomar, Shane (Department: 3676)
Wells
Processes
Placing or shifting well part
C166S085400, C166S084100, C277S343000
Reexamination Certificate
active
07896086
ABSTRACT:
Systems and processes are provided for safely facilitating transfer of down-hole devices through an adaptive seal assembly capping a well under pressure. At least one dynamic seal is provided having a size and shape to accommodate varying cross section of an elongated down-hole device, such as a logging tool. The adaptive seal assembly includes a mating flange for coupling its open end to a reversibly sealable wellhead fixture. A pressure is maintained along a wellbore side of the reversible seal, while the aperture is varied according to the varying cross section of the down-hole device as it is translated along the axis. More than one dynamic seals can be actuated in a controlled sequence to apply axial thrust in a preferred direction to the tool. One or more robotic systems can be provided to further expedite manipulation of at least one of the tool and the vessel.
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Patent Cooperation Treaty, International Search Report, dated Apr. 14, 2009, 3 pages.
Guerrero Julio C.
Robisson Agathe
Bomar Shane
Gottlieb Elizabeth C
Laffey Brigid
Loccisano Vincent
McAleenan James
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