Wells – Conduit wall or specific conduit end structure – Downhole coupling or connector
Reexamination Certificate
2007-03-26
2010-11-16
Bagnell, David J (Department: 3676)
Wells
Conduit wall or specific conduit end structure
Downhole coupling or connector
C166S377000
Reexamination Certificate
active
07832474
ABSTRACT:
An embodiment of a system for disconnecting a first element from a second element at a desired position in a wellbore includes a disconnect tool containing an expandable material, the disconnect tool being actuatable from a locked position, wherein the first and the second elements are interconnected, to an unlocked position, wherein the first and the second element are disconnected, upon a determined expansion of the expandable material in response to a temperature at the desired position.
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Bagnell David J
Harcourt Brad
Schlumberger Technology Corporation
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