Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate
2006-04-25
2006-04-25
Neuder, William (Department: 3672)
Wells
Processes
Operating valve, closure, or changeable restrictor in a well
C166S386000, C166S205000, C166S303000
Reexamination Certificate
active
07032675
ABSTRACT:
Methods of operating a downhole tool comprise thermally-controlling the tool by sensing a temperature and controlling the tool in response to the sensed temperature. Thermally-controlled downhole tools comprise a control element responsive to a change in temperature that control flow into, out of, or through a wellbore. Methods and systems for servicing a wellbore comprise using a thermally-controlled tool comprising a thermally-controlled valve (TCV) in a wellbore. The TCV includes a valve body comprising an injection port for allowing material to flow into or out of the wellbore and an opening/closing mechanism for regulating flow of the material through the injection port in response to a change in temperature. The valve body may be coupled to a downhole conduit. A plurality of TCV's may be arranged in the wellbore to control the injection of steam into the wellbore or the recovery of oil from the wellbore.
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Bayh, III Russell Irving
Meaders Michael Wade
Parlin Joseph D.
Saurer Dan P.
Steele David Joe
Carroll Rodney
Halliburton Energy Service,s Inc.
Neuder William
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