E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 34/00 (2006.01) E21B 34/08 (2006.01) E21B 43/24 (2006.01) F16K 31/64 (2006.01)
Patent
CA 2483399
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.
Bayh III Russell Irving
Meaders Michael Wade
Parlin Joseph D.
Saurer Dan P.
Steele David Joe
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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