Non-ferromagnetic overburden casing
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United States of America Patent
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Sep 14, 2010
Issued Date -
N/A
app pub date -
Apr 20, 2007
filing date -
Apr 21, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems, methods, and heaters for treating a subsurface formation are described herein. At least one system for electrically insulating an overburden portion of a heater wellbore is described. The system may include a heater wellbore located in a subsurface formation and an electrically insulating casing located in the overburden portion of the heater wellbore. The casing may include at least one non-ferromagnetic material such that ferromagnetic effects are inhibited in the casing.
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