Through casing resistivity measurement in permanently installed downhole production environment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 22, 2003
Grant Date -
N/A
app pub date -
Nov 20, 2000
filing date -
Nov 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for measuring changes in the media within a geologic formation by transmitting magnetic flux through a section of ferromagnetic well casing and measuring the change in flux received back through the casing. The flux transmitter and receiving components may be permanently installed in a hydrocarbon production well.
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