Apparatus for determining mechanical integrity of wells
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United States of America Patent
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-
Oct 11, 1994
Grant Date -
N/A
app pub date -
Jul 9, 1993
filing date -
Jul 9, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus and method for detecting flow outside Casing in a well are provided. The flow may be detected by logging tools or by fixed equipment inside casing. An alarm system is provided for lack of mechanical integrity of a wellbore. Stationary temperature sensors are placed in contact with the inside wall of the casing. Electronic circuits are used to provide output signals sensitive to differences in temperature of the sensors.
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Cited Art Landscape
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