WELLBORE INFLUX DETECTION IN A MARINE RISER
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
Jun 8, 2012
filing date -
Jun 8, 2012
priority date (Note) -
Abandoned
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Abstract
Methods and apparatus for managing wellbore influx in a marine riser. In one embodiment, a method for managing wellbore influx includes identifying a difference between measured values provided by a plurality of sensors longitudinally spaced along a riser. Whether the difference between measured values provided by a given pair of the sensors has changed relative to a difference between measured values previously provided by the given pair of the sensors is determined. Whether wellbore influx is present in the riser is determined based on the change in the difference.
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