Measurement and Control of Liquid Level in Wells
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United States of America Patent
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Issued Date -
Apr 29, 2010
app pub date -
Oct 29, 2008
filing date -
Oct 29, 2008
priority date (Note) -
Abandoned
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Abstract
Methods and apparatuses are disclosed for measuring and controlling liquid levels in a well. The apparatus may include a plurality of sensors, the plurality of sensors comprising: a first sensor coupled to the well, the first sensor configured to measure a casing pressure, a second sensor coupled to the well, the second sensor configured to measure a tubing pressure, and a third sensor coupled to a motor that is further coupled to the well, the third sensor configured to measure at least one characteristic of the motor, and a processor coupled to the plurality of sensors, wherein the processor calculates a level of liquid in the well based upon measurements of at least two of the plurality of sensors.
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