Pump operation procedure with piston position sensor
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United States of America Patent
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Jul 17, 2018
Grant Date -
Jun 23, 2016
app pub date -
Dec 19, 2014
filing date -
Dec 19, 2014
priority date (Note) -
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Abstract
A method for calibrating a pump assembly is disclosed. The method includes characterizing a pump of the pump assembly to determine a performance characteristics of the pump. The method may also include calibrating a sensor associated with a displacement unit of the pump assembly. Calibrating the sensor may include calibrating the sensor under operating conditions of a first environment and under operating conditions of a second environment. Under the operating conditions of the second environment, the pump can also be calibrated to determine a performance characteristics of the pump at the operating conditions of the second environment. The calibrated pump assembly is then used to draw fluid from a subterranean formation or conduct a formation test.
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