Microseismic monitoring sensor uncertainty reduction
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United States of America Patent
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Jul 2, 2019
Grant Date -
Nov 16, 2017
app pub date -
Dec 23, 2014
filing date -
Dec 23, 2014
priority date (Note) -
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Abstract
Uncertainty in microseismic monitoring sensor data can be reduced. A computing device can receive information about at least one sensor that is monitoring a subterranean formation, including a location, after a fracturing fluid is introduced into the formation. The computing device can also receive information about a microseismic event and determine a seismic ray bath between a location of the event and the at least one sensor, and an uncertainty value of the location based on information about the formation and the information about the event. The computing device can determine a total uncertainty value associated with the locations of a plurality of microseismic events, including the microseismic event. The computing device can determine a solution to an objective function based on the total uncertainty value and a number of sensors. The computing device can determine a new location of the at least one sensor based on the solution.
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