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Title: AN APPLICATION OF KALMAN FILTER MODEL TO RESERVOIR PRESSURE MAINTENANCE
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AN APPLICATION OF KALMAN FILTER MODEL TO RESERVOIR PRESSURE MAINTENANCE
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1314-2704
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English
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19
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1.2
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A problem of determining the effect of pressure maintenance system is considered. We want to estimate the influence of each of the water pumps to each of the extracting wells.
We propose a stochastic model of the oil field?s liquid flow, which is based on the Kalman filter model. It is loosely based on the filtering theory, and is designed to simplify the computations. We also propose a method to estimate the parameters of the model, which is a variation of the EM-algorithm. It is proved that this procedure converges to some local optimum. One of the features of the proposed model is that it doesn?t depend on the geological characteristics of the reservoir and is estimated using the extraction and injection history of the oil field. But it is possible to expand the model to include other parameters, such as some of the geological data and borehole pressure data. It is shown how the model can be used to determine the water flow. We apply the model to the oil field with a rich extraction history and compute the flow directions. The results were in accordance with the tracer survey performed on that oil field. |
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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627-634
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30 June - 6 July, 2019
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website
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cdrom
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5124
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pressure maintenance system; reservoir modeling; Kalman filter.
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