This article describes the method of integrated application of horizontal well test result and log data interpretation for refining the simulation model of a specific field. It is stated that the filtration reservoir parameters resultant from the well test interpretation can be more accurate versus the petrophysical model results. Therefore, this method can be useful for underappraised fields and greenfields that do not have robust petrophysical dependencies.

We have formulated and investigated the problem of averaging filtration reservoir parameters in the simulation model to match them with horizontal well test result interpretation. The averaging method has been validated using numerical well test models and subsequent interpretation of synthetic pressure build-up curves. The method of matching simulation model parameters and well test result interpretation can be useful for all fields where horizontal wells are used for development.

The article details the problem of horizontal well test result interpretation at a specific field and describes the uncertainty assessment.

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