Release:
2021. Vol. 7. № 4 (28)About the authors:
Alexander D. Bekman, Cand. Sci. (Phys.-Math.), Chief Project Engineer, Tyumen Petroleum Research Center; ORCID: 0000-0002-5907-523X, adbekman@rosneft.ruAbstract:
The article discusses the issue of reservoir pressure mapping based on analytical producer-based representation of capacitance-resistance model (CRMP). The major hindrance of previous methods is in reconstruction of reservoir pressure dynamics in points where wells are located. Classic CRMP only allows performing measurement of reservoir pressure in the vicinity of producer wells. In order to reconstruct reservoir pressure dynamics near injector wells, the authors suggest application of advanced producer-based representation of capacitance-resistance model + tube model (CRMP-TM). As a result of adaptation of such model, influence of producer and injector wells is adjusted. Reservoir pressure in the vicinity of injector wells is determined while taking into account influence and flow rate obtained from traditional CRMP. The map of reservoir pressure is compiled based on solving Laplace’s equation. The obtained values of pressure by wells are considered as limiting conditions. The given article also demonstrates the results of numerical experiments conducted with application of hydrodynamic simulator. CRMP and CRMP-TM models were built on the basis of well performance indicators calculated on the hydrodynamic model (HDM). The reservoir pressure maps obtained in this way were compared with the maps obtained from the hydrodynamic model. As a result of numerical experiments, adequate consistency of model and actual reservoir pressure dynamics as well as reservoir pressure maps for the last time interval of the adjusting period were obtained.
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References:
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