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3D simulation of a giant oilfield in calcareous formations and scrutiny study of the interaction of the calculated parameters (Asmari formation in Maroon oilfield, Iran)

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Abstract

Simulation is an art to model the reservoir’s structure in the petroleum industry, which transfers all possible data digitally to the reservoir management system’s suitable computation software. The present study attempts to construct a 3D structural model using the geostatistical method to access in situ oil volume and the best oil production position. The geological area is the Maroon oilfields located at Dezful Embayment in southwest of Iran. In this oilfield, the Asmari reservoir is divided into ten zones. Several steps such as griding, kriging, and experimental variogram were carried out to access all available data to make up the model. The evaluation revealed that zones one and five were the main oil-bearing layers since it contains about 60% of total oil volume in this field. Petrophysical parameter distribution indicated that zones four and seven are good candidates for oil production since they have higher porosity and net to growth thickness than other zones. From the seventh to the tenth zone, the oil volume decreased due to high water saturation in these areas. The best zones for the future program are located in the western part. This study shows that 3D modeling will find elongation-type anticline and reservoir direction and the best location for future drilling programs based on the interaction of the petrographic parameters. The results can be used in various steps during the lifetime of the different reservoirs around the globe.

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Correspondence to Arman Naderi.

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The authors declare that they have no competing interests.

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Responsible Editor: Santanu Banerjee

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Ghasemi Tootkaboni, M., Ebadati, N. & Naderi, A. 3D simulation of a giant oilfield in calcareous formations and scrutiny study of the interaction of the calculated parameters (Asmari formation in Maroon oilfield, Iran). Arab J Geosci 14, 799 (2021). https://doi.org/10.1007/s12517-021-07141-z

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  • DOI: https://doi.org/10.1007/s12517-021-07141-z

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