Abstract
Reservoir heterogeneity is the core content of gas reservoir research, which can be most intuitively described by the division of flow unit. In light of the high heterogeneity of the low-permeability reservoir in Shan23 member of Shanxi formation of Z Gas field. Combined with the well logging interpretation and production data etc., the flow unit division of gas wells in Z Gas field is carried out by using the flow layer index method, cluster analysis method and discriminant analysis method to establish the division and identification standard of flow unit, and then the discriminant function of each type of flow unit is obtained. On this basis, through the analysis and research on the data of reservoir structure and sand body distribution in Z Gas Field, then using the multi-point random simulation method, the three-dimensional geological model of flow unit in Z Gas Field based on dynamic constraints is established, forming an effective method for quantitative prediction of flow unit. Finally, Z Gas field is divided into four types of flow units, and the corresponding development policies are put forward.
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This paper was prepared for presentation at the 2022 International Field Exploration and Devel-opment Conference in **’an, China, 16–18 November 2022.
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Liu, Q., Liu, Zj., Wei, Jy., Li, Z. (2023). Study on Flow Unit Division Method Based on Random Simulation. In: Lin, J. (eds) Proceedings of the International Field Exploration and Development Conference 2022. IFEDC 2022. Springer Series in Geomechanics and Geoengineering. Springer, Singapore. https://doi.org/10.1007/978-981-99-1964-2_153
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DOI: https://doi.org/10.1007/978-981-99-1964-2_153
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