Abstract
A significant proportion of global fossil fuel reserves and production are contributed by carbonate reservoirs. The huge exploration and exploitation potential of carbonate reservoirs has always been the focus of scholars and engineers all over the world. At present, ultradeep carbonate gas reservoirs have become the significant areas of global exploration and exploitation with the continuous development of oil and gas theory and technology. However, ultradeep carbonate gas reservoirs have experienced a geological history of more than 100 million years, as well as multistage tectonic movements and paleokarstification. Ultimately, the ultradeep carbonate gas reservoir formed a coexistence pattern of multiple media, including microscopic pores, macroscopic pores, dissolution cavities and fractures. The complexity and variability of the distribution of various types of media in both horizontal and vertical directions result in extremely heterogeneous reservoirs. Strong reservoir heterogeneity is a macroscopic performance of complex pore throat structures, which increases the difficulty of evaluating the storage and percolation capacities of ultradeep carbonate gas reservoirs. Therefore, it is of theoretical and practical significance to systematically and comprehensively study the multiscale reservoir characteristics of ultradeep carbonate gas reservoirs.
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Wang, L. (2023). Reservoir Characteristics of the Ultradeep Carbonate Gas Reservoir. In: Ultradeep Carbonate Gas Reservoirs. Springer, Singapore. https://doi.org/10.1007/978-981-19-9708-2_1
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DOI: https://doi.org/10.1007/978-981-19-9708-2_1
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