Abstract
Block M, Peru is located in the northwestern margin of the Madre de Dios Basin, at the front of the sub-Andean fold-thrust belt. Permian carbonate gas reservoirs are controlled by both carbonate sedimentary facies and thrust fault zones. The distribution of oil and gas in different structural belts varies greatly. In this paper, taking the Permian carbonate gas reservoir as the research object in Block M, Peru, on the basis of the analysis of the accumulation conditions, the structure and sedimentary research was carried out, and the favorable traps and the dominant facies belt of the carbonate were clarified. Through the coupling analysis of sedimentary and structure, the distribution characteristics of gas reservoirs in different thrust fault belts are summarized, that is, the accumulation conditions of the northern structural belt are better than those of the central and southern structural belts. The west side of the northern structural belt is better than the east side; the east side of the central structural belt is better than the west side; and the southern structural belt is less favorable due to the erosion of the caprock. The research results are helpful for the understanding of oil and gas accumulation laws and the selection of favorable exploration zones, and could provide guidance for the exploration of Permian carbonate gas reservoirs.
Copyright 2022, IFEDC Organizing Committee
This paper was prepared for presentation at the 2022 International Field Exploration and Development Conference in **’an, China, 16–18 November 2022.
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Acknowledgments
The project is supported by CNPC’s Forward-looking Fundamental Major Science and Technology Project in “14th Five-Year Plan” Period, “Research on key oil and gas exploration technologies in overseas key fields” (No. 2021DJ3105).
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Zhao, Yb. et al. (2023). Carbonate Sedimentary-Tectonic Coupling and Distribution Characteristics of Gas Reservoirs in Foreland Thrust Belts, Peru. 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_50
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