Abstract
In order to finely compare the source of crude oil in the Heidimiao oil layer, The abundance, type and maturity of organic matter were analyzed by using the geochemical analysis data of 44 exploratory wells in southern Changyuan, Songliao Basin. The results show that the maturity of crude oil in Heidimiao reservoir is higher than that of surrounding mudstone, which belongs to secondary reservoir of lower generation and upper reservoir. The analysis of organic matter type shows that the dark mudstone of Nen 1 and 2 member is the main source rock of crude oil in Heidimiao reservoir. According to the C number distribution curve of n-alkanes, the analysis of chromatographic indexes and the results of group composition analysis, some crude oil comes from from the Qingshankou group.
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The project is supported by National science and technology major projects (Number 2016ZX05013006) and 13th Five-Year Major Project (Number 2016E-0209).
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Chen, J., Qi, Dy. (2022). Discussion on Oil Source of Heidimiao Oil Layer in Southern Changyuan, Songliao Basin, China. In: Lin, J. (eds) Proceedings of the International Field Exploration and Development Conference 2021. IFEDC 2021. Springer Series in Geomechanics and Geoengineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-2149-0_351
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DOI: https://doi.org/10.1007/978-981-19-2149-0_351
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