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Fang C.,Wuhan University | Fang C.,Wuxi Petroleum Geology Research Institute | Huang Z.,Wuxi Petroleum Geology Research Institute | Xu X.,Wuxi Petroleum Geology Research Institute | And 2 more authors.
Earth Science Frontiers | Year: 2015

The present complex texture of petroliferous basin is the results of superimposition and juxtaposition of basin prototype at the different geohistory stage. It is an effective way to speculate the distribution of the ancient sedimentary depression, the process of hydrocarbon generation and accumulation, the distribution of oil and gas pools, that reverting and reconstructing the basin prototype evolution sequence of reformed basin. It is proposed that the research ideas and methods for basin prototype sequence and 4 supporting key technology, based on analyzing the ideas and methods of prototype analysis. The key supporting techniques including orogenic ancient ocean recovery, intercontinental deformation analysis, prototype basin sequence mapping and dynamic simulation of basin. Taking the Neoproterozoic-Early Paleozoic basin of the East Qinling-Dabie orogenic belt and adjacent areas as an example, reconstructed the evolution process of the ancient China ocean and its corresponding basin prototype sequence. The expansion of ancient China ocean and the northward subduction event determined the different basin evolution process of its both sides of the Early Paleozoic basin. The basin evolution since the Mesozoic and Cenozoic, represents multi period tectonic transformation and basin superposition resulting the large difference of hydrocarbon source thermal evolution and multiple oil and gas accumulation types. The results shows that the application of prototype basin sequence analysis method is feasible and necessary for assessment of geological in reformed petroliferous basin, and which can make a whole knowledge of the hydrocarbon source rock distribution under the control of basin prototype and the petroleum response under the superposition of basin prototype. ©, 2015, The Editorial Office of Earth Science Frontiers. All right reserved. Source

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