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Tectonic Evolution of the Tianhuan Depression and the Western Margin of the Late Triassic Ordos |
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| Authors: | LI Xiangbo LIU Huaqing WANYAN Rong WEI Lihua LIAO Jianbo FENG Ming MA Yuhu BAI Yunlai Northwest Branch PetroChina Exploration Development Research Institute Lanzhou Gansu |
| Institution: | Northwest Branch, PetroChina Exploration and Development Research Institute, Lanzhou, Gansu 730020 |
| Abstract: | The Ordos Basin is one of the most important oil and gas basins in China. Based on surface outcrop, key exploratory wells and seismic reflection data and by using the technology of prototype basin recovery, seismic profile layer flattening and restoration of balanced section,and other methods, the sedimentary boundary, structure and the evolution history of the Tianhuan depression on the western margin of the Ordos Basin are reestablished. The following results have been obtained. (1) The west boundary of t... |
| Keywords: | tectonic evolution hydrocarbon accumulation Late Triassic Tianhuan depression Ordos Basin |
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