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An application of micropaleontology-sequence stratigraphy method in stratigraphic division —An example for the study of the Paleogene in the Guangjiapu area, Chengbei fault-step zone, Dagang |
| MENG Peng1, LIU Li2, GAO Yuqiao2, QU Xiyu2, SUN Xiaoming3 |
| 1.Tianjin Branch of China National Offshore Oil Corp. Limited, Tianjin 300452, China; College of Earth Science, Jilin University, Changchun 130061, China; 2.College of Earth Science, Jilin University, Changchun 130061, China; 3.Research Center of Exploration and Development, Dagang Oilfield Company, CNPC, Tianjin 300280, China; |
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Abstract The formation of the Paleogene in the Chengbei fault-step zone of the Dagang off-shore area is very complex and the stratigraphic division and correlation are relatively difficult. A method of micropaleontology-sequence stratigraphy is proposed herein. The study considers Well Zhangcan 1 as an example to prove that the scheme of stratigraphic division is feasible by conducting micropaleontology-sequence stratigraphy in the Guanjiapu area of the Chengbei fault-step zone. The application of micropaleontology-sequence stratigraphy method indicates that Member 1 of the Shahejie Formation in Well Zhuanghai 808×1 and Member 3 of the Dongying Formation of the Paleogene exist.
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Issue Date: 05 June 2007
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