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Petroleum Science >2018,??Issue 4:??722-743 DOI:

Reconstruction of meandering paleo-channels using dense well data, Daqing Oil Field, Songliao Basin, China Open?Access

文章信息

作者：Jing-Fu Shan, Zhi-Peng Lin, Le Chen, Bin Zhang, Shi-Xiang Fang, Xue Yan, Wei Fang, Li-Li Xie, Bo Liu and Le Zhang

作者單位：

Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China; State Key Laboratory of Biogeology and Environmental Geology, School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China,International Publishing and Distribution Headquarter, China Academic Journal (CD) Electronic Publishing House CO., Ltd., Beijing 100083, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China,Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China and Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, China; 2 School of Geosciences, Yangtze University, Caidian, Wuhan 430100, China

投稿時間：2017-12-22

引用方式：

文章摘要

Reconstructing meandering paleo-channels is attracting global research attention. We implemented a novel method by comprehensively integrating migration models and sedimentary structures. Firstly, the migration architectures of the corresponding characteristics in planform and cross-sectional models were summarised as expansion, translation, expansion and translation, expansion and downstream rotation, constriction and downstream rotation, and expansion and countercurrent rotation models. Secondly, full continuous core data from 270 dense drilling wells were collected from the Daqing Oil Field in the Songliao Basin, China, providing information on rock textures, sedimentary cycles, and boundary information for the two layers being studied. Through a comprehensive analysis of dense drill cores and logging data, the abandoned channels and the initial and final channel centrelines were identified. Consequently, four profiles, including one longitudinal and three transverse sections, were constructed to reveal the cross-sectional structures and planform migration architecture. Profile interpretation revealed the evolution from the initial channel centreline to the final centreline. Using a method of rational interpolation, we were able to reconstruct the migration architecture of the meandering channels. The results showed that the average ancient bankfull width (W_c) was approximately 100 m, a single meandering belt was 800 m, the radius of the curvature was 250 m, the length of the channel bend was 700 m, the average meander wavelength was 1300 m, the sinuosity was 3.0, and the annual average discharge rate was 450 m3/s. Furthermore, we compared the results from empirical equations, which verified that our reconstruction is both feasible and potentially widely applicable.

關鍵詞

Songliao Basin, Reconstruction, Meandering paleo-channels, Meandering rivers, Point bar, Planform, Migration architectures

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