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Petroleum Science >2013,??Issue 2:??139-148 DOI: https://doi.org/10.1007/s12182-013-0261-x

Sedimentary architecture models of deepwater turbidite channel systems in the Niger Delta continental slope, West Africa Open?Access

文章信息

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作者：Liu Li,Zhang Tingshan,Zhao Xiaoming,Wu Shenghe,Hu Jialiang,Wang Xing and Zhang Yikai
作者單位：

School of Resource and Environment, Southwest Petroleum University, Chengdu, Sichuan 610500, China; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu,Sichuan 610500, China;School of Resource and Environment, Southwest Petroleum University, Chengdu, Sichuan 610500, China;School of Resource and Environment, Southwest Petroleum University, Chengdu, Sichuan 610500, China; State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu,Sichuan 610500, China;College of Geosciences, China University of Petroleum, Beijing 102249, China;The Petroleum Institute, Abu Dhabi 2533, The United Arab Emirates;Research Institute, China National Offshore Oil Corp, Beijing 100027, China;Research Institute, China National Offshore Oil Corp, Beijing 100027, China

投稿時(shí)間：2012-08-26
引用方式：Liu, L., Zhang, T., Zhao, X. et al. Pet. Sci. (2013) 10: 139. https://doi.org/10.1007/s12182-013-0261-x

文章摘要

This paper studied an architecture model of turbidite channel systems based on the shallowlayer high resolution 3D seismic information in the deepwater area in the Niger Delta continental slope, West Africa as a prototype model. Different types of channel systems were identified and the corresponding architecture models were established. The controlling factors, evaluation criteria and spatial distribution of different channel systems were analyzed. This study shows that turbidite channel systems of West Africa could be classified into three types; confined, semi-confined and unconfined, according to the condition of canyon and the levees on both sides. On one hand, along the transport direction, channel system evolves from confined to unconfined. Within channel systems, channel complexes, including two types of incised and enveloped, are the most important reservoir bodies. On the other hand, there is a channel complex evolution from incised to enveloped vertically. The geological factors exert impacts of different levels on the architecture of the turbidite channels in different sedimentary systems or even within the same system.

關(guān)鍵詞

    Niger Delta continental slope, deepwater deposits, turbidite channel systems, architecture models