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Proceedings of the International Field Exploration and Development Conference 2017 pp 523–538Cite as

The Influences of Climate and Water-Level Changes on the Evolution of Sequence Stratigraphy and Sedimentary System of the Lower Cretaceous, in the Fula Sag, Muglad Basin, Sudan

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Part of the book series: Springer Series in Geomechanics and Geoengineering ((SSGG))

Abstract

Sequence stratigraphic and sedimentologic theories and methods were employed in the study of sequence stratigraphic features and sedimentary system distributions in the Cretaceous of the Jake oil field in Fula sag,Muglad Basin,Sudan.Data gathered through core,drilling and logging and seismic events,were resorted to establish sequence stratigraphic framework,determine the types and distribution of sedimentary facies and understand evolution pattern and controlling factors in Lower Cretaceous.The Cretaceous can be described as three second-order sequences, and Lower Cretaceous can be divided into seven three-order sequences.The result shows that sedimentary facies including fan delta,submarine fan,braided river deltas and rivers deposits were recognized in the Lower Cretaceous.Depositional facies varied vertically from fan delta to submarine fan and then to braided river delta in Abu Gabra Formation, and from braided river to meandering river and then to delta in the Bentiu Formation.The distribution of the sediments is controlled by multi-factors in Jake oil field. Vertically, tectonic activity is the main factor which control the facies change in Abu Gabra. However, climate change and coast recession mainly affect the facies distribution. Horizontally,sediment supply and local subsidence differences controlled the distribution of sand body.

Copyright 2017, Shaanxi Petroleum Society.

This paper was prepared for presentation at the 2017 International Field Exploration and Development Conference in Chengdu, China, 21–22 September 2017.

This paper was selected for presentation by the IFEDC&IPPTC Committee following review of information contained in an abstract submitted by the author(s). Contents of the paper, as presented, have not been reviewed by the IFEDC&IPPTC Committee and are subject to correction by the author(s). The material does not necessarily reflect any position of the IFEDC&IPPTC Committee, its members. Papers presented at the Conference are subject to publication review by Professional Committee of Petroleum Engineering of Shaanxi Petroleum Society. Electronic reproduction, distribution, or storage of any part of this paper for commercial purposes without the written consent of Shaanxi Petroleum Society is prohibited. Permission to reproduce in print is restricted to an abstract of not more than 300 words; illustrations may not be copied. The abstract must contain conspicuous acknowledgment of IFEDC&IPPTC. Contact email: paper@ifedc.org or paper@ipptc.org.

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Acknowledgements

This project is supported by China National Science and Technology Major Project (No. (2016ZX5010). We want to express many thanks to Research Institute of Petroleum Exploration & Development, CNPC and China University of Petroleum for their indispensable help and valuable suggestions. We especially thank Dr. Shunming Li, Dr. Rubing Han and other colleagues for working very industriously on this project. It is not easy to do research in such complicated rift basin, and they have done considerable work to advance the project.

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Authors and Affiliations

  1. Research Institute of Petroleum Exploration & Development, Beijing, China

    Cheng Chen & Yixiang Zhu

Authors
  1. Cheng Chen
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  2. Yixiang Zhu
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Correspondence to Cheng Chen .

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Editors and Affiliations

  1. Xi’an Shiyou University, Xi’an, Shaanxi, China

    Zhan Qu

  2. School of International Education, Xi’an Shiyou University, Xi’an, Shaanxi, China

    Jia'en Lin

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Chen, C., Zhu, Y. (2019). The Influences of Climate and Water-Level Changes on the Evolution of Sequence Stratigraphy and Sedimentary System of the Lower Cretaceous, in the Fula Sag, Muglad Basin, Sudan. In: Qu, Z., Lin, J. (eds) Proceedings of the International Field Exploration and Development Conference 2017. Springer Series in Geomechanics and Geoengineering. Springer, Singapore. https://doi.org/10.1007/978-981-10-7560-5_47

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  • DOI: https://doi.org/10.1007/978-981-10-7560-5_47

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-7559-9

  • Online ISBN: 978-981-10-7560-5

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