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Authors: Tianwei Zhou ; Hailong Xu and Shuang Liang

Affiliation: Research Institute of Petroleum Exploration and Development, CNPC and Beijing, China

Keyword(s): Conjugate normal faults, salt structure, Sandbox modeling

Abstract: Fault systems can impose considerable effects on structural closure concerned to oil accumulation. It is widely known that conjugate normal faults were developed over extensional basins, but the evolution of the special fault arrays was seldom reported. The Nanpu Sag, located in the north part of Huanghua Depression of Bohai Bay Basin, is a Cenozoic petroliferous extensional fault-block sag. Based on the interpretation of the 3D seismic data in the Nanpu Sag, the geometry of conjugate normal faults were described both in plane and profile, and the evolution was analyzed using balanced cross-section restoration technique, the results indicated that the special faults were formed in a very short geological time and also in weak extensional setting. Further study of the fault system using a section sandbox modeling technique demonstrated that the conjugate normal faults showing X-style were formed contemporaneously in a homogeneous geologic body under extension. With the development of extension, new X-style faults were formed sequentially at the sides of the pre-conjugate normal faults, all the normal faults constitute a complex conjugate style..The evolution of conjugate normal faults in rift basins has seldom been reported systematically, this study gives important evidence and planar sandbox model provides reliable kinematic models to further the understanding of the description of the conjugate normal faults. (More)

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Paper citation in several formats:
Zhou, T.; Xu, H. and Liang, S. (2018). A Section Sandbox Modeling on the Evolution of Conjugate Normal Faults. In Proceedings of the International Workshop on Environment and Geoscience - IWEG; ISBN 978-989-758-342-1, SciTePress, pages 219-222. DOI: 10.5220/0007428402190222

@conference{iweg18,
author={Tianwei Zhou. and Hailong Xu. and Shuang Liang.},
title={A Section Sandbox Modeling on the Evolution of Conjugate Normal Faults},
booktitle={Proceedings of the International Workshop on Environment and Geoscience - IWEG},
year={2018},
pages={219-222},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007428402190222},
isbn={978-989-758-342-1},
}

TY - CONF

JO - Proceedings of the International Workshop on Environment and Geoscience - IWEG
TI - A Section Sandbox Modeling on the Evolution of Conjugate Normal Faults
SN - 978-989-758-342-1
AU - Zhou, T.
AU - Xu, H.
AU - Liang, S.
PY - 2018
SP - 219
EP - 222
DO - 10.5220/0007428402190222
PB - SciTePress

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