Arid
DOI10.1007/s13202-021-01124-2
Multi-disciplinary approach to sedimentary facies analysis of Messinian Salinity Crisis tectono-sequences (South-Mansoura Area, Nile Delta): Incised-valley fill geological model reconstruction and petroleum geology-reservoir element delineation
Elatrash, Ahmed M.; Abdelwahhab, Mohammad A.; Wanas, Hamdalla A.; El-Naggar, Samir, I; Elshayeb, Hasan M.
通讯作者Abdelwahhab, MA (corresponding author), Al Azhar Univ, Fac Sci, Geol Dept, Cairo 11884, Egypt.
来源期刊JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION
ISSN2190-0558
EISSN2190-0566
出版年2021
卷号11期号:4页码:1643-1666
英文摘要The quality of a hydrocarbon reservoir is strongly controlled by the depositional and diagenetic facies nature of the given rock. Therefore, building a precise geological/depositional model of the reservoir rock is critical to reducing risks while exploring for petroleum. Ultimate reservoir characterization for constructing an adequate geological model is still challenging due to the in general insufficiency of data; particularly integrating them through combined approaches. In this paper, we integrated seismic geomorphology, sequence stratigraphy, and sedimentology, to efficiently characterize the Upper Miocene, incised-valley fill, Abu Madi Formation at South Mansoura Area (Onshore Nile Delta, Egypt). Abu Madi Formation, in the study area, is a SW-NE trending reservoir fairway consisting of alternative sequences of shales and channel-fill sandstones, of the Messinian age, that were built as a result of the River Nile sediment supply upon the Messinian Salinity Crisis. Hence, it comprises a range of continental to coastal depositional facies. We utilized dataset including seismic data, complete set of well logs, and core samples. We performed seismic attribute analysis, particularly spectral decomposition, over stratal slices to outline the geometry of the incised-valley fill. Moreover, well log analysis was done to distinguish different facies and lithofacies associations, and define their paleo-depositional environments; a preceding further look was given to the well log-based sequence stratigraphic setting as well. Furthermore, mineralogical composition and post-depositional diagenesis were identified performing petrographical analysis of some thin sections adopted from the core samples. A linkage between such approaches, performed in this study, and their impact on reservoir quality determination was aimed to shed light on a successful integrated reservoir characterization, capable of giving a robust insight into the depositional facies, and the associated petroleum potential. The results show that MSC Abu Madi Formation constitutes a third-order depositional sequence of fluvial to estuarine units, infilling the Eonile-canyon, with five sedimentary facies associations; overbank mud, fluvial channel complex, estuarine mud, tidal channels, and tidal bars; trending SW-NE with a Y-shape channel geometry. The fluvial facies association (zone 1 and 3) enriches coarse-grained sandstones, deposited in subaerial setting, with significantly higher reservoir quality, acting as the best reservoir facies of the area. Although the dissolution of detrital components, mainly feldspars, enhanced a secondary porosity, improving reservoir quality of MSC Abu Madi sediments, continental fluvial channel facies represent the main fluid flow conduits, where marine influence is limited.
英文关键词Sedimentary Facies Analysis Depositional model Reservoir Quality Incised-valley fill Abu Madi Formation Onshore Nile Delta
类型Article
语种英语
开放获取类型DOAJ Gold
收录类别SCI-E
WOS记录号WOS:000636425600001
WOS关键词SOURCE-TO-SINK ; LATE MIOCENE CLIMATE ; ABU MADI FORMATION ; WESTERN DESERT ; PETROPHYSICAL CHARACTERISTICS ; TECTONOSEDIMENTARY EVOLUTION ; STRATIGRAPHIC INTERPRETATION ; SEISMIC SEDIMENTOLOGY ; ORGANIC GEOCHEMISTRY ; NORTHEASTERN AFRICA
WOS类目Energy & Fuels ; Engineering, Petroleum ; Geosciences, Multidisciplinary
WOS研究方向Energy & Fuels ; Engineering ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/350961
作者单位[Elatrash, Ahmed M.; Elshayeb, Hasan M.] Menoufia Univ, Fac Sci, Dept Geol, Menoufia, Egypt; [Elatrash, Ahmed M.] Egyptian Nat Gas Holding Co EGAS, Explorat Dept, Cairo, Egypt; [Abdelwahhab, Mohammad A.] Al Azhar Univ, Fac Sci, Geol Dept, Cairo 11884, Egypt; [Wanas, Hamdalla A.] King Abdulaziz Univ, Fac Earth Sci, Dept Petr Geol & Sedimentol, Jeddah, Saudi Arabia; [El-Naggar, Samir, I] Alamein Petr Co, Cairo, Egypt
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Elatrash, Ahmed M.,Abdelwahhab, Mohammad A.,Wanas, Hamdalla A.,et al. Multi-disciplinary approach to sedimentary facies analysis of Messinian Salinity Crisis tectono-sequences (South-Mansoura Area, Nile Delta): Incised-valley fill geological model reconstruction and petroleum geology-reservoir element delineation[J],2021,11(4):1643-1666.
APA Elatrash, Ahmed M.,Abdelwahhab, Mohammad A.,Wanas, Hamdalla A.,El-Naggar, Samir, I,&Elshayeb, Hasan M..(2021).Multi-disciplinary approach to sedimentary facies analysis of Messinian Salinity Crisis tectono-sequences (South-Mansoura Area, Nile Delta): Incised-valley fill geological model reconstruction and petroleum geology-reservoir element delineation.JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION,11(4),1643-1666.
MLA Elatrash, Ahmed M.,et al."Multi-disciplinary approach to sedimentary facies analysis of Messinian Salinity Crisis tectono-sequences (South-Mansoura Area, Nile Delta): Incised-valley fill geological model reconstruction and petroleum geology-reservoir element delineation".JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION 11.4(2021):1643-1666.
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