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Petroleum system analysis-conjoined 3D-static reservoir modeling in a 3-way and 4-way dip closure setting: Insights into petroleum geology of fluvio-marine deposits at BED-2 Field (Western Desert, Egypt)

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Petroleum 2023年第1期9卷 8-32页

作者： Mohammad A.Abdelwahhab Emad H.Ali nabil a.abdelhafez Geology Department Faculty of ScienceAl-Azhar UniversityNasr CityCairo11884Egypt Oman Sea PetroServices LLC. Oman

Imperfect determination of petroleum system processes coincidence,entrapment and charge timing,along with reservoir heterogeneity can considerably cause high risks throughout exploration and development phases of ***,a complete subsurface visualization of the petroleum system nature,elements and processes,is badly *** this end,we corroborated,in this study,static reservoir modeling with petroleum system analysis workflows,to better characterize the Cenomanian fluvio-marine reservoir,sandstones of Bahariya Formation,at Bed-2 Field,Abu Gharadig Basin(Western Desert,Egypt).We used dataset of 2D seismic profiles and well logs of eight *** geometry and property of the reservoir were acquired performing static reservoir geocellular modeling *** geohistory,timing of charge,migration pathways,and accumulation sites were identified performing 1D and 2D basin modeling *** both approaches was aimed at identifying new petroleum prospect areas,and estimating the hydrocarbon volumes,that are the need for such poorly-defined petroleum systems *** indicated by the constructed,robust,reservoir and 1D-2D basin models,an additional hydrocarbon prospect,to the north central part of Bed-2 Field,is proposed to be drilled during the further oilfield development phases of the *** prospect has all features that adequately lead to reliable inferences regarding the ultimate petroleum potential of the area.

关键词： Petroleum system analysis 3D-static reservoir modeling Volumetric assessment Prospect identification Bahariya Formation Western Desert of Egypt

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Machine learning-supported seismic stratigraphy of the Paleozoic Nubia Formation(SW Gulf of Suez-rift):Implications for paleoenvironmentpetroleum geology of a lacustrine-fan delta

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Petroleum 2023年第2期9卷 301-315页

作者： Mohammad A.Abdelwahhab nabil a.abdelhafez Ahmed M.Embabi Geology Department Faculty of ScienceAl-Azhar UniversityNasr CityCairoEgypt

Steeply dipping prograding fan deltas possess high reservoir quality facies that could be excellent targets while exploring for *** to their complex stacking nature,and limited examples,delineating their architectural elements is still *** this paper we mainly performed sedimentary facies analysis;applying various disciplines *** stratigraphy,seismic stratigraphy,GR-log motifs,and seismic waveform segmentation;so as to adequately depict the reservoir heterogeneity and quality of the Paleozoic Nubia clastics in West Esh El Mallaha Concession(southwest Gulf of Suez rift).Organic maturity prediction,to confirm the hydrocarbon charging from source units to reservoir intervals,was also of most importance in this ***,1D basin model was established to define the past geologic events;subsidence,and thermal maturity;and their controls on sedimentary basin evolution and associated petroleum *** utilized several key-information scales;*** logs,and seismic *** different disciplines applied in this study points to a successful integrated reservoir characterization workflow capable of unfolding ancient environments and the associated hydrocarbon *** results show that Nubia Formation was built during the lowstandtransgressive phase of a 3rd order depositional *** encompasses fluvio-lacustrine system with eight sedimentary facies associations;form source to *** channels and mouth bars,settled in subaerial and subaqueous settings respectively,represent the most significant reservoir facies in the *** best hydrocarbon-reservoir quality,the deltaic mouth bars ought to attract attention of further oilfield development plans and be considered while investigating similar settings.

关键词： Seismic stratigraphy Nubia formation Paleoenvironment Petroleum geology West Esh El Mallaha concession Gulf of Suez

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维普期刊数据库

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3D-static reservoir and basin modeling of a lacustrine fan-deltaic system in the Gulf of Suez,Egypt

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Petroleum Research 2023年第1期8卷 18-35页

作者： Mohammad A.Abdelwahhab nabil a.abdelhafez Ahmed M.Embabi Geology Department Faculty of ScienceAl-Azhar UniversityNasr CityCairo11884Egypt

Lacustrine-fan deltas feature high reservoir-quality lithounits that are critical targets to hydrocarbon exploration and ***,depicting their intricate sedimentary architectural elements is still challenging due to complex stacking-patterns and limited *** this study,both 3D-static geocellular reservoir modeling and 1D-basin modeling approaches were combined as an established effective workflow that is capable of efficiently delineating reservoir-heterogeneities and confirming *** integration was for the purpose of unlocking the ultimate petroleum potential of fluvio-lacustrine units,Nubia Formation,in the southwest of the Gulf of Suez rift(West Esh-ElMallaha Concession,Egypt).Pixel-based stochastic-simulation was applied,constrained by an established depositional-model developed after adequate integrated-facies analysis,upon geocellularly modeling rock and fluid properties of Nubia reservoir intervals;utilizing several key-information scales(seismic-profiles,well-logs).The results reveal a lowstand-transgressive systems tract encompassing fluvio-lacustrine depositional-systems subdivided into eight facies-associations,of which fluvialchannels and deltaic mouth bars represent significant reservoir-quality *** efficient reservoir-quality,mouth sand-bars deserve special consideration,and testing,while running further oilfield development-endeavours and investigating similar-settings.

关键词： Facies analysis 3D-static reservoir modeling Basin modeling Paleoenvironment-petroleum geology Gilbert-type fan-deltas Gulf of suez rift

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