Estuarine-systems,developed upon transgressive-phases,feature high-quality reservoir-facies,e.g.tidalbars,that are important stratigraphic-plays critical for hydrocarbon exploration-development.However,capturing their...Estuarine-systems,developed upon transgressive-phases,feature high-quality reservoir-facies,e.g.tidalbars,that are important stratigraphic-plays critical for hydrocarbon exploration-development.However,capturing their intricate architectural elements(heterogeneity and quality)is still challenging due to the complex stacking-nature and limited-examples.Moreover,defining reservoir-boundaries upon staticmodeling of reservoirs cannot be efficient unless it is controlled by stratal-geometries and established depositional-models.To this end,in this study,we performed 3D-static geocellular reservoir-modeling process for the Late-Cenomanian AbuRoash“G”Member(Abu-Gharadig Basin,Egypt)with sequencestratigraphic and geomodel,relative-geological-time(RGT)model and horizon-stacks,constraints.In this investigation,as an effective-workflow,not only facies-analysis,integrating seismic-stratigraphy and GR-log motifs,was applied for paleo-environment reconstruction,but also machine learning-based electrofacies were applied,through self-organized-maps(SOM),to accurately recognize complex facies-assemblages present.Object-based and pixel-based stochastic-simulation processes were applied upon geocellularly modeling rock and fluid properties,utilizing key-information scales of seismic and well-log data.The results show that three third-order depositional sequences dominate the succession,resting on the Late-Cretaceous unconformity,of which sequence-1 encloses the lowstand and transgressive systems-tracts of the fluvio-estuarine Bahariya and Abu Roash“G”units,respectively.The transgressive phase built AbuRoash“G”lithounit features an estuarine depositional-system encompassing four facies-associations,of which tidal-sand-bars represent significant gas-bearing reservoir-quality facies.The tidal-bar facies’efficient reservoir quality calls for attention and testing in future development plans and investigation in similar settings.Furthermore,the facies-constrained workflow established in this study,for reservoir modeling,can effectively help identify the ultimate reservoir-configuration worldwide,as long as the 3D-static modeling process is controlled by the stratal and geomodel restraints.展开更多
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 petr...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 petroleum.Therefore,a complete subsurface visualization of the petroleum system nature,elements and processes,is badly required.To 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 wells.The geometry and property of the reservoir were acquired performing static reservoir geocellular modeling approach.The geohistory,timing of charge,migration pathways,and accumulation sites were identified performing 1D and 2D basin modeling approaches.Combining 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 area.As 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 area.This prospect has all features that adequately lead to reliable inferences regarding the ultimate petroleum potential of the area.展开更多
Lacustrine-fan deltas feature high reservoir-quality lithounits that are critical targets to hydrocarbon exploration and development.However,depicting their intricate sedimentary architectural elements is still challe...Lacustrine-fan deltas feature high reservoir-quality lithounits that are critical targets to hydrocarbon exploration and development.However,depicting their intricate sedimentary architectural elements is still challenging due to complex stacking-patterns and limited examples.In 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 hydrocarbon-charging.This 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 facies.Given efficient reservoir-quality,mouth sand-bars deserve special consideration,and testing,while running further oilfield development-endeavours and investigating similar-settings.展开更多
目的研究和设计一种新型3D打印的手指静态进展性牵伸(Static progressive stretch,SPS)支具,并观察其在手指掌侧瘢痕挛缩松解植皮术后患者家庭康复中的应用效果。方法2020年9月至2021年5月收治的手指掌侧瘢痕挛缩松解植皮术后患者中选...目的研究和设计一种新型3D打印的手指静态进展性牵伸(Static progressive stretch,SPS)支具,并观察其在手指掌侧瘢痕挛缩松解植皮术后患者家庭康复中的应用效果。方法2020年9月至2021年5月收治的手指掌侧瘢痕挛缩松解植皮术后患者中选取符合入组标准的患者,采用区组随机化方法进行分组,两组分别使用3D打印手指SPS支具(试验组)和常规静态支具(对照组)进行家庭康复训练。3D打印手指SPS支具通过采用激光扫描技术、计算机辅助设计以及3D打印技术实现快速成型。治疗前、治疗后1个月及治疗后2个月进行随访,分别评价两组患者的近侧指间关节的主动关节活动度(Active range of motion,AROM)、被动关节活动度(Passive rang of motion,PROM)、疼痛模拟视觉评分(Visual analogue scale,VAS)、DASH上肢功能损伤评定表、Morisky服药依从性量表(Morisky medication adherence scale,MMAS-8)和魁北克辅具使用者满意度评估量表(Quebec user evaluation of satisfaction with assistive technology 2.0,QUEST 2.0)等指标,并进行成本-效果分析。结果本研究共纳入患者22例,试验组和对照组各11例。两组AROM、PROM、VAS以及DASH评分在治疗后均有改善(P<0.05),试验组的改善更为明显(P<0.05),满意度和依从性也更高(P<0.05),更具成本-效果意义(P<0.05)。结论经过数字化设计的3D打印手指SPS支具具有一定可行性以及进一步研究和临床应用的价值,也为同类型支具的设计提供了一定的参考。展开更多
文摘Estuarine-systems,developed upon transgressive-phases,feature high-quality reservoir-facies,e.g.tidalbars,that are important stratigraphic-plays critical for hydrocarbon exploration-development.However,capturing their intricate architectural elements(heterogeneity and quality)is still challenging due to the complex stacking-nature and limited-examples.Moreover,defining reservoir-boundaries upon staticmodeling of reservoirs cannot be efficient unless it is controlled by stratal-geometries and established depositional-models.To this end,in this study,we performed 3D-static geocellular reservoir-modeling process for the Late-Cenomanian AbuRoash“G”Member(Abu-Gharadig Basin,Egypt)with sequencestratigraphic and geomodel,relative-geological-time(RGT)model and horizon-stacks,constraints.In this investigation,as an effective-workflow,not only facies-analysis,integrating seismic-stratigraphy and GR-log motifs,was applied for paleo-environment reconstruction,but also machine learning-based electrofacies were applied,through self-organized-maps(SOM),to accurately recognize complex facies-assemblages present.Object-based and pixel-based stochastic-simulation processes were applied upon geocellularly modeling rock and fluid properties,utilizing key-information scales of seismic and well-log data.The results show that three third-order depositional sequences dominate the succession,resting on the Late-Cretaceous unconformity,of which sequence-1 encloses the lowstand and transgressive systems-tracts of the fluvio-estuarine Bahariya and Abu Roash“G”units,respectively.The transgressive phase built AbuRoash“G”lithounit features an estuarine depositional-system encompassing four facies-associations,of which tidal-sand-bars represent significant gas-bearing reservoir-quality facies.The tidal-bar facies’efficient reservoir quality calls for attention and testing in future development plans and investigation in similar settings.Furthermore,the facies-constrained workflow established in this study,for reservoir modeling,can effectively help identify the ultimate reservoir-configuration worldwide,as long as the 3D-static modeling process is controlled by the stratal and geomodel restraints.
文摘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 petroleum.Therefore,a complete subsurface visualization of the petroleum system nature,elements and processes,is badly required.To 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 wells.The geometry and property of the reservoir were acquired performing static reservoir geocellular modeling approach.The geohistory,timing of charge,migration pathways,and accumulation sites were identified performing 1D and 2D basin modeling approaches.Combining 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 area.As 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 area.This prospect has all features that adequately lead to reliable inferences regarding the ultimate petroleum potential of the area.
文摘Lacustrine-fan deltas feature high reservoir-quality lithounits that are critical targets to hydrocarbon exploration and development.However,depicting their intricate sedimentary architectural elements is still challenging due to complex stacking-patterns and limited examples.In 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 hydrocarbon-charging.This 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 facies.Given efficient reservoir-quality,mouth sand-bars deserve special consideration,and testing,while running further oilfield development-endeavours and investigating similar-settings.
文摘目的研究和设计一种新型3D打印的手指静态进展性牵伸(Static progressive stretch,SPS)支具,并观察其在手指掌侧瘢痕挛缩松解植皮术后患者家庭康复中的应用效果。方法2020年9月至2021年5月收治的手指掌侧瘢痕挛缩松解植皮术后患者中选取符合入组标准的患者,采用区组随机化方法进行分组,两组分别使用3D打印手指SPS支具(试验组)和常规静态支具(对照组)进行家庭康复训练。3D打印手指SPS支具通过采用激光扫描技术、计算机辅助设计以及3D打印技术实现快速成型。治疗前、治疗后1个月及治疗后2个月进行随访,分别评价两组患者的近侧指间关节的主动关节活动度(Active range of motion,AROM)、被动关节活动度(Passive rang of motion,PROM)、疼痛模拟视觉评分(Visual analogue scale,VAS)、DASH上肢功能损伤评定表、Morisky服药依从性量表(Morisky medication adherence scale,MMAS-8)和魁北克辅具使用者满意度评估量表(Quebec user evaluation of satisfaction with assistive technology 2.0,QUEST 2.0)等指标,并进行成本-效果分析。结果本研究共纳入患者22例,试验组和对照组各11例。两组AROM、PROM、VAS以及DASH评分在治疗后均有改善(P<0.05),试验组的改善更为明显(P<0.05),满意度和依从性也更高(P<0.05),更具成本-效果意义(P<0.05)。结论经过数字化设计的3D打印手指SPS支具具有一定可行性以及进一步研究和临床应用的价值,也为同类型支具的设计提供了一定的参考。
