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Facies-Constrained Reservoir Prediction of Pre-Salt Carbonate Reservoir Deeply Buried in F-Block of the Caspian Basin
Pages: 138-142
Year: Issue:  4
Journal: Acta Scientiarum Naturalium Universitatis Sunyatseni

Keyword:  facies-constrainedfrequency divisionreservoir predictionhydrocarbon prediction;
Abstract: Carboniferous Tournaisian C1 t reservoir of F block in the Caspian Basin,deeply buried under gypsiferous rock,which seriouslyaffects the quality of seismic data,is difficult to be predicted by conven-tional methods with unfavorable factors of low seismic resolution and imaging quality,restricting the pro-gress of the exploration.By the application of facies-constrained reservoir prediction technology,3 sedi-mentary facies were confirmed according to integrated analysis of seismic facies,logging facies and core data.Under the control of sedimentary facies,2favorable reservoir zones were predicted by amplitude which is the most sensitive attribute for reservoir prediction.Application in favorable reservoir zone Ishows that 100% of the facies-constrained reservoir prediction matches the realdrilling results.There-fore,under the constraints of sedimentary microfacies and sedimentary characteristics,seismic attribut-ionscan be used to accurately predict and characterize complex reservoirs.
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