State Building in the Digital Era Ken Zita - world affairs forum 12 sept 2012
PaleoScan Technical Forum a presentation by Ken Abdulah ...
Transcript of PaleoScan Technical Forum a presentation by Ken Abdulah ...
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PaleoScan Technical Forum
a presentation by
Ken Abdulah and Clemence Prazuck
September 12th, 2019
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Working seamlesslytowards
Geocellular Modeling
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Technology
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATIONWELL ANALYSISSEQUENCE ANALYSISSTRUCTURAL INTERPRETATION FACIES INTERPRETATION3D PROPERTY MODELING
GEOCELLULAR MODELING
In this study, we attempt to illustrate the application of some very innovative software tools available to us in PaleoScan. The PaleoScan suite, together with tools available in GeoTeric, allow us to move traditional data sets seamlessly through:
Well-log based 3D Property Models, guided by seismic data volumes and supported by cross-plot analysis, open up a spectrum of integrated workflows to the interpretation team.
Shear Impedance data remains a critical requirement to more advanced classifications.In this study we had very limited shear data, but have attempted none-the-less to walk the viewer through what we think are valuable workflows.
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Introduction
Geology Geophysics
Static Reservoir Models
Dynamic Reservoir Models
Outcrops, CoresSurface geologyWell-logsStructure & tectonicsSedimentologyStratigraphySubsidence historyDepositional modelsSource rock analysisReservoir parametersProduction dataHorizons, FaultsSeismic attributesSeismic faciesGeostatisticsNeural Networks
Petrophysics
Horizons, FaultsSeismic attributesSeismic faciesGeostatisticsNeural NetworksAVO/AVARock physicsRock mechanicsPost-stack inversionPre-stack inversionVp, Vs, ρ, λ, μBulk modulus, KYoung’s modulus, EPoisson’s ration, σPI, SI, EEI, ψ
Mineral modelsLithofaciesRock physicsRock mechanicsVp, Vsλ, μ, rhoBulk modulus, KYoung’s modulus, EPoisson’s ration, σTOC, Pressure, TempFracture gradientsSw, Sw(irr), Øt, Øeff, κ, η
Basin models
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Introduction
Geology Geophysics
Static Reservoir Models
Dynamic Reservoir Models
Outcrops, CoresSurface geologyWell-logsStructure & tectonicsSedimentologyStratigraphySubsidence historyDepositional modelsSource rock analysisReservoir parametersProduction dataHorizons, FaultsSeismic attributesSeismic faciesGeostatisticsNeural Networks
Petrophysics
Horizons, FaultsSeismic attributesSeismic faciesGeostatisticsNeural NetworksAVO/AVARock physicsRock mechanicsPost-stack inversionPre-stack inversionVp, Vs, ρ, λ, μBulk modulus, KYoung’s modulus, EPoisson’s ration, σPI, SI, EEI, ψ
Mineral modelsLithofaciesRock physicsRock mechanicsVp, Vsλ, μ, rhoBulk modulus, KYoung’s modulus, EPoisson’s ration, σTOC, Pressure, TempFracture gradientsSw, Sw(irr), Øt, Øeff, κ, η
Basin models
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Efficient subsurface analysis relies on integrated workflows
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Volume Interpretation Workflows
PRE-CONDITIONING
STRATIGRAPHIC INTERPRETATIONSTRUCTURAL INTERPRETATIONSEQUENCE ANALYSISFACIES INTERPRETATIONWELL ANALYSIS & CROSS PLOTS3D PROPERTY MODELINGGEOCELLULAR MODELING
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Volume Interpretation Workflows
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATION
STRUCTURAL INTERPRETATIONSEQUENCE ANALYSISFACIES INTERPRETATIONWELL ANALYSIS & CROSS PLOTS3D PROPERTY MODELINGGEOCELLULAR MODELING
Tensor
SODiscSOSemb
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Volume Interpretation Workflows
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATIONSTRUCTURAL INTERPRETATIONSEQUENCE ANALYSIS
FACIES INTERPRETATIONWELL ANALYSIS & CROSS PLOTS3D PROPERTY MODELINGGEOCELLULAR MODELING
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Volume Interpretation Workflows
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATIONSTRUCTURAL INTERPRETATIONSEQUENCE ANALYSIS
FACIES INTERPRETATIONWELL ANALYSIS & CROSS PLOTS3D PROPERTY MODELINGGEOCELLULAR MODELING
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Volume Interpretation Workflows
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATIONSTRUCTURAL INTERPRETATIONSEQUENCE ANALYSISFACIES INTERPRETATIONWELL ANALYSIS & CROSS PLOTS
3D PROPERTY MODELINGGEOCELLULAR MODELING Seismic facies volume
Inverse distance
Cokriging with seismic facies volume
Interpolation options: inverse distance, kriging and co-kriging
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Interpolation: inverse distance versus co-kriging
Inverse distancemap view
Cokriging with seismic facies volume
Inverse distance
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There is a strong dependence on well control and data quality
Maui-1 MB-03A
Maui-1Maui-2Maui-3Maui-6Maui-7MB-03AMB-Z(11)
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Maui 5 blind test
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Lithofacies are defined based on well-log cross plots of Vp/Vs and AI
using the wells MB-03A and MB-Z(11)
Volume Interpretation Workflows
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATIONSTRUCTURAL INTERPRETATIONSEQUENCE ANALYSISFACIES INTERPRETATIONWELL ANALYSIS & CROSS PLOTS3D PROPERTY MODELINGGEOCELLULAR MODELING
Note: having only 2 wells with Vp, Vs logs creates a major limitation. However, we will still examine workflows keeping in mind the danger of circular reasoning.
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Lithofacies volumes can also be classified based on volume cross plots
Note: we have created Vp/Vs and AI volumes by co-kriging the well-log properties, and recognize the risk of very limited data, and potential circular reasoning..!
Maui-3
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Maui 5 blind test
Maui-5
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Lithofacies classification – gas sands vs. shales
Maui-1
Maui-1Maui-2Maui-3Maui-6Maui-7MB-03AMB-Z(11)
MB-03A
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Geocellular models populated by 3D property models
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Structure Map RMS attribute HDFD RGB
9 Seismic Facies Vshale cokriged9 Facies
Lithofaciesfrom Xplot
VpVs/AI_Vshale9 facies
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATIONWELL ANALYSISSEQUENCE ANALYSISSTRUCTURAL INTERPRETATION FACIES INTERPRETATION3D PROPERTY MODELING
GEOCELLULAR MODELING
In this study, we attempt to illustrate the application of some of the very innovative software tools available to us in PaleoScan. The PaleoScan suite, together with tools available in GeoTeric, allow us to move traditional data sets seamlessly through:
Well-log based 3D Property Models, guided by seismic data volumes and supported by cross-plot analysis, open up a spectrum of integrated workflows to the interpretation team.
Shear Impedance data remains a critical requirement to more advanced classifications.
![Page 21: PaleoScan Technical Forum a presentation by Ken Abdulah ...](https://reader031.fdocuments.us/reader031/viewer/2022012420/617484378f09375b8f7ec3c7/html5/thumbnails/21.jpg)
Efficient integrated workflows
Geology Geophysics
Static Reservoir Models
Dynamic Reservoir Models
Outcrops, CoresSurface geologyWell-logsStructure & tectonicsSedimentologyStratigraphySubsidence historyDepositional modelsSource rock analysisReservoir parametersProduction dataHorizons, FaultsSeismic attributesSeismic faciesGeostatisticsNeural Networks
Petrophysics
Horizons, FaultsSeismic attributesSeismic faciesGeostatisticsNeural NetworksAVO/AVARock physicsRock mechanicsPost-stack inversionPre-stack inversionVp, Vs, ρ, λ, μBulk modulus, KYoung’s modulus, EPoisson’s ration, σPI, SI, EEI, ψ
Mineral modelsLithofaciesRock physicsRock mechanicsVp, Vsλ, μ, rhoBulk modulus, KYoung’s modulus, EPoisson’s ration, σTOC, Pressure, TempFracture gradientsSw, Sw(irr), Øt, Øeff, κ, η
Basin models
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Thanks for your kind attention ….!
PRE-CONDITIONINGSTRATIGRAPHIC INTERPRETATIONWELL ANALYSISSEQUENCE ANALYSISSTRUCTURAL INTERPRETATION FACIES INTERPRETATION3D PROPERTY MODELING
GEOCELLULAR MODELING
Special thanks to Eliis for their invitation to
participate..!