Ras Kanayes Western Desert

1

• The Wedgwood Project
• Integrating Fluid Flow and Structural Modelling

Platte River Associates Inc., Boulder, Colorado,
USA Basin Dynamics Research Group, Keele
University, Keele, UK Conwy Valley Consultants
Ltd., Deganwy, North Wales, UK Informatics
Department, Univ. of Wales in Bangor, Bangor,
North Wales, UK
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• Input from Various Models
• 3-D coupled model without structure (Bas)
• Multiple 1-D calculations (BasinMod batch)

GEM Phase 2 Features
3
BAS or BasinMod 1-D batch
BasinView
Paleo Values
GEM
BasinMod 3-D System Phase 2
3-D Surface Viewer
4
ModelBuilder
Present-Day Values
Struct 3-D
Geometry, Porosity
BasinMod 3-D System Phase 3
Paleo Values
5

• Automated structural restoration
• Generation of structural geometries at multiple
  time steps for BasinMod 3-D
• Performs time/depth conversions
• Integrated compensation for compaction effects
  during each stage of restoration
• Structural models are represented by triangulated
  mesh surfaces

Struct 3-D Features
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ModelBuilder
Present-Day Values
Struct 3-D
Geometry, Porosity
BasinMod 3-D System Phase 3
Paleo Values
SIM
Pressure Temperature
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• Refines Porosity reduction due to chemical
  processes,
• Temperature, and
• Pressure
• Works with highly deformed geometries such as
  normal, reverse, and thrust faults.
• Nodes do not have to line up vertically.

SIM Features
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Current Mesh used in Bas 3D
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Planned Mesh for BasinMod 3-D
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Calculation Nodes
Lithology A
Tetrahedrization
Lithology B
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Lithology A
Tetrahedrization
Lithology B
Create duplicate nodes at lithology boundaries
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Lithology A
Tetrahedrization
Lithology B
Fill the tetrahedral mesh
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Normal Fault
Horizon A (SH)
Fill Tetrahedral Mesh
Horizon B (SS)
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Normal Fault
Horizon A (SH)
Fill Tetrahedral Mesh
Horizon B (SS)
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Horizon A (SH)
Fill Tetrahedral Mesh
Horizon B (SS)
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Horizon A (SH)
Fill Tetrahedral Mesh
Horizon B (SS)
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Fill Tetrahedral Mesh
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ModelBuilder
Present-Day Values
Struct 3-D
Geometry, Porosity
BasinMod 3-D System Phase 3
Paleo Values
GEM
SIM
Pressure Temperature
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• Input from Various Models
• 3-D coupled model without structure (BAS)
• Multiple 1-D calculations (BasinMod batch)
• 3-D uncoupled model with structure (SIM)

GEM Phase 3 Features
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Generation-Expulsion-MigrationGEM

• Unlimited number of source and reservoir units
• LLNL and BP kinetics
• HC buoyancy, hydrodynamic, and capillary
  threshold pressure used to calculate potential
  energy for HC liquid and vapor phases
• Migration along vertical faults
• Seal Leakage
• Trap Spill
• 3-D Ray Tracing
• Provides maximum flexibility to model
  stratigraphic traps via specification of
  porosity, and pore throat radius or capillary
  threshold pressure
• Reports trap PVT through time
• Input from 3-D finite element or multi 1-D
  calculations
• All calculated nodes used to build tetrahedral
  mesh

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trap
trap
trap
trap
source
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1000 mD
1 mD
0.001 mD
1e-6 mD
Permeabilty from 3-D Finite Element Calculation
0 mD
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Oil generated volume
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000 Ma
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000 Ma
26
000 Ma
Hydrocarbon Expelled Mass for Rock Unit
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030 Ma
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030 Ma
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ModelBuilder
Present-Day Values
Struct 3-D
Geometry, Porosity
BasinMod 3-D System Phase 3
Paleo Values
GEM
SIM
Pressure Temperature
3-D Surface Viewer
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Decision Making
Decision
Risk Analysis
Information
Petroleum Systems Analysis
Exploration Pyramid
Analysis
Interpretation/Modelling
Exploration Data
Data