TerraModTerraModTerraTerraModMod

Basin Modelling SoftwareBasin Modelling Software

Demonstration Demonstration of of

Thrust ModelsThrust Models

TerraMod Thrust ModellingTerraMod Thrust Modelling

Event Type = ThrustEvent Type = Thrust Emplaces Older Layers on YoungerEmplaces Older Layers on Younger Define:Define:

Timing and Duration of ThrustingTiming and Duration of Thrusting Layers Cut Out by ThrustLayers Cut Out by Thrust Transient Heat Flow During ThrustingTransient Heat Flow During Thrusting

Select Project: Thrusts

Select Event Type

Calibration Data are Vital for Accurate and Realistic

Models

Thrust Emplacement

PressurePressure

Simulation Calculates Detailed Simulation Calculates Detailed Transient Pressure HistoriesTransient Pressure Histories Review Excess Pressure with Depth Plot ‘Time-Review Excess Pressure with Depth Plot ‘Time-

Slices’Slices’ Excess Pressure Plots - Measure Supra-Normal & Excess Pressure Plots - Measure Supra-Normal &

Sub-Normal Pressures from Hydrostatic. Sub-Normal Pressures from Hydrostatic.

Select Excess Pressure Plot Type

Select Time-Slice to Plot

No Excess Pressures Prior to Thrusting and Associated Rapid Sediment Loading

Review Each Time Step for Development of Excess

Pressures Associated With Thrust Loading

Slight Elevation of Pressures Above Hydrostatic

(Note Auto-Scaling on X-Axis)

Development of Early Excess-Pressures From Rapid

Sediment Loading Ahead of Thrust Front

Large Increase in Excess-Pressures (>30,000 kPa)

Associated With Emplacement of Thrust Sheet

Excess-Pressures Decline to >5000 kPa

Continued Declining of Excess-Pressures

Declining Excess-Pressures Within 6 Myrs. After Thrust

Emplacement

Increased Heating Rate and Peak Oil Generation Associated with Thrust

Emplacement

Detailed Temperature History of Each Layer Tracked Through Time

Porosities of Individual Layers are Tracked

Through Time