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example_multiple_gradients.txt
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example_multiple_gradients.txt
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# Example: Multiple Gradients: This problem considers an EGS reservoir at 4km depth with multiple geothermal gradients.
***Subsurface technical parameters***
*************************************
Reservoir Model,1, ---Multiple Fractures reservoir model
Reservoir Depth,4, ---[km]
Number of Segments,4, ---[-]
Gradient 1,50, ---[deg.C/km]
Thickness 1,1, ---[km]
Gradient 2,40, ---[deg.C/km]
Thickness 2,1, ---[km]
Gradient 3,30, ---[deg.C/km]
Thickness 3,1, ---[km]
Gradient 4,50, ---[deg.C/km]
Maximum Temperature,400, ---[deg.C]
Number of Production Wells,2, ---[-]
Number of Injection Wells,2, ---[-]
Production Well Diameter,7, ---[inch]
Injection Well Diameter,7, ---[inch]
Ramey Production Wellbore Model,0, ---0 if disabled 1 if enabled
Production Wellbore Temperature Drop,2, ---[deg.C]
Injection Wellbore Temperature Gain,0, ---[deg.C]
Production Flow Rate per Well,60, ---[kg/s]
Fracture Shape,3, ---[-] Should be 1 2 3 or 4. See manual for details
Fracture Height,600, ---[m]
Reservoir Volume Option,3, ---[-] Should be 1 2 3 or 4. See manual for details
Number of Fractures,20, ---[-]
Reservoir Volume,1000000000, ---[m^3]
Water Loss Fraction,.02, ---[-]
Productivity Index,5, ---[kg/s/bar]
Injectivity Index,5, ---[kg/s/bar]
Injection Temperature,50, ---[deg.C]
Maximum Drawdown,1, ---[-] no redrilling considered
Reservoir Heat Capacity,1000, ---[J/kg/K]
Reservoir Density,2700, ---[kg/m^3]
Reservoir Thermal Conductivity,2.7, ---[W/m/K]
***SURFACE TECHNICAL PARAMETERS***
**********************************
End-Use Option,1, ---[-] Electricity
Power Plant Type,2, ---[-] Supercritcal ORC
Circulation Pump Efficiency,.8, ---[-] between .1 and 1
Utilization Factor,.9, ---[-] between .1 and 1
Surface Temperature,20, ---[deg.C]
Ambient Temperature,20, ---[deg.C]
***FINANCIAL PARAMETERS***
**************************
Plant Lifetime,30, ---[years]
Economic Model,1, ---[-] Fixed Charge Rate Model
Fixed Charge Rate,.05, ---[-] between 0 and 1
Inflation Rate During Construction,0, ---[-]
***CAPITAL AND O&M COST PARAMETERS***
*************************************
Well Drilling and Completion Capital Cost Adjustment Factor,1, ---[-] Use built-in correlations
Well Drilling Cost Correlation,1, ---[-] Use built-in correlations
Reservoir Stimulation Capital Cost Adjustment Factor,1, ---[-] Use built-in correlations
Surface Plant Capital Cost Adjustment Factor,1, ---[-] Use built-in correlations
Field Gathering System Capital Cost Adjustment Factor,1, ---[-] Use built-in correlations
Exploration Capital Cost Adjustment Factor,1, ---[-] Use built-in correlations
Wellfield O&M Cost Adjustment Factor,1, ---[-] Use built-in correlations
Surface Plant O&M Cost Adjustment Factor,1, ---[-] Use built-in correlations
Water Cost Adjustment Factor,1, ---[-] Use built-in correlations
***Simulation Parameters***
***************************
Print Output to Console,1, ---[-] Should be 0 (don't print results) or 1 (print results)
Time steps per year,6, ---[1/year]