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Update Fervo Cape Station 2024 number of fractures & fracture separation per paper values NREL#368 
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‎tests/examples/Fervo_Project_Cape-2.out‎

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@@ -4,15 +4,15 @@
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Simulation Metadata
66
----------------------
7-
GEOPHIRES Version: 3.7.23
8-
Simulation Date: 2025-03-10
9-
Simulation Time: 10:42
10-
Calculation Time: 0.657 sec
7+
GEOPHIRES Version: 3.8.9
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Simulation Date: 2025-03-26
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Simulation Time: 09:57
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Calculation Time: 0.650 sec
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***SUMMARY OF RESULTS***
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End-Use Option: Electricity
15-
Average Net Electricity Production: 8.90 MW
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Average Net Electricity Production: 8.89 MW
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Electricity breakeven price: 10.14 cents/kWh
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Number of production wells: 1
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Number of injection wells: 2
@@ -27,7 +27,7 @@ Simulation Metadata
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Accrued financing during construction: 5.00
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Project lifetime: 15 yr
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Capacity factor: 90.0 %
30-
Project NPV: 42.33 MUSD
30+
Project NPV: 42.34 MUSD
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Project IRR: 17.60 %
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Project VIR=PI=PIR: 1.83
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Project MOIC: 1.42
@@ -67,9 +67,9 @@ Simulation Metadata
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Fracture width: 400.00 meter
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Fracture area: 120000.00 m**2
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Reservoir volume calculated with fracture separation and number of fractures as input
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Number of fractures: 108.00
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Fracture separation: 30.00 meter
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Reservoir volume: 385200000 m**3
70+
Number of fractures: 80.00
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Fracture separation: 18.00 meter
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Reservoir volume: 170640000 m**3
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Reservoir impedance: 0.0100 GPa.s/m**3
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Reservoir density: 2800.00 kg/m**3
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Reservoir thermal conductivity: 3.05 W/m/K
@@ -78,30 +78,30 @@ Simulation Metadata
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***RESERVOIR SIMULATION RESULTS***
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Maximum Production Temperature: 199.7 degC
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Average Production Temperature: 199.5 degC
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Maximum Production Temperature: 199.6 degC
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Average Production Temperature: 199.4 degC
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Minimum Production Temperature: 198.2 degC
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Initial Production Temperature: 198.2 degC
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Average Reservoir Heat Extraction: 55.61 MW
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Average Reservoir Heat Extraction: 55.60 MW
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Production Wellbore Heat Transmission Model = Ramey Model
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Average Production Well Temperature Drop: 2.3 degC
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Total Average Pressure Drop: 607.6 kPa
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Total Average Pressure Drop: 607.8 kPa
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Average Injection Well Pressure Drop: 475.8 kPa
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Average Reservoir Pressure Drop: 976.6 kPa
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Average Production Well Pressure Drop: 2003.0 kPa
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Average Buoyancy Pressure Drop: -2847.8 kPa
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Average Buoyancy Pressure Drop: -2847.5 kPa
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***CAPITAL COSTS (M$)***
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Drilling and completion costs: 14.40 MUSD
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Drilling and completion costs per well: 4.80 MUSD
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Stimulation costs: 10.00 MUSD
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Surface power plant costs: 24.69 MUSD
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Surface power plant costs: 24.68 MUSD
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Field gathering system costs: 1.68 MUSD
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Total surface equipment costs: 26.37 MUSD
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Total surface equipment costs: 26.36 MUSD
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Exploration costs: 0.00 MUSD
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Total capital costs: 50.77 MUSD
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Total capital costs: 50.76 MUSD
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***OPERATING AND MAINTENANCE COSTS (M$/yr)***
@@ -119,12 +119,12 @@ Simulation Metadata
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Average Total Electricity Generation: 9.04 MW
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Minimum Total Electricity Generation: 8.90 MW
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Initial Total Electricity Generation: 8.90 MW
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Maximum Net Electricity Generation: 8.92 MW
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Average Net Electricity Generation: 8.90 MW
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Maximum Net Electricity Generation: 8.91 MW
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Average Net Electricity Generation: 8.89 MW
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Minimum Net Electricity Generation: 8.75 MW
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Initial Net Electricity Generation: 8.75 MW
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Average Annual Total Electricity Generation: 71.28 GWh
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Average Annual Net Electricity Generation: 70.14 GWh
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Average Annual Total Electricity Generation: 71.27 GWh
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Average Annual Net Electricity Generation: 70.13 GWh
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Initial pumping power/net installed power: 1.68 %
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Average Pumping Power: 0.15 MW
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Heat to Power Conversion Efficiency: 16.00 %
@@ -146,10 +146,10 @@ Simulation Metadata
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9 1.0069 199.56 0.1450 8.9066 16.0056
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10 1.0070 199.58 0.1450 8.9091 16.0076
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11 1.0071 199.60 0.1450 8.9113 16.0094
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12 1.0072 199.62 0.1450 8.9133 16.0110
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13 1.0073 199.63 0.1449 8.9150 16.0124
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14 1.0074 199.65 0.1449 8.9166 16.0137
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15 1.0074 199.66 0.1449 8.9181 16.0149
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12 1.0072 199.61 0.1450 8.9131 16.0109
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13 1.0073 199.63 0.1450 8.9144 16.0119
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14 1.0073 199.63 0.1450 8.9145 16.0119
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15 1.0072 199.61 0.1452 8.9120 16.0098
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*******************************************************************
@@ -158,21 +158,21 @@ Simulation Metadata
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YEAR ELECTRICITY HEAT RESERVOIR PERCENTAGE OF
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PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED
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(GWh/year) (GWh/year) (10^15 J) (%)
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1 69.5 436.2 116.63 1.33
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2 69.9 437.5 115.05 2.66
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3 70.0 437.9 113.48 4.00
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4 70.1 438.2 111.90 5.33
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5 70.1 438.4 110.32 6.66
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6 70.2 438.5 108.74 8.00
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7 70.2 438.6 107.16 9.34
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8 70.2 438.7 105.58 10.67
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9 70.2 438.8 104.00 12.01
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10 70.2 438.8 102.42 13.35
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11 70.3 438.9 100.84 14.68
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12 70.3 438.9 99.26 16.02
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13 70.3 439.0 97.68 17.36
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14 70.3 439.0 96.10 18.69
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15 70.3 439.0 94.52 20.03
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1 69.5 436.2 50.79 3.00
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2 69.9 437.5 49.21 6.01
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3 70.0 437.9 47.64 9.02
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4 70.1 438.2 46.06 12.03
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5 70.1 438.4 44.48 15.05
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6 70.2 438.5 42.90 18.06
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7 70.2 438.6 41.33 21.08
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8 70.2 438.7 39.75 24.09
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9 70.2 438.8 38.17 27.11
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10 70.2 438.8 36.59 30.13
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11 70.3 438.9 35.01 33.14
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12 70.3 438.9 33.43 36.16
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13 70.3 438.9 31.85 39.18
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14 70.3 438.9 30.27 42.20
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15 70.2 438.8 28.69 45.21
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********************************
@@ -182,19 +182,19 @@ Year Electricity | Heat |
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Since Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | OPEX Net Rev. Net Cashflow
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Start (cents/kWh)(MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(USD/lb) (MUSD/yr) (MUSD) |(MUSD/yr) (MUSD/yr) (MUSD)
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________________________________________________________________________________________________________________________________________________________________________________________
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0 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -50.77 -50.77
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1 15.00 10.43 10.43 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 8.75 -42.02
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2 15.00 10.48 20.91 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 8.81 -33.21
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3 15.41 10.78 31.69 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.11 -24.10
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4 15.81 11.08 42.77 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.40 -14.70
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5 16.22 11.37 54.14 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.70 -5.00
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6 16.62 11.66 65.80 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.99 4.98
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7 17.03 11.95 77.75 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 10.28 15.26
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8 17.43 12.24 89.99 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 10.56 25.83
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9 17.84 12.53 102.51 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 10.85 36.68
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10 18.24 12.82 115.33 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.14 47.82
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11 18.65 13.10 128.43 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.43 59.25
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12 19.05 13.39 141.82 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.72 70.97
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13 19.46 13.68 155.50 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.00 82.97
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14 19.86 13.97 169.47 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.29 95.26
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15 20.27 14.25 183.72 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.58 107.84
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0 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -50.76 -50.76
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1 15.00 10.43 10.43 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 8.75 -42.01
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2 15.00 10.48 20.91 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 8.81 -33.20
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3 15.41 10.78 31.69 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.11 -24.09
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4 15.81 11.08 42.77 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.40 -14.69
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5 16.22 11.37 54.14 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.70 -4.99
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6 16.62 11.66 65.80 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 9.99 5.00
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7 17.03 11.95 77.75 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 10.28 15.27
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8 17.43 12.24 89.99 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 10.57 25.84
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9 17.84 12.53 102.51 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 10.85 36.69
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10 18.24 12.82 115.33 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.14 47.84
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11 18.65 13.10 128.43 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.43 59.27
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12 19.05 13.39 141.82 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.72 70.98
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13 19.46 13.68 155.50 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.00 82.98
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14 19.86 13.96 169.46 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.29 95.27
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15 20.27 14.24 183.69 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.56 107.83

‎tests/examples/Fervo_Project_Cape-2.txt‎

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@@ -14,11 +14,11 @@ Reservoir Thermal Conductivity, 3.05
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Reservoir Porosity, 0.0118
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Reservoir Impedance, 0.01
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Number of Fractures, 108
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Number of Fractures, 80, -- "The initial completions batch consisted of 80 individual stages in the cased and cemented horizontal sections of 3 wells."
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Fracture Shape, 4
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Fracture Height, 300
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Fracture Height, 300, -- Estimated value supported by modeling.
2020
Fracture Width, 400
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Fracture Separation, 30
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Fracture Separation, 18, -- Lateral length is 4700 ft = 1432 m. Dividing 1432 by 80 = ~18 m fracture spacing.
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Number of Segments, 1
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Gradient 1, 74, -- temperature at 8500 ft: 200 degC (https://pangea.stanford.edu/ERE/db/GeoConf/papers/SGW/2024/Fercho.pdf); 228.89 degC @ 9824 ft (https://doi.org/10.31223/X5VH8C)

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