From 8f15ea50c8b34260d959d8b2d5f0d995c5676a96 Mon Sep 17 00:00:00 2001 From: softwareengineerprogrammer <4056124+softwareengineerprogrammer@users.noreply.github.com> Date: Thu, 3 Oct 2024 09:55:52 -0700 Subject: [PATCH 1/3] WIP - initial Project Cape updates --- tests/examples/Fervo_Project_Cape_2.txt | 61 ++++++++++++++++++++++ tests/examples/Fervo_Project_Cape_lite.txt | 61 ++++++++++++++++++++++ 2 files changed, 122 insertions(+) create mode 100644 tests/examples/Fervo_Project_Cape_2.txt create mode 100644 tests/examples/Fervo_Project_Cape_lite.txt diff --git a/tests/examples/Fervo_Project_Cape_2.txt b/tests/examples/Fervo_Project_Cape_2.txt new file mode 100644 index 00000000..88e4a919 --- /dev/null +++ b/tests/examples/Fervo_Project_Cape_2.txt @@ -0,0 +1,61 @@ +# Fervo Project Cape - extrapolate to 400MWe from https://eartharxiv.org/repository/view/7665/ +Reservoir Model, 1 +Reservoir Volume Option, 1 +Reservoir Density, 2800 +Reservoir Depth, 8500 feet, -- https://pangea.stanford.edu/ERE/db/GeoConf/papers/SGW/2024/Fercho.pdf +Reservoir Heat Capacity, 790 +Reservoir Thermal Conductivity, 3.05 +Number of Fractures, 149 +Fracture Shape, 4 +Fracture Height, 2000 +Fracture Width, 10000 +Fracture Separation, 30 +Number of Segments, 1 +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) +Plant Outlet Pressure, 1000 psi +Number of Injection Wells, 39, -- +Number of Production Wells, 39 +Well Geometry Configuration, 4 +Has Nonvertical Section, True +Multilaterals Cased, True +Number of Multilateral Sections, 3 +Total Nonvertical Length, 4700 feet +Production Flow Rate per Well, 120 +Production Well Diameter, 7 +Injection Well Diameter, 7 +Well Separation, 365 feet +Injection Temperature, 60 degC +Injection Wellbore Temperature Gain, 3 +Reservoir Impedance, 0.001 +Ramey Production Wellbore Model, 1 +Utilization Factor, .9 +Water Loss Fraction, 0.02 +Maximum Drawdown, 1 +Ambient Temperature, 10 degC +Surface Temperature, 10 degC +End-Use Option, 1 +Plant Lifetime, 15 +Power Plant Type, 2 +Circulation Pump Efficiency, 0.80 +Exploration Capital Cost, 0 +Well Drilling and Completion Capital Cost, 4, -- https://houston.innovationmap.com/fervo-energy-drilling-utah-project-2667300142.html +Reservoir Stimulation Capital Cost, 20 +Economic Model, 3 +Starting Electricity Sale Price, 0.15 +Ending Electricity Sale Price, 1.00 +Electricity Escalation Rate Per Year, 0.004053223 +Electricity Escalation Start Year, 1 +Fraction of Investment in Bonds, .5 +Combined Income Tax Rate, .3 +Gross Revenue Tax Rate, 0 +Inflated Bond Interest Rate, .05 +Inflated Equity Interest Rate, .08 +Inflation Rate, .02 +Investment Tax Credit Rate, 0 +Inflation Rate During Construction, 0.05 +Property Tax Rate, 0 +Time steps per year, 10 +Maximum Temperature, 500 +Surface Plant Capital Cost Adjustment Factor, 0.78, -- pad drilling reduces surface CAPEX by 22% https://www.resfrac.com/blog/digesting-the-bonkers-incredible-off-the-charts-spectacular-results-from-the-fervo-and-forge-enhanced-geothermal-projects +Production Wellhead Pressure, 325 psi +Reservoir Porosity, 0.0118 diff --git a/tests/examples/Fervo_Project_Cape_lite.txt b/tests/examples/Fervo_Project_Cape_lite.txt new file mode 100644 index 00000000..cc895891 --- /dev/null +++ b/tests/examples/Fervo_Project_Cape_lite.txt @@ -0,0 +1,61 @@ +# Fervo Project Cape 'Lite' - match results from https://eartharxiv.org/repository/view/7665/ +Reservoir Model, 1 +Reservoir Volume Option, 1 +Reservoir Density, 2800 +Reservoir Depth, 8500 feet, -- https://pangea.stanford.edu/ERE/db/GeoConf/papers/SGW/2024/Fercho.pdf +Reservoir Heat Capacity, 790 +Reservoir Thermal Conductivity, 3.05 +Number of Fractures, 108 +Fracture Shape, 4 +Fracture Height, 300 +Fracture Width, 400 +Fracture Separation, 30 +Number of Segments, 1 +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) +Plant Outlet Pressure, 1000 psi +Number of Injection Wells, 2, -- +Number of Production Wells, 1 +Well Geometry Configuration, 4 +Has Nonvertical Section, True +Multilaterals Cased, True +Number of Multilateral Sections, 3 +Total Nonvertical Length, 4700 feet +Production Flow Rate per Well, 93 +Production Well Diameter, 7 +Injection Well Diameter, 7 +Well Separation, 365 feet +Injection Temperature, 60 degC +Injection Wellbore Temperature Gain, 3 +Reservoir Impedance, 0.01 +Ramey Production Wellbore Model, 1 +Utilization Factor, .9 +Water Loss Fraction, 0.02 +Maximum Drawdown, 1 +Ambient Temperature, 10 degC +Surface Temperature, 10 degC +End-Use Option, 1 +Plant Lifetime, 15 +Power Plant Type, 2 +Circulation Pump Efficiency, 0.80 +Exploration Capital Cost, 0 +Well Drilling and Completion Capital Cost, 4.8, -- https://houston.innovationmap.com/fervo-energy-drilling-utah-project-2667300142.html +Reservoir Stimulation Capital Cost, 10 +Economic Model, 3 +Starting Electricity Sale Price, 0.15 +Ending Electricity Sale Price, 1.00 +Electricity Escalation Rate Per Year, 0.004053223 +Electricity Escalation Start Year, 1 +Fraction of Investment in Bonds, .5 +Combined Income Tax Rate, .3 +Gross Revenue Tax Rate, 0 +Inflated Bond Interest Rate, .05 +Inflated Equity Interest Rate, .08 +Inflation Rate, .02 +Investment Tax Credit Rate, 0 +Inflation Rate During Construction, 0.05 +Property Tax Rate, 0 +Time steps per year, 10 +Maximum Temperature, 500 +Surface Plant Capital Cost Adjustment Factor, 0.78, -- pad drilling reduces surface CAPEX by 22% https://www.resfrac.com/blog/digesting-the-bonkers-incredible-off-the-charts-spectacular-results-from-the-fervo-and-forge-enhanced-geothermal-projects +Production Wellhead Pressure, 325 psi +Reservoir Porosity, 0.0118 From 216831a932cdae1f2b0a640b0f4353b0a4e004d0 Mon Sep 17 00:00:00 2001 From: softwareengineerprogrammer <4056124+softwareengineerprogrammer@users.noreply.github.com> Date: Fri, 4 Oct 2024 12:58:18 -0700 Subject: [PATCH 2/3] Rename as Fervo_Project_Cape-{2|3}, clean up description/citation. Add output files. --- tests/examples/Fervo_Project_Cape-2.out | 198 ++++++++++++++++++ ...Cape_lite.txt => Fervo_Project_Cape-2.txt} | 7 +- tests/examples/Fervo_Project_Cape-3.out | 198 ++++++++++++++++++ ...ct_Cape_2.txt => Fervo_Project_Cape-3.txt} | 10 +- tests/examples/Fervo_Project_Cape.txt | 2 +- 5 files changed, 411 insertions(+), 4 deletions(-) create mode 100644 tests/examples/Fervo_Project_Cape-2.out rename tests/examples/{Fervo_Project_Cape_lite.txt => Fervo_Project_Cape-2.txt} (84%) create mode 100644 tests/examples/Fervo_Project_Cape-3.out rename tests/examples/{Fervo_Project_Cape_2.txt => Fervo_Project_Cape-3.txt} (85%) diff --git a/tests/examples/Fervo_Project_Cape-2.out b/tests/examples/Fervo_Project_Cape-2.out new file mode 100644 index 00000000..c9ff2b2d --- /dev/null +++ b/tests/examples/Fervo_Project_Cape-2.out @@ -0,0 +1,198 @@ + ***************** + ***CASE REPORT*** + ***************** + +Simulation Metadata +---------------------- + GEOPHIRES Version: 3.6.0 + Simulation Date: 2024-10-04 + Simulation Time: 12:55 + Calculation Time: 0.656 sec + + ***SUMMARY OF RESULTS*** + + End-Use Option: Electricity + Average Net Electricity Production: 8.90 MW + Electricity breakeven price: 10.19 cents/kWh + Number of production wells: 1 + Number of injection wells: 2 + Flowrate per production well: 93.0 kg/sec + Well depth (or total length, if not vertical): 2.6 kilometer + Geothermal gradient: 74 degC/km + + + ***ECONOMIC PARAMETERS*** + + Economic Model = BICYCLE + Accrued financing during construction: 5.00 + Project lifetime: 15 yr + Capacity factor: 90.0 % + Project NPV: 46.67 MUSD + Project IRR: 17.54 % + Project VIR=PI=PIR: 1.92 + Project MOIC: 1.40 + Project Payback Period: 6.50 yr + Estimated Jobs Created: 19 + + ***ENGINEERING PARAMETERS*** + + Number of Production Wells: 1 + Number of Injection Wells: 2 + Well depth (or total length, if not vertical): 2.6 kilometer + Water loss rate: 2.0 + Pump efficiency: 80.0 + Injection temperature: 56.7 degC + Production Wellbore heat transmission calculated with Ramey's model + Average production well temperature drop: 2.3 degC + Flowrate per production well: 93.0 kg/sec + Injection well casing ID: 7.000 in + Production well casing ID: 7.000 in + Number of times redrilling: 0 + Power plant type: Supercritical ORC + + + ***RESOURCE CHARACTERISTICS*** + + Maximum reservoir temperature: 500.0 degC + Number of segments: 1 + Geothermal gradient: 74 degC/km + + + ***RESERVOIR PARAMETERS*** + + Reservoir Model = Multiple Parallel Fractures Model + Bottom-hole temperature: 201.72 degC + Fracture model = Rectangular + Well separation: fracture height: 300.00 meter + Fracture width: 400.00 meter + Fracture area: 120000.00 m**2 + Reservoir volume calculated with fracture separation and number of fractures as input + Number of fractures: 108.00 + Fracture separation: 30.00 meter + Reservoir volume: 385200000 m**3 + Reservoir impedance: 0.01 GPa.s/m**3 + Reservoir density: 2800.00 kg/m**3 + Reservoir thermal conductivity: 3.05 W/m/K + Reservoir heat capacity: 790.00 J/kg/K + + + ***RESERVOIR SIMULATION RESULTS*** + + Maximum Production Temperature: 199.7 degC + Average Production Temperature: 199.5 degC + Minimum Production Temperature: 198.2 degC + Initial Production Temperature: 198.2 degC + Average Reservoir Heat Extraction: 55.61 MW + Production Wellbore Heat Transmission Model = Ramey Model + Average Production Well Temperature Drop: 2.3 degC + Total Average Pressure Drop: 607.6 kPa + Average Injection Well Pressure Drop: 475.8 kPa + Average Reservoir Pressure Drop: 976.6 kPa + Average Production Well Pressure Drop: 2003.0 kPa + Average Buoyancy Pressure Drop: -2847.8 kPa + + + ***CAPITAL COSTS (M$)*** + + Drilling and completion costs: 14.40 MUSD + Drilling and completion costs per well: 4.80 MUSD + Stimulation costs: 10.00 MUSD + Surface power plant costs: 24.69 MUSD + Field gathering system costs: 1.68 MUSD + Total surface equipment costs: 26.37 MUSD + Exploration costs: 0.00 MUSD + Total capital costs: 50.77 MUSD + + + ***OPERATING AND MAINTENANCE COSTS (M$/yr)*** + + Wellfield maintenance costs: 0.43 MUSD/yr + Power plant maintenance costs: 1.19 MUSD/yr + Water costs: 0.05 MUSD/yr + Total operating and maintenance costs: 1.67 MUSD/yr + + + ***SURFACE EQUIPMENT SIMULATION RESULTS*** + + Initial geofluid availability: 0.19 MW/(kg/s) + Maximum Total Electricity Generation: 9.06 MW + Average Total Electricity Generation: 9.04 MW + Minimum Total Electricity Generation: 8.90 MW + Initial Total Electricity Generation: 8.90 MW + Maximum Net Electricity Generation: 8.92 MW + Average Net Electricity Generation: 8.90 MW + Minimum Net Electricity Generation: 8.75 MW + Initial Net Electricity Generation: 8.75 MW + Average Annual Total Electricity Generation: 70.80 GWh + Average Annual Net Electricity Generation: 69.67 GWh + Initial pumping power/net installed power: 1.68 % + Average Pumping Power: 0.15 MW + + ************************************************************ + * HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE * + ************************************************************ + YEAR THERMAL GEOFLUID PUMP NET FIRST LAW + DRAWDOWN TEMPERATURE POWER POWER EFFICIENCY + (degC) (MW) (MW) (%) + 1 1.0000 198.18 0.1471 8.7519 15.8800 + 2 1.0045 199.07 0.1458 8.8514 15.9610 + 3 1.0054 199.25 0.1455 8.8723 15.9780 + 4 1.0059 199.35 0.1454 8.8833 15.9868 + 5 1.0062 199.41 0.1453 8.8906 15.9927 + 6 1.0064 199.46 0.1452 8.8959 15.9970 + 7 1.0066 199.50 0.1451 8.9002 16.0004 + 8 1.0068 199.53 0.1451 8.9036 16.0032 + 9 1.0069 199.56 0.1450 8.9066 16.0056 + 10 1.0070 199.58 0.1450 8.9091 16.0076 + 11 1.0071 199.60 0.1450 8.9113 16.0094 + 12 1.0072 199.62 0.1450 8.9133 16.0110 + 13 1.0073 199.63 0.1449 8.9150 16.0124 + 14 1.0074 199.65 0.1449 8.9166 16.0137 + 15 1.0074 199.66 0.1449 8.9181 16.0149 + + + ******************************************************************* + * ANNUAL HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE * + ******************************************************************* + YEAR ELECTRICITY HEAT RESERVOIR PERCENTAGE OF + PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED + (GWh/year) (GWh/year) (10^15 J) (%) + 1 69.5 436.2 116.63 1.33 + 2 69.9 437.5 115.05 2.66 + 3 70.0 437.9 113.48 4.00 + 4 70.1 438.2 111.90 5.33 + 5 70.1 438.4 110.32 6.66 + 6 70.2 438.5 108.74 8.00 + 7 70.2 438.6 107.16 9.34 + 8 70.2 438.7 105.58 10.67 + 9 70.2 438.8 104.00 12.01 + 10 70.2 438.8 102.42 13.35 + 11 70.3 438.9 100.84 14.68 + 12 70.3 438.9 99.26 16.02 + 13 70.3 439.0 97.68 17.36 + 14 70.3 439.0 96.10 18.69 + 15 63.3 395.1 94.68 19.90 + + + ******************************** + * REVENUE & CASHFLOW PROFILE * + ******************************** +Year Electricity | Heat | Cooling | Carbon | Project +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 +Start (cents/kWh)(MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(USD/tonne) (MUSD/yr) (MUSD) |(MUSD/yr) (MUSD/yr) (MUSD) +________________________________________________________________________________________________________________________________________________________________________________________ + 1 0.00 -50.77 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 + 2 15.00 8.75 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 + 3 15.00 8.81 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 + 4 15.41 9.11 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 + 5 15.81 9.40 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 + 6 16.22 9.70 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 + 7 16.62 9.99 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 + 8 17.03 10.28 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 + 9 17.43 10.56 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 + 10 17.84 10.85 102.51 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 10.85 36.68 + 11 18.24 11.14 115.33 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.14 47.82 + 12 18.65 11.43 128.43 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.43 59.25 + 13 19.05 11.72 141.82 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 11.72 70.97 + 14 19.46 12.00 155.50 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.00 82.97 + 15 19.86 12.29 169.47 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.67 12.29 95.26 diff --git a/tests/examples/Fervo_Project_Cape_lite.txt b/tests/examples/Fervo_Project_Cape-2.txt similarity index 84% rename from tests/examples/Fervo_Project_Cape_lite.txt rename to tests/examples/Fervo_Project_Cape-2.txt index cc895891..e53578af 100644 --- a/tests/examples/Fervo_Project_Cape_lite.txt +++ b/tests/examples/Fervo_Project_Cape-2.txt @@ -1,4 +1,9 @@ -# Fervo Project Cape 'Lite' - match results from https://eartharxiv.org/repository/view/7665/ +# Case Study: Fervo Project Cape 2: Matches/approximates Fervo results pre-published 2024-09-10 at +# https://eartharxiv.org/repository/view/7665/ (citation below) using available data from paper and other sources. +# Norbeck J., Gradl C., and Latimer T. 2024. +# Deployment of Enhanced Geothermal System technology leads to rapid cost reductions and performance improvements." +# https://doi.org/10.31223/X5VH8C + Reservoir Model, 1 Reservoir Volume Option, 1 Reservoir Density, 2800 diff --git a/tests/examples/Fervo_Project_Cape-3.out b/tests/examples/Fervo_Project_Cape-3.out new file mode 100644 index 00000000..ecbfc800 --- /dev/null +++ b/tests/examples/Fervo_Project_Cape-3.out @@ -0,0 +1,198 @@ + ***************** + ***CASE REPORT*** + ***************** + +Simulation Metadata +---------------------- + GEOPHIRES Version: 3.6.0 + Simulation Date: 2024-10-04 + Simulation Time: 12:56 + Calculation Time: 0.654 sec + + ***SUMMARY OF RESULTS*** + + End-Use Option: Electricity + Average Net Electricity Production: 406.69 MW + Electricity breakeven price: 5.43 cents/kWh + Number of production wells: 39 + Number of injection wells: 39 + Flowrate per production well: 120.0 kg/sec + Well depth (or total length, if not vertical): 2.6 kilometer + Geothermal gradient: 74 degC/km + + + ***ECONOMIC PARAMETERS*** + + Economic Model = BICYCLE + Accrued financing during construction: 5.00 + Project lifetime: 15 yr + Capacity factor: 90.0 % + Project NPV: 3562.77 MUSD + Project IRR: 34.21 % + Project VIR=PI=PIR: 3.57 + Project MOIC: 3.74 + Project Payback Period: 4.02 yr + Estimated Jobs Created: 975 + + ***ENGINEERING PARAMETERS*** + + Number of Production Wells: 39 + Number of Injection Wells: 39 + Well depth (or total length, if not vertical): 2.6 kilometer + Water loss rate: 2.0 + Pump efficiency: 80.0 + Injection temperature: 56.7 degC + Production Wellbore heat transmission calculated with Ramey's model + Average production well temperature drop: 1.8 degC + Flowrate per production well: 120.0 kg/sec + Injection well casing ID: 7.000 in + Production well casing ID: 7.000 in + Number of times redrilling: 0 + Power plant type: Supercritical ORC + + + ***RESOURCE CHARACTERISTICS*** + + Maximum reservoir temperature: 500.0 degC + Number of segments: 1 + Geothermal gradient: 74 degC/km + + + ***RESERVOIR PARAMETERS*** + + Reservoir Model = Multiple Parallel Fractures Model + Bottom-hole temperature: 201.72 degC + Fracture model = Rectangular + Well separation: fracture height: 2000.00 meter + Fracture width: 10000.00 meter + Fracture area: 20000000.00 m**2 + Reservoir volume calculated with fracture separation and number of fractures as input + Number of fractures: 149.00 + Fracture separation: 30.00 meter + Reservoir volume: 88800000000 m**3 + Reservoir impedance: 0.00 GPa.s/m**3 + Reservoir density: 2800.00 kg/m**3 + Reservoir thermal conductivity: 3.05 W/m/K + Reservoir heat capacity: 790.00 J/kg/K + + + ***RESERVOIR SIMULATION RESULTS*** + + Maximum Production Temperature: 200.1 degC + Average Production Temperature: 200.0 degC + Minimum Production Temperature: 199.0 degC + Initial Production Temperature: 199.0 degC + Average Reservoir Heat Extraction: 2807.95 MW + Production Wellbore Heat Transmission Model = Ramey Model + Average Production Well Temperature Drop: 1.8 degC + Total Average Pressure Drop: 8497.8 kPa + Average Injection Well Pressure Drop: 3103.7 kPa + Average Reservoir Pressure Drop: 4914.3 kPa + Average Production Well Pressure Drop: 3331.0 kPa + Average Buoyancy Pressure Drop: -2851.3 kPa + + + ***CAPITAL COSTS (M$)*** + + Drilling and completion costs: 312.00 MUSD + Drilling and completion costs per well: 4.00 MUSD + Stimulation costs: 20.00 MUSD + Surface power plant costs: 987.05 MUSD + Field gathering system costs: 68.76 MUSD + Total surface equipment costs: 1055.81 MUSD + Exploration costs: 0.00 MUSD + Total capital costs: 1387.81 MUSD + + + ***OPERATING AND MAINTENANCE COSTS (M$/yr)*** + + Wellfield maintenance costs: 4.72 MUSD/yr + Power plant maintenance costs: 17.53 MUSD/yr + Water costs: 2.46 MUSD/yr + Total operating and maintenance costs: 24.71 MUSD/yr + + + ***SURFACE EQUIPMENT SIMULATION RESULTS*** + + Initial geofluid availability: 0.19 MW/(kg/s) + Maximum Total Electricity Generation: 458.71 MW + Average Total Electricity Generation: 457.79 MW + Minimum Total Electricity Generation: 452.23 MW + Initial Total Electricity Generation: 452.23 MW + Maximum Net Electricity Generation: 407.62 MW + Average Net Electricity Generation: 406.69 MW + Minimum Net Electricity Generation: 401.10 MW + Initial Net Electricity Generation: 401.10 MW + Average Annual Total Electricity Generation: 3585.26 GWh + Average Annual Net Electricity Generation: 3185.11 GWh + Initial pumping power/net installed power: 12.75 % + Average Pumping Power: 51.09 MW + + ************************************************************ + * HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE * + ************************************************************ + YEAR THERMAL GEOFLUID PUMP NET FIRST LAW + DRAWDOWN TEMPERATURE POWER POWER EFFICIENCY + (degC) (MW) (MW) (%) + 1 1.0000 198.97 51.1295 401.0970 14.3838 + 2 1.0035 199.66 51.1051 404.9795 14.4532 + 3 1.0042 199.80 51.1000 405.7952 14.4677 + 4 1.0046 199.88 51.0973 406.2217 14.4753 + 5 1.0048 199.93 51.0956 406.5045 14.4803 + 6 1.0050 199.97 51.0942 406.7135 14.4840 + 7 1.0051 200.00 51.0932 406.8779 14.4869 + 8 1.0053 200.02 51.0924 407.0128 14.4893 + 9 1.0054 200.04 51.0917 407.1267 14.4913 + 10 1.0055 200.06 51.0910 407.2249 14.4930 + 11 1.0055 200.07 51.0905 407.3111 14.4946 + 12 1.0056 200.09 51.0900 407.3877 14.4959 + 13 1.0057 200.10 51.0896 407.4565 14.4972 + 14 1.0057 200.11 51.0892 407.5190 14.4983 + 15 1.0058 200.12 51.0888 407.5760 14.4993 + + + ******************************************************************* + * ANNUAL HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE * + ******************************************************************* + YEAR ELECTRICITY HEAT RESERVOIR PERCENTAGE OF + PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED + (GWh/year) (GWh/year) (10^15 J) (%) + 1 3181.9 22053.1 27168.61 0.29 + 2 3196.5 22103.7 27089.04 0.58 + 3 3201.1 22119.6 27009.41 0.88 + 4 3203.8 22129.1 26929.74 1.17 + 5 3205.7 22135.7 26850.05 1.46 + 6 3207.2 22140.8 26770.35 1.75 + 7 3208.4 22144.8 26690.63 2.05 + 8 3209.3 22148.2 26610.89 2.34 + 9 3210.2 22151.1 26531.15 2.63 + 10 3210.9 22153.6 26451.39 2.92 + 11 3211.5 22155.8 26371.63 3.22 + 12 3212.1 22157.8 26291.87 3.51 + 13 3212.6 22159.6 26212.09 3.80 + 14 3213.1 22161.2 26132.31 4.09 + 15 2892.2 19946.4 26060.50 4.36 + + + ******************************** + * REVENUE & CASHFLOW PROFILE * + ******************************** +Year Electricity | Heat | Cooling | Carbon | Project +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 +Start (cents/kWh)(MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(USD/tonne) (MUSD/yr) (MUSD) |(MUSD/yr) (MUSD/yr) (MUSD) +________________________________________________________________________________________________________________________________________________________________________________________ + 1 0.00 -1387.81 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -1387.81 -1387.81 + 2 15.00 452.58 477.29 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 452.58 -935.23 + 3 15.00 454.77 956.77 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 454.77 -480.46 + 4 15.41 468.43 1449.91 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 468.43 -12.02 + 5 15.81 481.84 1956.45 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 481.84 469.82 + 6 16.22 495.13 2476.30 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 495.13 964.95 + 7 16.62 508.37 3009.37 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 508.37 1473.32 + 8 17.03 521.57 3555.65 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 521.57 1994.89 + 9 17.43 534.74 4115.10 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 534.74 2529.64 + 10 17.84 547.90 4687.71 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 547.90 3077.54 + 11 18.24 561.05 5273.46 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 561.05 3638.58 + 12 18.65 574.18 5872.35 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 574.18 4212.76 + 13 19.05 587.31 6484.36 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 587.31 4800.07 + 14 19.46 600.43 7109.50 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 600.43 5400.49 + 15 19.86 613.54 7747.74 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 24.71 613.54 6014.03 diff --git a/tests/examples/Fervo_Project_Cape_2.txt b/tests/examples/Fervo_Project_Cape-3.txt similarity index 85% rename from tests/examples/Fervo_Project_Cape_2.txt rename to tests/examples/Fervo_Project_Cape-3.txt index 88e4a919..1fd4c99a 100644 --- a/tests/examples/Fervo_Project_Cape_2.txt +++ b/tests/examples/Fervo_Project_Cape-3.txt @@ -1,4 +1,10 @@ -# Fervo Project Cape - extrapolate to 400MWe from https://eartharxiv.org/repository/view/7665/ +# Case Study: Fervo Project Cape 3: Extrapolation from Fervo results pre-published 2024-09-10 at +# https://eartharxiv.org/repository/view/7665/ to 400MWe capacity. +# Norbeck J., Gradl C., and Latimer T. 2024. +# Deployment of Enhanced Geothermal System technology leads to rapid cost reductions and performance improvements." +# https://doi.org/10.31223/X5VH8C + + Reservoir Model, 1 Reservoir Volume Option, 1 Reservoir Density, 2800 @@ -13,7 +19,7 @@ Fracture Separation, 30 Number of Segments, 1 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) Plant Outlet Pressure, 1000 psi -Number of Injection Wells, 39, -- +Number of Injection Wells, 39 Number of Production Wells, 39 Well Geometry Configuration, 4 Has Nonvertical Section, True diff --git a/tests/examples/Fervo_Project_Cape.txt b/tests/examples/Fervo_Project_Cape.txt index f241f781..20cc597e 100644 --- a/tests/examples/Fervo_Project_Cape.txt +++ b/tests/examples/Fervo_Project_Cape.txt @@ -1,4 +1,4 @@ -# Fervo Project Cape +# Case Study: Fervo Project Cape # Presented at NREL GEOPHIRES workshop 2024-07-18 Reservoir Model, 1 From c2523c101aa6fa7a7aae19ca4fc01a44d10246d4 Mon Sep 17 00:00:00 2001 From: softwareengineerprogrammer <4056124+softwareengineerprogrammer@users.noreply.github.com> Date: Fri, 4 Oct 2024 13:08:17 -0700 Subject: [PATCH 3/3] Parameter ordering/organization --- tests/examples/Fervo_Project_Cape-2.out | 4 ++-- tests/examples/Fervo_Project_Cape-2.txt | 26 +++++++++++++++--------- tests/examples/Fervo_Project_Cape-3.out | 4 ++-- tests/examples/Fervo_Project_Cape-3.txt | 27 +++++++++++++++---------- 4 files changed, 36 insertions(+), 25 deletions(-) diff --git a/tests/examples/Fervo_Project_Cape-2.out b/tests/examples/Fervo_Project_Cape-2.out index c9ff2b2d..a649f433 100644 --- a/tests/examples/Fervo_Project_Cape-2.out +++ b/tests/examples/Fervo_Project_Cape-2.out @@ -6,8 +6,8 @@ Simulation Metadata ---------------------- GEOPHIRES Version: 3.6.0 Simulation Date: 2024-10-04 - Simulation Time: 12:55 - Calculation Time: 0.656 sec + Simulation Time: 13:05 + Calculation Time: 0.653 sec ***SUMMARY OF RESULTS*** diff --git a/tests/examples/Fervo_Project_Cape-2.txt b/tests/examples/Fervo_Project_Cape-2.txt index e53578af..4bef97d0 100644 --- a/tests/examples/Fervo_Project_Cape-2.txt +++ b/tests/examples/Fervo_Project_Cape-2.txt @@ -10,28 +10,28 @@ Reservoir Density, 2800 Reservoir Depth, 8500 feet, -- https://pangea.stanford.edu/ERE/db/GeoConf/papers/SGW/2024/Fercho.pdf Reservoir Heat Capacity, 790 Reservoir Thermal Conductivity, 3.05 +Reservoir Porosity, 0.0118 +Reservoir Impedance, 0.01 + Number of Fractures, 108 Fracture Shape, 4 Fracture Height, 300 Fracture Width, 400 Fracture Separation, 30 + Number of Segments, 1 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) -Plant Outlet Pressure, 1000 psi -Number of Injection Wells, 2, -- + +Number of Injection Wells, 2 Number of Production Wells, 1 -Well Geometry Configuration, 4 -Has Nonvertical Section, True -Multilaterals Cased, True -Number of Multilateral Sections, 3 -Total Nonvertical Length, 4700 feet Production Flow Rate per Well, 93 Production Well Diameter, 7 Injection Well Diameter, 7 Well Separation, 365 feet Injection Temperature, 60 degC Injection Wellbore Temperature Gain, 3 -Reservoir Impedance, 0.01 +Plant Outlet Pressure, 1000 psi +Production Wellhead Pressure, 325 psi Ramey Production Wellbore Model, 1 Utilization Factor, .9 Water Loss Fraction, 0.02 @@ -42,6 +42,7 @@ End-Use Option, 1 Plant Lifetime, 15 Power Plant Type, 2 Circulation Pump Efficiency, 0.80 + Exploration Capital Cost, 0 Well Drilling and Completion Capital Cost, 4.8, -- https://houston.innovationmap.com/fervo-energy-drilling-utah-project-2667300142.html Reservoir Stimulation Capital Cost, 10 @@ -62,5 +63,10 @@ Property Tax Rate, 0 Time steps per year, 10 Maximum Temperature, 500 Surface Plant Capital Cost Adjustment Factor, 0.78, -- pad drilling reduces surface CAPEX by 22% https://www.resfrac.com/blog/digesting-the-bonkers-incredible-off-the-charts-spectacular-results-from-the-fervo-and-forge-enhanced-geothermal-projects -Production Wellhead Pressure, 325 psi -Reservoir Porosity, 0.0118 + + +Well Geometry Configuration, 4 +Has Nonvertical Section, True +Multilaterals Cased, True +Number of Multilateral Sections, 3 +Nonvertical Length per Multilateral Section, 4700 feet diff --git a/tests/examples/Fervo_Project_Cape-3.out b/tests/examples/Fervo_Project_Cape-3.out index ecbfc800..1227ca54 100644 --- a/tests/examples/Fervo_Project_Cape-3.out +++ b/tests/examples/Fervo_Project_Cape-3.out @@ -6,8 +6,8 @@ Simulation Metadata ---------------------- GEOPHIRES Version: 3.6.0 Simulation Date: 2024-10-04 - Simulation Time: 12:56 - Calculation Time: 0.654 sec + Simulation Time: 13:05 + Calculation Time: 0.650 sec ***SUMMARY OF RESULTS*** diff --git a/tests/examples/Fervo_Project_Cape-3.txt b/tests/examples/Fervo_Project_Cape-3.txt index 1fd4c99a..3d9adf3c 100644 --- a/tests/examples/Fervo_Project_Cape-3.txt +++ b/tests/examples/Fervo_Project_Cape-3.txt @@ -11,28 +11,28 @@ Reservoir Density, 2800 Reservoir Depth, 8500 feet, -- https://pangea.stanford.edu/ERE/db/GeoConf/papers/SGW/2024/Fercho.pdf Reservoir Heat Capacity, 790 Reservoir Thermal Conductivity, 3.05 +Reservoir Porosity, 0.0118 +Reservoir Impedance, 0.001 + Number of Fractures, 149 Fracture Shape, 4 Fracture Height, 2000 Fracture Width, 10000 Fracture Separation, 30 + Number of Segments, 1 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) -Plant Outlet Pressure, 1000 psi + Number of Injection Wells, 39 Number of Production Wells, 39 -Well Geometry Configuration, 4 -Has Nonvertical Section, True -Multilaterals Cased, True -Number of Multilateral Sections, 3 -Total Nonvertical Length, 4700 feet -Production Flow Rate per Well, 120 +Production Flow Rate per Well, 120, -- peak flow reported in paper Production Well Diameter, 7 Injection Well Diameter, 7 Well Separation, 365 feet Injection Temperature, 60 degC Injection Wellbore Temperature Gain, 3 -Reservoir Impedance, 0.001 +Plant Outlet Pressure, 1000 psi +Production Wellhead Pressure, 325 psi Ramey Production Wellbore Model, 1 Utilization Factor, .9 Water Loss Fraction, 0.02 @@ -43,8 +43,9 @@ End-Use Option, 1 Plant Lifetime, 15 Power Plant Type, 2 Circulation Pump Efficiency, 0.80 + Exploration Capital Cost, 0 -Well Drilling and Completion Capital Cost, 4, -- https://houston.innovationmap.com/fervo-energy-drilling-utah-project-2667300142.html +Well Drilling and Completion Capital Cost, 4, -- Assume cost continues to decrease from 4.8 (https://houston.innovationmap.com/fervo-energy-drilling-utah-project-2667300142.html) Reservoir Stimulation Capital Cost, 20 Economic Model, 3 Starting Electricity Sale Price, 0.15 @@ -63,5 +64,9 @@ Property Tax Rate, 0 Time steps per year, 10 Maximum Temperature, 500 Surface Plant Capital Cost Adjustment Factor, 0.78, -- pad drilling reduces surface CAPEX by 22% https://www.resfrac.com/blog/digesting-the-bonkers-incredible-off-the-charts-spectacular-results-from-the-fervo-and-forge-enhanced-geothermal-projects -Production Wellhead Pressure, 325 psi -Reservoir Porosity, 0.0118 + +Well Geometry Configuration, 4 +Has Nonvertical Section, True +Multilaterals Cased, True +Number of Multilateral Sections, 3 +Nonvertical Length per Multilateral Section, 4700 feet