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["Underground Hydrogen Site Selection Tool (Hy-TSS)"]
[]
["Model Version:",null,1,null,"Date:","Sep. 24, 2022"]
[]
["Purpose"]
[]
[]
[null,"This tool will screen and rank depleted oil and gas reservoirs as sites for hydrogen storage.  Stage 1 will disqualify unfit storage sites based on geoscience and environmental factors. "]
[null,"Stage 2 will rank the fields that passed Stage 1 in terms of suitability as an underground hydrogen storage site. "]
[]
[]
["Instructions"]
[]
[null,"1.Take a look at all the tabs and the example data in the screening phases. Delete the example data when this is complete. "]
[null,"2. Move to the \"Stage 1 Checklist & Criteria\" tab. Indicate available data using the checklist and click \"Proceed to Stage 1\"."]
[null,"3. Move to the \"Stage 1 Screening\" tab. Copy and paste your data in the given columns. Click \"Run Stage 1 Screening\". This will organize the fields into disqualified, review, and pass."]
[null,"4. Move to the \"Stage 2 Checklist & Criteria Data\" tab. Indicate available data using the checklist and click \"Proceed to Stage 2\"."]
[null,"5. Move onto the \"Stage 2 Screening\" tab.Copy and paste the data that passed the Stage 1 Screening. Click \"Run Stage 2 Screening\". This will provide a final ranking of the fields as hydrogen storage sites."]
[]
["Authors"]
[]
[null,"Hannah Watkins",null,null,"Undergraduate Mechanical Engineer, Stanford University"]
[null,"Rita Esuru Okoroafor",null,null,"Department of Energy Resources Engineering, Stanford University"]
[null,"Anthony Kovscek",null,null,"Department of Energy Resources Engineering, Stanford University"]
[]
["How to Reference"]
[]
[null,"Reference this work as “Watkins et al. 2022, Underground Hydrogen Site Selection Tool (Hy-TSS), version 1.0, Stanford University Energy Transition Research Institute (SUETRI-A), URL if posted online."]
[]
["Copyright Statement"]
[]
[null,"Copyright 2022 Stanford University. This tool is provided under the provisions of GNU General Public Licenses V 3.0 or any later version (GPL 3.0 https://opensource.org/licenses/GPL-3.0) "]
[null,"including disclaimer of warranty and conditions of liability."]

{"sheet":"Stage 1 Checklist & Criteria","index":1,"n_rows":11,"n_cols":11,"rows_kept":11,"cut":false,"hidden":false,"merged":[[4,9,6,11],[3,1,3,2],[3,4,3,6],[5,4,9,4]]}
["Stage 1 Checklist & Criteria"]
[]
[]
[null,"Stage 1 Checklist",null,null,"Stage 1 Criteria",null,null,null,null,null,"Notes"]
[null,"Data Type","Available",null,"Category","Criteria","Disqualifying Threshold (Metric Units)",null,null,"Indicate the available data in the checklist and click the proceed button when complete. The criteria table displays the treshhold by which the data will be assessed in \"Stage 1 Screening\"."]
[null,"Reservoir Pressure",null,true,"Storage and Withdrawal Optimization ","Reservoir Pressure","Wellhead Pressure Constraint > Pr - (0.01 bar/m) * Reservoir Top Depth (m)"]
[null,"Maximum Depth of Top of Formation",null,true,null,"Maximum Depth of Top of Formation",">3000 m"]
[null,"Permeability",null,true,null,"Permeability","<50 mD"]
[null,"Porosity",null,true,null,"Porosity","<10%"]
[null,"Net Reservoir Thickness",null,true,null,"Net Reservoir Thickness","<10 m"]
[null,"Wellhead Pressure",null,false]

{"sheet":"Stage 1 Screening","index":2,"n_rows":14,"n_cols":16,"rows_kept":14,"cut":false,"hidden":false,"merged":[[7,14,8,16],[10,14,11,16],[13,14,18,16]]}
["Stage 1 Screening"]
["Field Name","Reservoir Pressure (bar)","Depth of Top of Formation (m)","Permeability (mD)","Porosity (%)","Net Reservoir Thickness (m)","Wellhead Pressure (bar)","Summary"]
["BUTTE SLOUGH GAS",57.571245999999995,553.21199999999999,172.93,25,10.668000000000001,40,"Pass"]
["MERRITT ISLAND GAS",237.86921999999998,2255.52,132.63400000000001,23,24.384,40,"Pass"]
["CROSSROADS GAS",141.34258,1264.92,-9999,-9999,10.668000000000001,40,"Pass"]
["WILD GOOSE GAS",89.769775199999998,762,273.66999999999996,30,60.96,40,"Pass",null,null,null,null,null,null,null,"Notes"]
["DURHAM GAS",66.879171999999997,649.22400000000005,172.93,25,10.668000000000001,40,"Pass"]
["AFTON GAS",55.158079999999998,557.78399999999999,172.93,25,9.1440000000000001,40,"Review for net reservoir thickness.",null,null,null,null,null,null,"If data is unavailable, either leave the cell blank or type  in \"-9999\"."]
["UNION ISLAND GAS",347.495904,2956.56,31.894000000000005,18,45.72,40,"Review for permeability."]
["GREENWOOD, S. GAS",44.057516399999997,429.76800000000003,273.66999999999996,30,24.384,40,"Disqualified for reservoir pressure."]
["CORNING, S. GAS",41.368560000000002,361.18800000000005,273.66999999999996,30,3.048,40,"Disqualified for reservoir pressure, net reservoir thickness.",null,null,null,null,null,null,"If wellhead pressure is not given, it will automatically be set to 40 bar."]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"If a field has a review note, it means that either the permeability or net reservoir thickness didn't meet the treshold, but that the kH value (permeability * thickness) was high enough to qualify it for review."]

{"sheet":"Stage 2 Checklist & Criteria","index":3,"n_rows":15,"n_cols":14,"rows_kept":15,"cut":false,"hidden":false,"merged":[[3,1,3,2],[3,4,3,9],[4,12,7,14]]}
["Stage 2 Checklist & Criteria"]
[]
[]
[null,"Stage 2 Checklist",null,null,"Stage 2 Criteria",null,null,null,null,null,null,null,null,"Notes"]
[null,"Data Type","Available",null,"Criteria","1 (worst)",2,3,4,"5 (best)",null,null,"Indicate the available data in the checklist and click the proceed button when complete. The criteria table displays the treshhold by which the data will be assessed in \"Stage 2 Screening\"."]
[null,"Permeability",null,true,"Permeability Thickness","<1000 mDm","1,000 - 10,000 mDm","10,000-40,000 mDm",">100,000 mDm","40,000-100,000 mDm"]
[null,"Net Reservoir Thickness",null,true,"Size (Storage Capacity); Volume at stp","<1 Mt (<12 km3)","1-10 Mt (12-120 km3)","10-50 Mt (120-600 km3)","50-100 Mt (600 - 1200 km3)","> 100 Mt (1200 km3)"]
[null,"Minimum Volume",null,true,"Permeability Anisotropy",">0.8",null,"0.5-0.8",null,"0.1-0.5"]
[null,"Permeability Anisotropy",null,false,"Porosity","<10%",null,"10-30%",null,">30%"]
[null,"Porosity",null,true,"Permeability Heterogeneity Contrast","<1",null,">1",null,1]
[null,"Permeability Heterogeneity Contrast",null,false,"Current Reservoir Pressure",">220 bar","160 - 220 bar","80 - 160 bar","50 - 80 bar","<50 bar"]
[null,"Current Reservoir Pressure",null,true,"Reservoir Dip",null,"0-5 deg","> 15 deg","10-15 deg","5-10 deg"]
[null,"Reservoir Dip",null,true,"Reservoir Structure","Flat",null,"Anticlinal / Moderately Dipping",null,"Steeply Dipping"]
[null,"Reservoir Structure",null,true,"Geothermal Gradient","Warm Basin (>40C/km)",null,"Moderate (20-40 C/km)",null,"Cold Basin (<20C/km)"]
[null,"Geothermal Gradient",null,true]

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["Stage 2 Screening"]
["Field Name","Permeability (mD)","Net Reservoir Thickness (m)","Permeability Thickness (mDm)","Minimum Volume (Mt)","Permeability Anisotropy","Porosity (%)","Permeability Heterogeneity Contrast","Current Reservoir Pressure (bar)","Reservoir Dip (deg)","Reservoir Structure","Geothermal Gradient (C/km)","Permeability Thickness Score","Size Score","Permeability Anisotropy Score","Porosity Score","Permeability Heterogeneity Contrast Score","Current Reservoir Pressure Score","Reservoir Dip Score","Reservoir Structure Score","Geothermal Gradient Score","Total Score","Average Score","Rank"]
["BUTTE SLOUGH GAS",172.93,10.668000000000001,1844.8172400000003,32755.428578170675,-9999,25,-9999,57.571245999999995,7,"Anticlinal/Moderately Dipping",15.221598370867454,2,5,"NA",3,"NA",4,5,3,5,27,3.8571428571428572,1]
["MERRITT ISLAND GAS",132.63400000000001,24.384,3234.1474560000006,25292.900248883841,-9999,23,-9999,237.86921999999998,11,"Steeply Dipping",16.256413894209171,2,5,"NA",3,"NA",1,4,5,5,25,3.5714285714285716,2]
["CROSSROADS GAS",-9999,10.668000000000001,-9999,97294.338980354703,-9999,-9999,-9999,141.34258,0,"Flat",13.097165249553386,"NA",5,"NA","NA","NA",3,2,1,5,16,3.2,3]
["WILD GOOSE GAS",273.66999999999996,60.96,16682.923199999997,1012881.4416670129,-9999,30,-9999,89.769775199999998,1,"Anticlinal/Moderately Dipping",37.1,3,5,"NA",3,"NA",3,2,3,3,22,3.1428571428571428,4,null,null,null,null,null,null,null,"Notes"]
["DURHAM GAS",172.93,10.668000000000001,1844.8172400000003,18917.859017814957,-9999,25,-9999,66.879171999999997,0,"Flat",20.5,2,5,"NA",3,"NA",4,2,1,3,20,2.8571428571428572,5]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"If data is unavailable, either leave the cell blank or type  in \"-9999\". No edits need to be made to the score columns; these will happen automatically."]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Do not insert data into the permeability thickness column. Kh will be computed by multiplying permeability and net reservoir thickness. "]
[]
[]
[]
[]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"To rerun the screening, first go back to \"Stage 2 Checklist & Criteria\" and click \"Proceed to Stage 2\" to reset the program. Then, run the screening."]