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Natural Soda LLC 2023 Project Status Report & Annual Plan of Development <br /> 18 January 2024 <br />Table 3: List and Status of Wells Associated with NS (Confidential) <br />Well Name Initial Well Type Current Well <br />Status Section Town- <br />ship Range Latitude <br />(NAD 27) <br />Longitude <br />(NAD 27) <br />Initial <br />TD, <br />(MD, ft) <br />Current <br />TD, <br />(MD, ft) <br />Comments <br />12H-I Horizontal-Injection Horizontal- <br />Production 25 1S 98W 39.929304000 108.348621000 4189.0 4189 TVD TD=~1985’ <br />12H-R Horizontal-Recovery Horizontal- <br />Recovery 25 1S 98W 39.929598000 108.348538000 2623.0 2623 TVD TD=~2007' <br />12H-IR Horizontal-Production <br />(Inj/Rec) <br />Horizontal- <br />Production 26 1S 98W 39.929667896 108.363801054 3464.7 3464.7 TVD TD=-1972’ <br />13H-R(I) Horizontal-Production <br />(Inj/Rec) <br />Horizontal- <br />Production 25 1S 98W 39.929583170 108.348684400 2549 2549 TVD TD=~2013’ <br />13H-IR Horizontal-Production <br />(Inj/Rec) <br />Horizontal- <br />Production 26 1S 98W 39.930014690 108.363712457 3423.7 3423.7 TVD TD=-1964’ <br />14H-1V Slant Production <br />(Rec) <br />Subsurface <br />Subsidence <br />Monitoring) <br />26 1S 98W 39.931733549 108.35641781 2095.5 2095.5 <br />15H-R(I) Horizontal Production <br />(Inj/Rec) <br />Horizontal- <br />Production 34 1S 98W 39.927050806 108.370714984 2698 2698 TVD TD=~1850’ <br />15H-1V Slant Production <br />(Rec) <br />Slant Production <br />(Rec) 26 1S 98W 39.92797980 108.36112812 2079.1 2079.1 TVD TD=~1922’ <br />15H-IR-E Horizontal Production <br />(Inj/Rec) <br />Horizontal <br />Production 25 1S 98W 39.92778393 108.34898748 4032.4 4032.4 TVD TD=~1960’ <br />15H-SSMW <br />Subsurface <br />Subsidence <br />Monitoring <br />Subsurface <br />Subsidence <br />Monitoring <br />26 1S 98W 39.927297800 108.367304200 1760.5 1760.5 <br />16H-I Horizontal Injection Horizontal- <br />Injection 34 1S 98W 39.926332533 108.371061443 5425 5425 TVD TD=~1910’ <br />16H-1V Slant Production <br />(Rec) <br />Slant Production <br />(Rec) 35 1S 98W 39.925742470 108.363769248 2086 2086 TVD TD= ~1945’ <br />16H-IR-E Horizontal Production <br />(Inj/Rec) <br />Horizontal <br />Production 25 1S 98W 39.927419470 108.349138051 4025 4011 TVD TD= ~1959’ <br />17H-1V Slant Production <br />(Rec) <br />Slant Production <br />(Rec) 35 1S 98W 2376.7 2376.7 2376.7 2376.7 TVD TD= ~1961’ <br />17H-IR-E Horizontal-Production <br />(Inj/Rec) <br />Horizontal- <br />Production <br />(Inj/Rec) <br />36 1S 98W 39.9270577 108.349382 3994.7 3994.7 TVD TD=-1965’ <br />17H-R(I) Horizontal-Recovery Horizontal- <br />Recovery 34 1S 98W 39.926171184 108.370365216 2431.7 2431.7 TVD TD=-1872’ <br />17H-E SSMW <br />Subsurface <br />Subsidence <br />Monitoring <br />Subsurface <br />Subsidence <br />Monitoring <br />35 1S 98W 39.92601271 108.3531506 1828 1828 <br />17H-SSMW <br />Subsurface <br />Subsidence <br />Monitoring <br />Subsurface <br />Subsidence <br />Monitoring <br />35 1S 98W 39.925620961 108.367424479 1731.0 1720.6 <br />89-1 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.934818008 108.359830288 1989 1570 <br />89-2 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.934771572 108.359655360 1409 1389 <br />89-3 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.934959857 108.359876003 400 390 Periodic sampling <br />issues <br />WSW-2 (2010- <br />26-198-2C) Core Hole Water Supply 26 1S 98W 39.932913043 108.357000636 1964 1402 Cored July 2010 <br />WSW-3 Water Supply Water Supply 26 1S 98W 39.940837450 108.361799400 1440 1440 Drilled August 2014 <br />WSW-4 Water Supply Water Supply 26 1S 98W 39.940358200 108.348198508 1437 1437 Drilled August 2014 <br />90-3 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.927659529 108.363196386 1577 1556 <br />90-4 Hydrology Monitoring Hydrology <br />Monitoring Well 26 1S 98W 39.927654857 108.363040763 1392 1371 Cleaned out to TD <br />August 2021 <br />AG-1 <br />Core Hole <br />2014-25-198-J <br />Hydrology <br />Monitoring Well 25 1S 98W 39.929116963 108.348465043 2061 1487 <br />Cemented up to <br />groundwater <br />monitoring well level <br />