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81-1-1 Injection Well Drilling and Completion Information <br /> All Depths Measured from Kelly Bushing (KB) 6000 <br /> 700 <br /> 0.0'-100.0' MD KB: conductor hole, 24.0" dia. <br /> 0.0'-100.0' MD KB: conductor casing; 13.375" OD (J-55, 48 lb/ft), cement to surface P&A 800 5900 <br /> 100.0'-1360.0' MD KB: directional drill hole, 9.875" dia. vertical intermediate hole to KOP Cement Plug_ <br /> ( ) surface to 2138' GL <br /> total of 672 sacks of Portland Type 1/11; 15 lb/gal <br /> 1360.0'-2161.0' MD KB: directional drill hole, 9.875" dia. curve portion intermediate hole, average 10.5° per 100 ft(original well path dipped <br /> 0.0-26.0 (5.63 sacks; 0.255 cu yds) 900 5800 <br /> into R-5 Zone at approximately 2440' MD KB; sidetrack hole drilled from 2180' MD KB to 2900.0 MD KB TD to redirect path into LBB 8.0-1396.0 (157.5 sacks; 7.5 cu yds) <br /> pp Y ( ) p ) 628.0-1396.0 (157.5 sacks; 7.5 cu yds) <br /> 1396.0-1756.0 (94.5 sacks; 4.5 cu yds) <br /> 0.0'-2155.0' MD KB: intermediate casing; 7.625" OD (J-55, 26.4 lb/ft), centralizers every 80-100 ft; DV tool set at 1428' MD KB 1756.0-1756.0 (94.5 sacks; 4.5 cu yds) 1000 5700 <br /> 1756.0-1759.0 (94.5 sacks; 4.5 cu yds) <br /> 0.0'-2161.0' MD KB: intermediate casing cement, Halliburton 2 stage, Varicem Portland Type 1/11, 12.8 lb/gal 1759.0-1759.0 (94.5 sacks;4.5 cu yds) <br /> 2161.0'-2900.0' MD KB: directional drill hole, 6.75" dia. horizontal hole 5600 <br /> Measured Depth GL 1100 <br /> 2830.0'-2900.0' MD KB: plug back 6.75" diameter directional drill hole, Halliburton plugcem® (class G cement), 15.8 lb/gal KB: 6703.1 <br /> 1696.0'-2830.0' MD KB: production casing, 5.5" OD casing J55 and L80 17 lb/ft) Perforate: 1193 and 1195' MD GL GL: 6686.1 <br /> P g� 9 ( � ) Squeeze cement to surface 5500 <br /> 1200 <br /> 1210.0'-1212.0' MD KB: set CIBP at 1215' MD KB. perforate: 1210' & 1212' MD KB, 2) 0.54" holes, 180 deg. phase at both depths <br /> Squeeze Cement: 100 bbls 12.3 lb/gal Class G lead cement, 16 bbls of 15.8 lb/gal Class G tail cement. <br /> Drill out cement then dump bail 16' of 12-13 Ib/g 5400 <br /> Kick-Off Point 1300 <br /> 2018 Remedial Work 1343.0 MD GL_ <br /> 1664.9'-1771.0' MD GL: removed 87.9' of 5.5" liner and hanger (top of 5.5" in 7.625") 1400 5300 <br /> DV Tool <br /> 1763.0'-2292.0' MD GL: fish -2.875" tubing + 4.5" bit + bit sub; 529' assembly left in hole 1411.0 MD GL <br /> Hanger- Removed 7/2018 7So <br /> 1755.0' MD GL: hole milled in 7.625" casing 1679.0 - 1771.0 MD GL ° 5200 <br /> Top of 2.875"Tubing C <br /> Plug and Abandonment Information 1763.0 MD GL 600 <br /> Depth = Measured Depth from Ground Level <br /> Top of 5.5"Tubing 0 5100 <br /> 1771.0 MD GL w <br /> 0.0'-2138.0' MD GL: cement to surface As-Built 0 <br /> Fish 9.875" Directional Hole <br /> 2.875"Tubing +4.5" Bit + Bit Sub 1343.0-2144.0 MD GL �� 5000 <br /> As-Built 1777.0-2306.0 MD KB (Build Rate: 10.5°/100) 00 <br /> 8H-I /8H-R Pass-by <br /> 2442.0 MD GL (8H-1) As-Built o0 Milled Hole in Casing <br /> As-Built Plug Back 2413.0 MD GL (8H-R) Intermediate Casing Pont o 1755.0 MD GL <br /> As-Built 2813.0-2883.0 MD GL 2138.0 MD GL o0 4900 <br /> 6.75" Directional Hole 2813.0 MD GL Plug Back TD o <br /> 2144.0-2883.0 MD GL N N N o Dissolution Surface <br /> TD -4 O� O1 a N <br /> 0 0 0 0 <br /> 4800 <br /> P&A North P&A South 4700 <br /> 6.75" Open Hole Cement Plug <br /> 2138.0-2813.0 MD GIL 2138.0 MD GL <br /> Natural Soda LLC <br /> 81-11-1 As-Built Well Completion <br /> Section 35, T1S, R98W Rio Blanco County, CO <br /> Daub&Associates,Inc.�.-;:' 'f�'�� Date: June 7,2019 <br />