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Natural Soda LLC <br /> ,Alk Daub & Associates, Inc. _ <br /> Well Abandonment Diagram NATURAL SODA <br /> Well: 90-1 Well Type: A-Groove Monitor Well Cement <br /> Section: 26 Hole Type: Core Hole Hole Plug and/or Cement <br /> Township: 1S Ground Elevation, ft: 6671.5 Bentonite Plug /Seal <br /> Range: 98W WL Measurement Elevation, ft: n/a Sand Plug /Sand Pack <br /> Latitude (83): 39.930914 Diagram Date: 10/6/2022 <br /> Longitude (83): 108.363434 Bridge Plug <br /> Total Depth, ft: 1451.0 Pump <br /> Transducer <br /> 0 <br /> 100 DRILLING and COMPLETION SUMMARY <br /> 0-29.6: unconfirmed conductor hole size <br /> 0-29.6: 20"conductor casing <br /> 0-1235.0: intermediate drill hole, 12.250"dia. (est) <br /> 200 0-1223.0: intermediate casing, 9.625"OD x 8.921 ID, <br /> J-55, 36 lb/ft. <br /> 0-1235.0: intermediate casing cement <br /> 1235.0-1451.0: drill hole, 8.875"dia. (est) <br /> 300 <br /> RECOMPLETION to A-GRV MONITORING WELL <br /> 0-1368.3: casing,4.5"OD x 3.92" ID, <br /> 80 FJ HWT, 13.04 lb/ft. <br /> 70-1374.0: casing cement(Cemented to surface <br /> 400 during recompletion. Cement fell back after <br /> cementing crews left the site.) <br /> 1408.0-1451.0: cement plug back <br /> 1374.0-1408.0: open hole interval, 8.875"dia <br /> 500 <br /> CLEANOUT AND PLUG BACK,6/28/2016 <br /> 1402.0-1404.0: bentonite <br /> 1404.0-1408.0: native fill <br /> 600 SAMPLING EQUIPMENT REMOVED; April 2022 <br /> PLUG&ABANDON OPERATIONS: 9/23/2022 <br /> 1402.0-1408.0: cleanout bentonite& native fill <br /> 700 57.0-58.0: perforate, 4 spf, 90 degree phasing <br /> 240.0-241.0: perforate,4 spf, 90 degree phasing <br /> 500.0-501.0: perforate,4 spf, 90 degree phasing <br /> Uinta-Uinta Transition 641.0-1408.0: cement stage#1 (14.4 bbl Portland type <br /> 800 <br /> 0.0-641.0: cement stage#2 (12.3 bbl Portland type 1/11) <br /> 900 <br /> 1000 <br /> 1100 <br /> 1200 1210 <br /> 1300 R-8 Zone <br /> 1384 <br /> 1400 1400 A-Gry Aquifer <br /> 1410 <br /> 1500 R-7 Zone <br /> 1580 est 1570 <br /> 1600 B-Gry B-Gry Aquifer <br /> 1605,est 1615 <br /> 1700 R-6 Zone <br /> 74 <br /> 1800 <br /> 1841 <br /> L-5 Zone DS Aquifer <br /> DS: 1891 est <br /> 1900 <br /> 4 <br /> R-5 Zone <br /> 2000 <br />