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Natural Soda, Inc. <br /> <br />Drilling and Well Completion Diagram <br />Daub & Associates, Inc.??? <br /> <br />NATURAL SODA <br /> Well: 93-2M (p&a) Well Type: DS Aquifer / Subsidence Monitoring Well <br /> Cement <br /> Section: 26 Hole Type: Rotary Hole <br /> Township: 1S Ground Elevation, ft: 6659.3 9 Hole Plug and/or Cement <br /> Range: 98W Stick-Up Height, ft: na <br />® Bentonite Plug / Seal <br /> Latitude: 39.933353236 Diagram Date: 912110 <br />L ongitude: 108.361759081 Sand Plug 1 Sand Pack <br />Tota <br />0 l Depth, ft: 1945.0 ® Bridge Plug <br />100 DRILLING and COMPLETION SUMMARY <br /> 0-88.0: conductor drill hole, 8.750" dla. <br /> 0-88.0: conductor casing, 7.000" OD <br />200 88.0-1925.0: Intermediate drill hole, 6.250" dia. <br /> 0-1925.0: Intermediate casing, 4.500" OD <br /> 0-1925.0: intermediate casing cement <br /> 1925.0-1945.0: drillout, 3.875" dla. <br /> 1900.0-1945.0: hole bridged after drillout unable <br />300 to drill through bridge; fill material unknown <br /> 1898.0-1900.0: cast iron bridge plug <br /> 1876.0-1897.0: perforations <br />400 WELL ABANDONM ENT <br /> perforations: two 318" shots per foot, <br /> 120 degree phasing, 12 shots total <br /> 1212.0-1215.0: perforated Interval <br /> 1230.0-1233.0: perforated Interval <br />Soo <br />000 1.0-1898.0: cement plug <br />700 <br /> <br />800 <br />900 <br />Uinta-Uinta Transition <br />1000 <br />1100 <br />1200 <br /> <br />207 <br />1300 <br />1400 <br />Fl.CAGuifer <br />1500 <br /> <br />1800 <br />1700 <br />- rV <br />B-Grv Aquifer <br />1800 <br />L-5 Zone <br />DS Aquifer <br /> DS: 1995.0, est <br />1900 <br /> <br />2000 1952 est <br />Figure 1: 93-2M Plugging and Abandonment Diagram <br />Daub & Associates, Inc. Page 4 of 4 93-2M Plug and Abandonment Report