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THE INFORMATION ON THIS PAGE DOES NOT NEED TO BE FIELD CONFIDENTIAL <br />Exhibit C - AMSO, LLC Notice of Intent Supplemental Information <br />TM-1 through TM4 (See Figure C.5 in this section) <br />(All TM wells will be drilled following the same methods) <br />Tomography and Illite Zone Hydrology Test Hole <br />• Drill a 19" diameter hole a minimum of 20 feet with at least 5 feet into competent <br />bedrock. Historically, surface casing holes have been 40 to 60 feet deep. (Air or <br />Air/Foain) <br />• Rim 16", 75#, J-55 Surface Casing. <br />• Cement with "Neat Cement" to surface. <br />+ Rig up diverter and wait on cement a minimum of 4 hours. <br />+ Drill out through the surface casing with 14-3/4 diameter bit using air foam. <br />Advance the drill hole to ±1940 feet, circulate until clean, and condition for <br />geophysical logging. Mud drilling may be utilized to control water flows. <br />• Trip out of the hole and rim geophysical logging suite. (TM-I only) <br />• Run 10-3/4", 40.5# J-55 casing with a guide/float shoe to -1932 feet (top of <br />Illite). <br />• Mix and pump a Type I or II Portland Cement with 2% bentonite to surface. <br />(service company) <br />• Wait on cement 12 hours. <br />• Trip into the hole with a nominal 9-7/8" bit and drill fiom 1940 to 2300' (TD). <br />• Circulate the hole clean and trip out of the hole. <br />• Rini geophysical logs from TD to the bottom of the 10-3/4" casing. (Hole TM-I <br />only) <br />• Move to TM-2, drill and complete identical to TM-1. Repeat with TM-3 and TM- <br />4. No geophysical logging will be done on TM-2 through TM-4 <br />• Perform hydrologic testing on the Illite test zone. <br />• After hydrologic testing is completed, rig back up and Run 4 V2", DHC 250 <br />fiberglass casing from TD to surface on TM-I through TM-4. Cement to -x1840 ft. <br />(100 feet into the 10-3/4" casing) <br />• <br />14