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Exhibit 12 Con't• • <br />~. SUMMARY OF WELL COMPLETION DATA <br />Number Elevation Elevation Casing of Casing of Well Interval <br />(MSL) (MSL) (inches) (feel) (feet) <br />Permit Area Wells Completed in the "B" Seam <br />• <br />(Static Water level Tables referenced are <br />internal information in WATEC raw data files <br /> C-72-H 7641 (26) 7642.33 (26) Steel (31) 7", 0'-30' (11) 1140' Open Hole, 1091'-1106' (11) Hole plugged 1108'-1140' (11) <br /> 4", 30'-109 (11) <br /> SOM-127-H 6291 (23) 6292.25 (23) Steel (31) 7". 0'-100' (11) 386' (11) Open Hole, 349'-386' (11) <br /> 4", 0'-749' (11) <br />. SOM-129 6767 (16) 6769.1 (16) Steel (6) 7", 0'-20' <br /> PVC (6) 4", 0'-365' (6) 365' (6) 4' slotted casing, 334'-362' (6) <br /> JMB-12 7535 (17) 75365 (t7) Steel (6) 7",0-42' <br /> PVC (6) 4", 0'-625' (6) 627' (6) 4' slotted casing, 590'-622' <br /> Permit Area Well Completed in the Rollins Sands tone Jusl Below the "B" Seam <br /> SOM-128-H 6768 (25) 6770.8 (25) Steel (31) 420' (11) Open Hole, 375'-420' (11) <br /> <br />EX71~170.VJB2/t1 <br />