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C80 <br />Table C52. Miscellaneous information pertaining to wells 21012-17U and <br />21012-17M. <br />Hydrologic <br />Zone <br />Upper Sandstone Facies Location <br />Monitored: Siltstone & Coal Facies Number:^ <br />Date Drilled: 9/23/79 Total Depth: 545 Ft. <br />Date Logged: <br />Logged Depth: <br />(GAMMA) <br />21012-17 U <br />Surface <br />Elevation: 5627 ft. MSL <br />Drill or <br />Core Hole: <br />REMARKS: Top of "D" Coal = 501 ft. <br />Top of "B" Coal = 523 ft. <br />Material Used: 5 sack cement <br />10 lbs. calcium chloride <br />8.3 lbs. bentonite <br />Additives were used so the cement 1~~ <br />would nat set sooner. <br />Set 432 feet (25.23 joints) of <br />2 inch inside diameter steel Upper Sandstone <br />pipe with cementing baskets Facies <br />at 237 and 239 feet. <br />Upper sandstone facies monitored <br />through 8 joints (168 feet) of <br />one inch steel pipe. 168.0' <br />237.5' <br />Transition Zone 239.5' <br />254' <br />Siltstone 6 <br />Coal Facies <br />2 3/8" <br />• <br />n <br />U <br />Bottom of <br />1" left open <br />Pipe Below <br />Cement Baskets <br />Bottom of 2" <br />532.01' plugged <br />TD 545' Bottom of <br />Coal Zone <br />560' @ 531.0' <br />Lower Sandstone Facies <br />