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A. <br />150 <br /> WELL FBR 5 <br /> Date Started: 10/5/79 <br /> Date Completed: 10/7/79 <br /> Location: SW 1/4, SW 1/4, Sec 12 T5N R86W <br /> Total Depth: 856 ft <br /> Well Casing Length: 820.6 ft <br /> Elevation Well Casing Top: 7022.5 ft <br /> Elevation Ground Surface: 7021.9 ft <br />Drilled by: T. Leach, Starner Drilling <br />Rig: Gardner-Denver Air Rotary <br />6 1/4 inch tricone bit <br />Logged by: D. Simpson, WWLL <br />Geophysical Logging by: <br />B. Navakovich, Geologist <br />Century Geophysical Corp. <br />Depth <br />Range, <br />Feet <br />Character of Materials <br /> 0 <br />5 TOPSOIL b <br />i <br />th <br />d <br />f <br />t <br />d <br />t <br />t <br /> - rawn, con <br />ns wea <br />ere <br />san <br />s <br />one <br />ragmen <br />a <br />s <br /> 5-20 SANDSTONE brown to grey, with limonite stains contains quartz, <br /> feldspar and some black heavy minerals; medium to fine grain size, <br /> 5' - 10'; fine grained, 10' - 20'; well sorted <br /> 20-65 SANDSTONE grey; medium to fine grained; grains appear angular <br /> 65-75 SANDSTONE with interbedded siltstone <br /> 75-105 SHALE grey; containing some beds of siltstone and fine sandstone <br /> 105-135 SANDSTONE grey; very fine grained <br /> 135-170 SANDSTONE grey; medium to fine grained <br />. 170-180 SANDSTONE grey; fine grained with interbedded shale ;.dark <br /> grey to black <br /> 180-195 SANDSTONE grey; fine to medium grained <br /> 195-225 SANDSTONE grey, fine grained with interbedded shale; black <br />' 225-240 SHALE grey; not fissile <br /> 240-270 SANDSTONE light grey; very fine grained; laminated with shales; <br /> black <br /> 270-815 SHALE dark grey; with fossil mollusc shells; contains interbedded <br />i siltstones <br /> 815-825 SANDSTONE grey; medium to fine grained; poorly sorted with <br /> interbedded shale <br /> <br /> <br />