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<br />1 <br />1 <br />1 <br />r <br />tai <br />WELL FBR 1 <br />Date Started: 8/27/79 Drilled by: T. Leach <br />Starner Drilling <br />Date Completed: 8/28/79 <br />Rig: Gardner-Denver Air Rotary <br />Location: NW 1/4, SW 1/4, Sec 12 T5N R86W 6 1/4" tricone bit <br />Total Depth: 378 ft *Logged by: D. Simpson, WWLL <br />Well Casing Length: 360.7 ft Geophysical Logging by: <br />B. Navakovich, Geologist <br />Elevation Well Lasing Top: 6792.4 ft Century Geophysical Corp. <br />Ground Surface Elevation: 6791.8 ft <br />Depth <br />range, Characteristics of 14aterial <br />feet <br />0-295 SHALE with interbedded siltstone <br />295-305 SANDSTONE with shale laminae <br />305-308 SHALE <br />308-310 COAL black <br />310-318 SANDSTONE with interbedded shale <br />318-320 COAL black <br />320-355 SANDSTONE with interbedded shale <br />355-365 COAL black <br />365-378 SANDSTONE with interbedded shale <br />Well Completion: <br />Surface casing is 6 7/8 inch ID steel set to about ZO ft. <br />Well casing is 4 inch ID steel set to 360 ft. <br />Hole drilled to 360 ft, casing installed and pressure grouted with Portland <br />cement and water. <br />After cement cured, hole drilled to TD with 3 7/8 inch tricone bit. <br />*Chips not collected; logged from electric logs <br />