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_ <br />22235 H75 Rd., Delta, CO 81416 RACS, LLC (970) 874-7393 <br />WELL ABANDONMENT REPORT <br />Date 9-21-2017 <br />Well Identification <br />Owner Arch Coal, West Elk Coal Mine <br />Quantity <br />Well Number E543 <br />From <br />Well Location (township & range) Section 2, T14S, R90W <br />Material Used <br />(Lat / Long) LAT: N 38° 51' 47.28", LAT: W 107° 24'53.67* <br />Lbs./Gal. <br />County Gunnison State CO <br />Elevation 8117 <br />Existing Well Details <br />Is a well drillers report available?�es ONo <br />Nature of use & current status Methane Drainage Well / shut in <br />121' <br />Hole Depth 1109 Feet Hole Diameter 12.25" Inches <br />3/8" bentonite chips <br />Surface Casing type / Wt. Steel / Size 14" Depth 40' <br />Intermediate Casing Type / Wt. Steel /360 Size 5/8 <br />Depth 1034' <br />-9 <br />Completion Blank Casing Type / Wt steel /200 Size 7" <br />Depth From 979' To 1021' <br />Completion Perf casing Type / Wt steel /200 Size 7" <br />Depth From 1021' To 110x' <br />Static Fluid Level Depth NA _ Feet - Artesian Flow GPM - Shut -In Pressure PSI <br />Notes <br />MI Swaco Super Plug Bentonite <br />Abandonment Details <br />Reason for Abandonment No Longer needed <br />Bridge Plug type RTJP <br />TD of well or Bridge Plug Depth 123' Feet <br />Total fluid volume of well from TD or Bridge Plug 400 <br />Total volume of fluid used 374 Gallons <br />Method of sealing material placement 2 3/8 EUE Tubing <br />Casing cut to 4' Ft. below surface P&A Marker type aluminum cap on 1/2" rebar stake <br />Date of Abandonment Completion 9-1-2017 <br />Gallons <br />Depth((Feet) <br />Quantity <br />Density <br />From <br />To <br />Material Used <br />Gal. / CuFt. / Sks. <br />Lbs./Gal. <br />123' <br />121' <br />9 5/8" RTJP <br />121' <br />105' <br />3/8" bentonite chips <br />10 Sx <br />105' <br />36' <br />Class G cement <br />176 Gal./ 20 Sx <br />15.6 PPG <br />36' <br />7' <br />MI Swaco Super Plug Bentonite <br />172 Gal. ! 4 Sx <br />7' <br />Surface <br />Type II Cement <br />26 Gal. / 3 Sx <br />15.2 PPG <br />Notes MIRU, pulled 120' of 1"NUE Tubing, Push 9 5/8 RTJP to 123', casing squeezed. dumped 10 sx chips & 20 sx cement. WOC <br />taxa TOC dt 361, mix & pump 4sx super plug & 3 sx cement to surface. Cut casing 4' BGL & buried. RDMO <br />* All depths are from top of surfacc casing <br />