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RAC S, LLC <br />22235 H75 Rd., Delta, CO 81416 (970) 874-7393 <br />WELL ABANDONMENT REPORT <br />Date 9-21-2017 <br />Well Identification <br />Owner Arch Coal, West Elk Coal Mine <br />Density <br />Well Number ES -07 <br />Material Used <br />Well Location (township & range) Section 2, TUS, R90W <br />Lbs./Gal. <br />(Lat / Long) LAT: N 38° 51'54.00", LAT: W 107° 24'18.72" <br />9 5/8" RTJP <br />County Gunnison State CO <br />Elevation 8167' <br />Existing Well Details <br />Is a well drillers report available'.? Yes [ No <br />3/8" bentonite chips <br />Nature of use & current status Methane Drainage well / shut in <br />Hole Depth 1000 Feet Hole Diameter 12.25" Inches <br />Class G cement <br />Surface Casing type / Wt. Steel / Size 14" Depth 40' <br />Intermediate Casing Type / Wt. steel / 36* Size 9 5/8 <br />Depth 1088' <br />Completion Blank Casing Type / Wt steel /200 Size 7" <br />Depth From 950' To 1015' <br />Completion Perf casing Type / Wt steel / 20*Size 7" <br />Depth From 1015' To 1102' <br />Static Fluid Level Depth NA Feet - Artesian Flow GPM - Shut -In Pressure PSI <br />Notes <br />15.2 PPG <br />Abandonment Details <br />Reason for Abandonment No Longer needed <br />Bridge Plug type RTJP <br />TD of well or Bridge Plug Depth 400' Feet <br />Total fluid volume of well from TD or Bridge Plug 1300 <br />Total volume of fluid used 1191 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 <br />Date of Abandonment Completion 9-18-2017 <br />Gallons <br />Dept (Feet) <br />Quantity <br />Density <br />From To <br />Material Used <br />Gal. / CuFt. / Sks. <br />Lbs./Gal. <br />400' 399' <br />9 5/8" RTJP <br />399' 370' <br />3/8" bentonite chips <br />18 Sx <br />370' 291' <br />Class G cement <br />176 Gal./ 20 Sx <br />15.6 PPG <br />291' 7' <br />MI Swaco Super Plug Bentonite <br />989 Gal. / 23 Sx <br />T Surface <br />Type II Cement <br />26 Gal. / 3 Sx <br />15.2 PPG <br />Notes MIRU, Push 9 5/8 RTJP to 400', casing squeezed. dumped 18 sx chips & 20 sx cement, WOC <br />tag TOC C 291', mix & pump 23sx super plug & 3 ax cement to surface. Cut casing 4' BGL & buried. RDMO <br />* All depths are from top of surface casing <br />