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PEABODY COAL COMPANY -WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />.Mine: Ser>eca 2 - W Monitor Well Name: G41 - 52W - 15-W <br />Location Coors: SE 1/4, N,J 1/4, 515, T5N,R88W <br />Ground Surface Elev: 7514.42 Total Depth: 347 feet <br />Peabody Personnel: M Knfflar Driller: Winnek Drilling Co. <br />Type of Drilling: rvtarv Drilling Fluid: water <br />Borehole Diameter: tn°70 ft. 6.75 inch, Completion Date: '10/2/87 <br />reminder 4.5 inch ' <br />Well Construction Diagram ~ Completion Details <br />Depths Details Casing Specs: Blank 2 inch schedule 80 pvc, flush threaded <br /> Perforated 2 inch schedule 80 pvc, 4 crolums of <br />tOP CAP horizontal mill slots with .02 - .025 indl openings <br />o.o= Blank Interval(s) 0 -329 feet <br />Cement gro:t~` <br />6.0- Perforated Interval(s) 329 -347 feet <br /> <br /> =~~, <br />_:~ <br />,;, <br /> <br /> ~~~ ~ <br /> <br />% <br />' <br />,~ <br />=~• <br />~ <br />~: Packer and/or Cement Basket Set At 2 packers at 328.6 and 329 ft. <br /> _, <br />. „ , <br />. -, <br />100.0- ;,:,; Bentonite Seal From 210 ft. To 328.6 ft. <br /> <br /> <br />' <br />~ "1: <br />' Cement Seal From 0 ft. To 6 ft. <br />Cuttings „ <br />_; ~;; <br /> ~ Gravel Pack From none To <br /> ~ <br />~'~" <br />,~•,: %"~'= Casing Height or MP Above Ground Surface 2.60 ft. <br /> <br />blank casin ,,, <br />g ,_1` <br />~ <br />; <br />,~ <br />Additional Details 20 gals, of pea gravel imlr`diately above the packers <br /> ; <br />~~•; , <br />,~ <br />,: <br /> = <br /> <br />'%'• <br />-' ~~ ': <br />;:-; <br />200.0- <br />210.0 - :~:? ,_~- <br /> <br /> Development Summary WP11 wac riavPln an ri b <br />on <br />hailin <br /> y <br />g <br />bentonite pellet <br />° <br />~ 10/5/87 and air Surging on 7/20/88. <br />hole plug ~~ ' <br />° <br />• <br /> . <br />>° <br /> ap. <br />2 Packers •' <br />•., <br />Comments. <br /> <br />300.0 - ., <br />328.6 - °; <br />329.0 - <br />Well Screen [ <br />347.0_ <br />END CAP <br />B-18 <br />