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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />,~1ine: Seneca 2 - W Monitor Well Name: 4•! - S2W - 19A <br />Location Coors: 5W 1/4. SE 1/4, 516, Tel, R~1 <br />Ground Surface Elev: 6901.31 Total Depth: 3p Few <br />Peabody Personnel : Smith Dri) ler: Winnek Drilling Co. <br />Type of Drilling: Hollow sten auger Drilling Fluid: none <br />Borehole Diameter: 19 inch Completion Date: 8/17/87 <br />Well Construction Diagram ~ Completion Details <br />Depths D eta ils Casing Specs: Blank 4 inch, schedule 40 ovc. flush threaded <br />FEET <br /> Perforated 4 inch,schedule 40 pvc. 6 colums of <br />i0P CAP.~ <br /> ~ <br />; <br />.~,,:. <br />horizontal mill slots with 02 - 025 inch openings <br />Cement Grout <br /> Blank Interval(s) 0 - 10 ft. <br />0.0 '_ <br />4.5 Perforated Interval (s) 10 - 30 ft. <br /> ° <br /> °°° 000 <br /> °°° °°° <br />t3/8 IN. PEa ~^^ <br />000 °°° <br />000 Packer and/or Cement Basket Set At none set <br />GRAVEL ~ °°° °°° <br /> 000 <br />00o 0°0 <br />goo <br /> °°° <br />°00 <br />°°° <br />Bentonite Seal From <br />N/A To <br />Blank Casin o00 <br />g <br />o°o <br />°° <br />° 0O0 <br /> <br /> <br />"~ <br />Cement Seal From 0 ft. To 4.5 ft. <br /> °0a <br />°° °°° Gravel Pack From 4 <br />5 ft <br />To 30 ft <br /> <br />10.0- <br />°°° <br />° <br />~ . <br />. <br />. <br /> <br />°oo <br />°°° ._ ~ <br /> <br />o° Casing Height or MP Above Ground Surface 3.00 ft. <br /> <br />000 <br />°o° v <br />o°° <br />~°° <br />o°° Additional Details Placed 1 ft. grout plug in bottan of well. CarF- <br /> °oa ~ 0°° <br />oao <br />Dieted in Hubberson C~lch all <br />i <br /> o°° ~ uv <br />um <br /> 000 ~ °°° <br /> °°° <br /> 000 <br />_' 0°° <br />Well 000 o00 <br />Screen °°° <br />°° 000 <br /> <br /> <br /> <br />ao <br />v Oe~ <br />°°a <br />00 <br /> <br />°° <br />Development Summary bailed the well bore drv 3 tirres <br /> <br />zo.o,- o°° <br />°°° <br />~ <br />o00 <br /> goo <br /> <br />000 o°° <br /> ' <br /> ° ° ° ~ <br />~-- <br />ooe Comments <br /> <br /> <br />000 ~~ o00 <br />000 <br /> 000 <br />000 ~ ooe <br /> <br /> <br />END CAP <br />000 <br />°°° 000 <br />000 <br />°° <br /> 000 ~- <br />~~ 000 <br />°00 <br /> 000 000 <br /> 000 <br /> ~~ o00 <br /> <br />30.0 . ~i ° <br /> <br />0 <br /> ° °~° B-1 <br />