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PEABODY COAL COMPANY - WESTERN DIVISION <br />h10NITOR WELL CONSTRUCTION AND COMPLETION SUMMARY <br />.Mine: Seneca 2 - W Monitor 4lell Name <br />Location Coors: NE 1/4. SW 1/4. 522. T5N R88W <br />Ground Surface Elev: 7463.33 <br />~ - S2v! - 18-0 <br />Total Depth: 352 ft. <br />Peabody Personnel: D. Jones Driller: <br />Type of Drilling: rotary Drilling <br /> <br />Winnek Drlllirig Co. <br />Fluid: water <br />Borehole Diameter: try 20 ft. 6.75 inch Completion Date: 9/21/87 <br />rgnainder 4.5 inch <br />Well Construction Diagram ~ Completion Details <br />Depths D eta ils I Casing Specs: Blank 2 inch schedule 40 pvc, flush threaded <br /> Perforated 2 lnch schedule 40 pvc, 4 mlums of <br /> <br />roP. CAP horizontal mill slot with .02 - .025 inch openings <br /> ""~ ' <br /> <br />Lement grout Blank Interval s 0 - 252.0 ft. <br />( ) <br /> <br />0.0 - <br />3.0 ~ <br />° <br /> <br />o Perforated Interval(s) 252.0 -35?.0 ft. <br /> °° <br />o °° <br /> °° <br /> eo° o°° <br />°° Packer and/or Cement Basket Set At none set <br /> °°° °°° <br /> <br /> <br />Bl <br />k <br />i <br />o°o °°° <br />°°° <br />an <br />cas <br />ng °°° <br /> <br />°° <br />a°° <br />o° <br />o Bentonite Seal From none To <br /> °° °° <br /> o°° °_° Cement Seal From 0 <br />0 ft <br />To 3 <br />0 ft <br /> <br />~oo.a _ <br />°oo <br />o,o . <br />, <br />. <br />. <br /> °~o <br /> <br />°°° <br />°°° <br />°°° <br />°°° Gravel Pack From 166.0 ft. To 352,0 ft. <br /> eoe <br />°° <br />a°° Casing Height or MP Above Ground Surface <br /> °°° <br />< 3/8 INCH _ <br />- 000 000 Additional Details Gravel pack bridged near the surface. Carpleted <br />PEA GRAVEL <br />~ eae 000 <br /> °°° °°° <br />°°° in the Wadae overburden. <br /> 00 <br /> oao <br /> 000 °°° <br /> °°° °°° <br />200.0 - o0o goo Development Sumanary mvPl~rri with air surging far 2 hours on <br /> ~~~ ^^= 10/1/87 with additional air surging on 7/19/88. <br /> ooe <br /> <br />°°° <br />000 <br /> <br />252.0 - °°° <br />000 <br />oao <br /> °°° <br />000 <br />~ °°° <br />Comments. <br /> . <br />Well Screen <br />000 <br /> <br />goo <br /> °° <br />oo° <br /> <br />300 <br />0 - <br />000 _ o°° <br />. 000 <br /> °°° ~ <br /> 000 000 <br />ENO CAP °°° --- O0O <br /> °°° <br />°°° <br /> <br />000 <br /> <br />.~ °°° <br />0°° <br />352.0 - ` o <br /> , ° ° <br />