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PEABODY COAL COMPANY - WESTERN DIVISION <br />MONITOR WELL CONSTRUCTION AND COMPLETION SUPIMARY <br />Mine: Seneca II Monitor 'dell Name: GW-S61 <br />Location Coors: 5(25396.33), E(11573.10) <br />Ground S urface Ele v: 6891.86 Total Depth: 25.0 ft. <br />Peabody Personnel: T. Smith Driller: Winnek Drilling Co. <br />Type of Drilling: Hollow Stem Auger Drilling Fluid: none <br />Borehole Diameter: 12 inch Completion Date: 9/23/87 <br />Well Construction Diagram <br />Depths ~ Details <br />boo Cao <br />' o.o - <br />~ement <br />~raut <br />5.~ <br />91ank <br />e o' <br />i Casing <br />i <br /> <br />' <br /> <br />ao °° <br />°° <br />i <br />~ <br />°~ o0 <br />00 <br /> <br />io.o_. 00 <br /> <br />00 <br />oa <br /> <br /> <br /> <br />0 <br /> <br /> <br /> <br />3/e inch °° <br /> <br />eo <br />°° <br /> <br />~ <br />- <br />00 <br />o0 <br />°° <br /> <br />Pea Gravel eo <br />°° ~ <br />- oe <br />°° <br /> <br />i5.o e: _ o0 <br />- °, <br />,D °° <br /> <br />~ ~le~~ -_ ', <br />co <br />iG~°en <br />I <br />oo <br />.') . i - <br />oc <br />~ <br /> <br />~ <br /> <br />;~. - <br />- <br />_ <br />°~ <br />'i .~' . e - ~~.. <br />Ena Cao <br />Completion Details <br />• <br />Casing Specs: Blank 4 inch schedulA 40 pvc, flush threaded <br />Perforated a inch schedule 40 pvc, 6 columns of <br />horizontal mill slots ~.vith 0.02-0.025 inch openings <br />Blank Interval(s) 0_12.0 r't. <br />Perforated Interval(s) 12.0-26.0 ft. <br />Packer and/or Cement Basket Set At none <br />Bentonite Seal From none To <br />Cement Seal From 0.0 ft. To 5.0 ft. <br />Gravel Pack From 5.0 ft_ To 26.0 ft. <br />Casing Height or MP Above Ground Surface 'i_29 ft_ <br />Additional Details <br />Development Summary nPyPlnpart '-•~~ '~~,.; ^~ n~~r~ ~n <br />Comments: <br />1-1-70 <br />• <br />