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MDW 20- 01, 03 <br />METHANE DRAINAGE WELLS <br />GROUND LEVEL <br />82Q0 FT. EL. <br />~- VALVE <br />X <br />~X <br />Xx <br />\XX <br />tiX <br />19 INCH HOLE FOR SURFACE <br />CASING DRILLED 38 FEET <br />16 INCH DIAMETER SURFACE <br />CASING INSTALLED TO 38 FEET <br />12 1/4 INCH DIAMETER HOLE, <br />HAMMER DRILLED 38-220 FEET <br />MOTOR DRILLED 220 - 2026 FEET <br />1932 FEET <br />50 FEET <br />9 5/8 <br />S Ufdf <br />CASING, <br />FEET <br />8 3/4 INCH HOLE. HAMMER DRILLED <br />2026- 2161 FEET <br />235 FEET TVD <br />TD 2161 FEET ~„ <br />7 INCH SLOTTED CASING ~ i ~ <br />ui <br />25 FEET ~- MINING <br />DIRECTION <br />SEAM <br />40 FEET OF BLANK 7 INCH 245 FEET <br />OF 7 INCH SLOTTED STEEL CASING NOT <br />CEMENTED IN PLACE, BOTTOM OF CASING <br />2161 FEET <br />METHANE <br />GAS <br />®~ ±~ <br /> <br />