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THICKENER UNDERFLOW WELL DIAGRAM <br />05/27/2010 <br />NOT TO SCALE STUF"F"ING BOX <br />SAMPLE TUBE WITH METHANE MONITOR <br />e - <br />DISCHARGE AIR WITH SAMPLE TUBE <br />VALVE ❑N DISCHARGE AIRLINE <br />a) PLACEMENT OF 40' L x B• ID WELDED BEVELED JOINT CASING <br />WITH CENTRALIZERS AND GROUT. <br />P:y4a do 01%'fhkJh under Hw - <br />CASING <br />WELL HEAD <br />PHASE <br />WIPER/SEAL AROUND DRILL STEEL ❑R CASING <br />COMPRESSED AIR IN <br />VALVE ❑N INTAKE AIRLINE <br />20' ❑F WATER INSIDE CASING <br />EMENT PLUG BOTTOM ❑F CASING <br />MINIMUM OF 15' BETWEEN MINE R❑OF AND DRILL BIT ❑R CASSING <br />