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GOBVENT/ METHANE DRAINAGE BOREHOLE <br />DISTURBANCE SUMMARY <br />Well No. <br />Location <br />Depth/ <br />Inclination <br />Borehole <br />Dianneter <br />Completion <br />Date /Life <br />Road <br />Disturbance <br />Pad <br />I Disturbance <br />Northing Easting I Surve Collar Elev. <br />GVB -LW- <br />4120102 <br />1439318 <br />NE1 /4 S31 <br />8140' <br />2600'115 <br />9 5/8" <br />Same as 19 -08 <br />Same 19 -08 <br />19 -08C <br />T12SR90W <br />GVB -LW- <br />417453 <br />1436790 <br />SE1 /4 S31 <br />8194' <br />2325711 5u <br />9 5/8" <br />700' from road <br />150'x 150' <br />17 -05 -B <br />T12S90W <br />to LW -16 -05 <br />0.50 ac. <br />GVB -LW- <br />417240 <br />1437694 <br />SW1 /4 S32 <br />8226' <br />245071 5u <br />9 5/8" <br />Same as LW- <br />LW -17 -06 <br />17 -06D <br />T12S90W <br />17 -06 <br />GVB -LW- <br />416904 <br />1439197 <br />SW1 /4 S32 <br />8140' <br />235071 5u <br />9 5/8" <br />Same as LW- <br />LW -17 -08 <br />17 -08D <br />T12S90W <br />17 -08 <br />GVB -LW- <br />416904 <br />1439197 <br />SW1 /4 S32 <br />8140' <br />236071 5u <br />i <br />9 5/8" <br />Same as LW- <br />LW -17 -08 <br />17 -08E <br />T12S90W <br />I <br />1 <br />1 17 -08 <br />Notes: Standard CBM well construction involves drilling 15" OR 12.25" borehole to approximately 2300 foot depth and cementing 9 -5/8" casing, then drilling 8 -3/4" borehole into the <br />projected longwall fracture zone and casing the fracture zone with 6 -5/8" slotted casing for methane drainage. <br />Typical GVB well construction involves drilling 12.25" or 9 5/8" borehole to 20' above coal. 9 518" casing installed and cemented to 100' above coal. 100' of slotted 7 inch liner <br />to bottom of borehole extending up into the 9 5/8" casing 50'. <br />As noted, new road disturbance may provide access to several wells (existing roads used as noted). Some new road segments may be retained in conjunction with existing <br />ranch roads to provide ongoing access for the surface owner. <br />MR -99 8 March 2012 <br />