Sanish and Parshall Fields Recent and Notable Wells Units in which WLL Owns an Interest
17-mile 6” & 10” Residue Gas/NGL Line to WBIGas sales to Midwest markets Began in late August „08
17-mile 8” Crude Oil Line To Enbridge – Initial oil sales To Midwest markets began In early December „09
PARSHALL FIELD As of 04-15-11 Parshall Field Outline
127
Current Producers Potential Operated Bakken Locations Non-Interest Wells 72,420 Gross Acres 18,025 Net Acres
Behr 11-34H (Bakken) Compl. 6-20-08 10-stage frac Cum. Prod. @ 3/31/2011: 680,190 BO 398,709 Mcf
NEW WELL Ness 42-31 WH (Bakken Wing Well) IP: 1,529 BOE/d on 3-16-11 22-stage frac
Robinson Lake Gas Plant
SANISH FIELD As of 04-15-11 Sanish Field Outline
229 24 10 7 95 183
Current Producers Currently Completing Currently Drilling Remaining Operated Bakken Infill Locations Other Potential Operated Bakken Locations Potential Operated Three Forks Locations
Non-Interest Wells Refer to Slide #19 for more details. 108,269 Gross Acres 66,253 Net Acres
NEW WELL Smith 14-29XH (Cross Unit) IP: 2,028 BOE/d on 4-2-11 40-stage sliding sleeve frac
24