10/21/2013 10/21/2013 10/21/2013 10/21/2013 2 LOCATION: LOCATION: LOCATION: LOCATION: TITLE: TITLE: TITLE: TITLE: APPROVED APPROVED APPROVED APPROVED DRAFTED DRAFTED DRAFTED DRAFTED PROJECT# PROJECT# PROJECT# PROJECT# DATE DATE DATE DATE F F FI I IG G GU U UR R RE E E ! R ! R ! R ! R ! R ! R ! R 0 1 2 3 4 5 6 7 8 0 1 1 1 1 2 2 ORW-46 ORW-53 ORW-52 ORW-50 ORW-49 ORW-37 ORW-36 MRAA Gas Zone Thickness in the Vicinity of the Bayou Corne Community Napoleonville Salt Dome Project Bayou Corne, Louisiana Legend ! R Relief Well Location Zone of Influence (ft) Thickness of MRAA Gas Zone (ft) ± 500 0 500 250 Feet Porosity = 0.25 Rec Gas = 0.50 Porosity = 0.30 Rec Gas = 0.60 ORW-36 111 800 3.2 4.27 386 322 ORW-37 127 200 0.5 4.74 464 386 ORW-49 110 1500 5.5 4.24 405 337 ORW-50 110 1500 6.5 4.24 372 310 ORW-46 126 600 1.8 4.53 433 361 ORW-52 111 1000 3.2 4.27 432 360 ORW-53 110 1000 3.5 4.24 414 345 Relief Well Volumteric Radius of Influence (ft) Pr/Ps Thickness of Gas Zone (ft) Potential Producible Gas (MCF) Depth to MRAA (ft) ROI – volumetric Radius of Influence (ft) gas prod –potential volume of producible gas (ft 3 ) b – mapped thickness of the gas zone at well (ft) Φ –porosity (25%) ΔS –recoverable gas fraction (50%) Pr – hydrostatic pressure from ground surface (psia) Ps – atmospheric pressure (psia) ROI = ∗ ∗ ∗∗ 0.5 Volumetric Radius of Influence (ft) This calculation is based upon simplifying assumptions including uniform properties within the radius of influence and estimated gas production for each relief well.