Date Geol Regno Reg Provno Prov TPSno TPS AUno AU Data Comm Minsize MMB Numoil Numgas AUM MedO1MMB MedO2MMB MedO3MMB MedG1BCF MedG2BCF MedG3BCF Prob1 % Prob2 % Prob3 % Geoprob % Prob4 % NOmin NOmed NOmax NGmin NGmed NGmax SOminMMB SOmedMMB SOmaxMMB SGminBCF SGmedBCF SGmaxBCF GminCF/B GmedCF/B GmaxCF/B NminB/MMCF NmedB/MMCF NmaxB/MMCF LminB/MMCF LmedB/MMCF LmaxB/MMCF APImin deg APImed deg APImax deg Smin % Smed % Smax % ODmin m ODmed m ODmax m OWDmin m OWDmed m OWDmax m IGmin % IGmed % IGmax % CO2min % CO2med % CO2max % H2Smin % H2Smed % H2Smax % GDmin m GDmed m GDmax m GWDmin m GWDmed m GWDmax m 8/19/02 E.A. Johnson 5 North America 5037 Southwestern Wyoming 503701 Phosphoria 50370101 Sub-Cretaceous Conventional Oil and Gas "NRG 2001 (data current through 1999), PI/Dwights 2001" Oil 0.5 11 11 Established 15.1 1.5 18.4 50.5 1 1 1 1 1 2 4 8 5 17 45 0.5 2 90 3 20 3600 969 1938 2907 18 36 54 15 30 45 31 36 55 0.1 0.45 1.4 539 1719 4195 0.7 1.5 10 0.1 5.2 70 0 0 10 921 4562 6100 8/21/02 M.A. Kirschbaum 5 North America 5037 Southwestern Wyoming 503702 Mowry Composite 50370201 Mowry Conventional Oil and Gas "NRG 2001 (data current through 1999), PI/Dwights 2001, WGA Guidebooks" Gas 0.5 11 29 Established 8 0.85 37.2 9.5 30.6 1 1 1 1 1 1 3 7 3 14 22 0.5 1.5 20 3 12 80 842 1684 2526 70 140 210 10 20 30 17.5 38 47 0.1 0.2 0.5 3650 4250 4875 0.1 1 20 0.2 0.6 3.2 0 0 0 650 2500 5800 8/26/02 R.C. Johnson and T.M. Finn 5 North America 5037 Southwestern Wyoming 503704 Hilliard-Baxter-Mancos 50370401 Hilliard-Baxter-Mancos Conventional Oil and Gas "NRG 2001 (data current through 1999), PI/Dwights 2001, Wyoming Oil and Gas Conservation Commission" Gas 0.5 1 8 Frontier 7.1 10.5 1 1 1 1 1 0 0 0 1 2 4 3 6 50 32 64 96 0.1 1 25 0.1 0.4 0.9 0 0 0 300 1500 2400 8/22/02 R.C. Johnson and T.M. Finn 5 North America 5037 Southwestern Wyoming 503705 Mesaverde 50370501 Mesaverde Conventional Oil and Gas "NRG 2001 (data current through 1999), PI/Dwights 2001" Oil 0.5 2 12 Established 170 8.4 1 1 1 1 1 1 2 3 2 5 12 0.5 1 5 3 6 30 4120 8239 12359 18.5 37 55.5 5.92 11.85 17.77 42 43 44 0 0 0 881 1200 1544 0.1 0.7 2.5 0.1 1.29 2.3 0 0 0 1320 1670 2028 8/22/02 R.C. Johnson and T.M. Finn 5 North America 5037 Southwestern Wyoming 503706 Mesaverde-Lance-Fort Union Composite 50370601 Mesaverde-Lance-Fort Union Conventional Oil and Gas "NRG 2001 (data current through 1999), PI/Dwights 2001" Oil 0.5 3 4 Frontier 11 41 1 1 1 1 1 1 2 3 2 20 40 0.5 1 5 3 10 200 2156 4312 6468 22 44 66 22.5 45 67.5 40 41.5 43.1 0 0.01 0.02 300 1400 1800 0.1 1.5 20 0.1 0.5 1.8 0 0 0 600 1800 2700 8/23/02 R.D. Hettinger 5 North America 5037 Southwestern Wyoming 503707 Lewis 50370701 Lewis Conventional Oil and Gas "NRG 2001 (data current through 1999), PI/Dwights 2001, Wyoming Oil and Gas Conservation Commission" Gas 0.5 1 10 Frontier 93.7 9.9 1 1 1 1 1 0 0 0 8 18 31 3 8 90 20 40 60 0.5 0.8 3.1 0.1 0.2 0.4 0 0 0 860 1638 2591 8/20/02 S.B. Roberts 5 North America 5037 Southwestern Wyoming 503708 Lance-Fort Union Composite 50370801 Lance-Fort Union Conventional Oil and Gas "NRG 2001 (data current through 1999), PI/Dwights 2001" Gas 0.5 0 6 Frontier 302 15 1 1 1 1 1 0 0 0 2 30 75 3 7 25 5 10 15 0.1 1.5 20 0.1 0.5 1.8 0 0 0 300 1200 2500