Gas Reserve Replacement Ratios

Gas Reserve Replacement Ratios Gas Reserve Replacement Ratios (3 Year Average) (%) Company Rank Value Company Rank Value Woodside 1 1022 Noble Energy 25 130 Sinopec 2 581 Talisman 26 127 Murphy Oil 3 568 Husky Energy 27 126 CNPC 4 457 Ecopetrol 28 122 XTO 5 444 Royal Dutch Shell 29 115 PDV 6 431 Anadarko 30 109 Mitsui 7 352 Nexen 31 94 Chesapeake 8 326 Eni 32 94 Lukoil 9 321 Petrobras 33 91 Occidental 10 252 Total 34 87 Newfield 11 231 Marathon 35 80 Penn West 12 230 Exxon Mobil 36 75 EOG 13 209 Chevron 37 73 Devon Energy 14 203 Suncor 38 69 Williams 15 194 Imperial 39 63 ConocoPhillips 16 161 Pemex 40 62 CNR 17 160 OMV 41 55 Apache 18 158 StatoilHydro 42 52 Novatek 19 156 BP 43 47 Hess 20 149 Pioneer 44 23 EnCana 21 148 Petro-Canada 45 18 CNOOC 22 136 BHP Billiton 46 -9 El Paso 23 136 Repsol YPF 47 -40 BG 24 133 Average: 188 • Total Companies: 47 FYI: Woodside jumped dramatically in this category, from 318% in 2007 to 1,022% in 2008.The average three-year gas reserve replacement ratio for companies in this section decreased to 188% from 209% the previous year.