Reserves Table 2 - McKelvey Classification Estimates by Basin as at 1 January 2011

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Category Basin Crude Oil Condensate LPG Sales gas
GL million
barrels		 GL million
barrels		 GL million
barrels		 Bcm Tcf
Economic
Demonstrated
Resources		 Adavale 0 0 0 0 0 0 1 0
Amadeus 1 9 0 2 0 0 8 0
Bass 0 1 2 11 1 6 7 0
Bonaparte 14 88 52 330 34 214 261 9
Bowen 1 5 0 2 0 2 13 0
Browse 0 0 111 696 0 0 462 16
Canning 0 0 0 0 0 0 0 0
Carnarvon 94 590 144 903 89 561 1924 68
Cooper 2 14 3 22 5 32 27 1
Eromanga 6 41 0 0 0 0 0 0
Gippsland 34 211 21 133 24 149 180 6
Gunnedah 0 0 0 0 0 0 0 0
Otway 0 0 2 11 0 0 34 1
Perth 1 7 0 0 0 0 0 0
Surat 0 1 0 0 0 0 0 0
Total 154 966 335 2110 153 964 2918 103
Previous 172 1080 339 2134 163 1025 2974 105
                 
Subeconomic
Demonstrated
Resources		 Amadeus 0 0 0 0 0 0 0 0
Bass 1 6 6 36 8 52 13 0
Bonaparte 16 100 13 83 0 0 307 11
Bowen 0 0 0 0 0 0 0 0
Browse 0 2 62 389 52 324 449 16
Canning 0 0 0 0 0 0 0 0
Carnarvon 20 126 15 92 0 0 689 24
Clarence/Moreton 0 0 0 0 0 0 2 0
Cooper 1 4 0 0 0 1 3 0
Eromanga 0 3 0 0 0 0 0 0
Gippsland 9 57 3 21 0 0 60 2
Otway 0 0 0 2 0 0 6 0
Perth 0 0 0 0 0 0 6 0
Surat 0 0 0 0 0 0 0 0
Warburton 0 0 0 0 0 0 0 0
Total 47 298 99 622 60 377 1535 54
Previous 45 285 94 591 60 378 1507 53
                   
Economic and
subeconomic
Demonstrated
Resources		 Grand Total 201 1264 434 2733 213 1342 4453 157
Previous Total 217 1366 433 2724 223 1403 4481 158

Notes

Economic Demonstrated Resources are resources judged to be economically extractable and for which the quantity and quality are computed partly from specific measurements, and partly from extrapolation for a reasonable distance on geological evidence.

Subeconomic Demonstrated Resources are similar to Economic Demonstrated Resources in terms of certainty of occurrence and, although considered to be potentially economic in the foreseeable future, these resources are judged to be subeconomic at present.

For traditional petroleum industry classification see Reserves Table 1.

'Previous' totals refer to revised estimates of resources for the previous year.