Reserves Table 2 - McKelvey Classification Estimates by Basin as at 1 January 2010

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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 10 1 6 7 0
Bonaparte 15 95 55 345 36 225 269 9
Bowen 1 5 0 2 0 2 11 0
Browse 0 0 111 698 0 0 478 17
Canning 0 0 0 0 0 0 0 0
Carnarvon 106 669 145 910 96 606 1,953 69
Cooper 3 17 2 15 5 28 20 1
Eromanga 6 39 0 0 0 0 0 0
Gippsland 35 220 23 146 28 175 204 7
Gunnedah 0 0 0 0 0 0 0 0
Otway 0 0 2 12 0 0 33 1
Perth 2 11 0 0 0 0 0 0
Surat 0 1 0 0 0 0 1 0
Total 170 1,067 340 2,141 166 1,042 2,984 105
Previous 188 1,181 343 2,156 177 1,113 3,158 112
                 
Subeconomic
Demonstrated
Resources		 Amadeus 0 0 0 0 0 0 0 0
Bass 1 6 6 36 8 52 13 0
Bonaparte 15 91 9 60 0 0 359 13
Bowen 0 0 0 0 0 0 0 0
Browse 2 14 62 388 52 324 462 16
Canning 0 0 0 0 0 0 0 0
Carnarvon 18 113 13 83 0 0 587 21
Clarence/Moreton 0 0 0 0 0 0 2 0
Cooper 0 2 0 2 0 3 5 0
Eromanga 0 3 0 0 0 0 0 0
Gippsland 9 56 3 21 0 0 39 1
Otway 0 0 0 2 0 0 15 1
Perth 0 0 0 0 0 0 23 1
Surat 0 0 0 0 0 0 0 0
Total 45 286 94 592 60 379 1,506 53
Previous 45 284 98 614 60 379 1,505 53
                 
Economic and
subeconomic
Demonstrated
Resources		 Grand Total 215 1,353 434 2,733 226 1,422 4,490 159
Previous Total 233 1,466 440 2,770 237 1,492 4,663 165

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.