BP 2006 Annual Report Download - page 202

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Supplementary information on oil and natural gas continued
Movements in estimated net proved reserves 2004
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Crude oilamillion barrels
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UK
Rest of
Europe USA
Rest of
Americas
Asia
Pacific Africa Russia Other Total
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Subsidiaries
At 1 January 2004
Developed 697 236 1,902 385 82 190 – 73 3,565
Undeveloped 245 127 1,499 354 81 632 – 711 3,649
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942 363 3,401 739 163 822 – 784 7,214
Changes attributable to
Revisions of previous estimates (133) 1 (44) (92) 2 19 – (192) (439)
Purchases of reserves-in-place –––––––––
Extensions, discoveries and other additions 24 – 74 5 8 48 – 213 372
Improved recovery 57 4 55 31 – 6 – 3 156
Productionb(121) (28) (217) (63) (17) (48) – (21) (515)
Sales of reserves-in-place – – (17) (10) (6) – – – (33)
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(173) (23) (149) (129) (13) 25 – 3 (459)
At 31 December 2004c
Developed 559 231 2,041 311 65 204 – 62 3,473
Undeveloped 210 109 1,211 299 85 643 – 725 3,282
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769 340 3,252e610 150 847 – 787 6,755
Equity-accounted entities (BP share)
At 1 January 2004
Developed – – – 206 1 – 1,384 705 2,296
Undeveloped – – – 134 – – 410 27 571
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– – – 340 1 – 1,794 732 2,867
Changes attributable to
Revisions of previous estimates –––(5)––38215392
Purchases of reserves-in-place ––––––252–252
Extensions, discoveries and other additions –––2––––2
Improved recovery –––17––37–54
Production – – – (25) – – (304) (55) (384)
Sales of reserves-in-place ––––––(4)–(4)
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– – – (11) – – 363 (40) 312
At 31 December 2004d
Developed – – – 204 1 – 1,863 592 2,660
Undeveloped – – – 125 – – 294 100 519
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– – – 329 1 – 2,157 692 3,179
aCrude oil includes natural gas liquids (NGLs) and condensate. Net proved reserves of crude oil exclude production royalties due to others, whether royalty is payable in cash
or in kind.
bExcludes NGLs from processing plants in which an interest is held of 58 thousand barrels a day.
cIncludes 724 million barrels of NGLs. Also includes 40 million barrels of crude oil in respect of the 30% minority interest in BP Trinidad and Tobago LLC.
dIncludes 27 million barrels of NGLs. Also includes 127 million barrels of crude oil in respect of the 5.9% minority interest in TNK-BP.
eProved reserves in the Prudhoe Bay field in Alaska include an estimated 77 million barrels upon which a net profits royalty will be payable over the life of the field under the
terms of the BP Prudhoe Bay Royalty Trust.