BP 2010 Annual Report Download - page 243

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Supplementaryinformationonoilandnaturalgas(unaudited)
Financial statements
Supplementaryinformationonoilandnaturalgas(unaudited)continued
Movements in estimated net proved reserves continued
millionbarrels
Crude oila     2008
Europe North South Africa Asia Australasia  Total
  America America    
    Restof     
  Restof  North    Restof 
 UK Europe USe America   Russia Asia 
Subsidiaries
At1January2008
 Developed 414 105 1,882 13 102 256 – 121 44 2,937
 Undeveloped 123 169 1,265 1 202 350 – 372 73 2,555
    537 274 3,147 14 304 606 – 493 117 5,492
Changesattributableto
 Revisionsofpreviousestimates 16 (11) (212) 1 7 264 – 194 5 264
 Improvedrecovery 39 28 182 – 8 18 – 43 3 321
 Purchasesofreserves-in-place – – – – – – – – – –
 Discoveriesandextensions – – 64 – 5 173 – – – 242
 Productionb (63) (16) (191) (3) (23) (101) – (47) (11) (455)
 Salesofreserves-in-place – – – – (199) – – – – (199)
    (8) 1 (157) (2) (202) 354 – 190 (3) 173
At31December2008c
 Developed 410 81 1,717 11 47 464 – 195 56 2,981
 Undeveloped 119 194 1,273 1 55 496 – 488 58 2,684
    529 275 2,990 12 102 960 – 683 114 5,665

Equity-accountedentities(BPshare)f
At1January2008
 Developed – – – – 328 – 2,094 574 – 2,996
 Undeveloped – – – – 243 – 1,137 205 – 1,585
    – – – – 571 – 3,231 779 – 4,581
Changesattributableto
 Revisionsofpreviousestimates – – – – (3) 11 217 (1) – 224
 Improvedrecovery – – – – 62 – – – – 62
 Purchasesofreserves-in-place – – – – 199 – – – – 199
 Discoveriesandextensions – – – – 13 – 26 – – 39
 Production – – – – (34) – (302) (80) – (416)
 Salesofreserves-in-place – – – – – – (1) – – (1)
    – – – – 237 11 (60) (81) – 107
At31December2008d
 Developed – – – – 399 – 2,227 499 – 3,125
 Undeveloped – – – – 409 11 944 199 – 1,563
    – – – – 808 11 3,171 698 – 4,688

Totalsubsidiariesandequity-accountedentities(BPshare)
At1January2008
 Developed 414 105 1,882 13 430 256 2,094 695 44 5,933
 Undeveloped 123 169 1,265 1 445 350 1,137 577 73 4,140
    537 274 3,147 14 875 606 3,231 1,272 117 10,073
At31December2008
 Developed 410 81 1,717 11 446 464 2,227 694 56 6,106
 Undeveloped 119 194 1,273 1 464 507 944 687 58 4,247
    529 275 2,990 12 910 971 3,171 1,381 114 10,353

a
C rudeoilincludesNGLsandcondensate.Provedreservesexcluderoyaltiesduetoothers,whetherpayableincashorinkind,wheretheroyaltyownerhasadirectinterestintheunderlyingproductionandthe
optionandabilitytomakeliftingandsalesarrangementsindependently.
b
Ex
cludesNGLsfromprocessingplantsinwhichaninterestisheldof19thousandbarrelsaday.
c
Includes807millionbarrelsofNGLs.Alsoincludes21millionbarrelsofcrudeoilinrespectofthe30%minorityinterestinBPTrinidadandTobagoLLC.
d
Includes36millionbarrelsofNGLs.Alsoincludes216millionbarrelsofcrudeoilinrespectofthe6.80%minorityinterestinTNK-BP.
e
ProvedreservesinthePrudhoeBayeldinAlaskaincludeanestimated54millionbarrelsuponwhichanetprotsroyaltywillbepayableoverthelifeoftheeldunderthetermsoftheBPPrudhoeBay
RoyaltyTrust.
f
V
olumesofequity-accountedentitiesincludevolumesofequity-accountedinvestmentsofthoseentities.
BPAnnualReportandForm20-F2010 241