BP 2010 Annual Report Download - page 239

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Supplementaryinformationonoilandnaturalgas(unaudited)
Financial statements
m
Supplementaryinformationonoilandnaturalgas(unaudited)continued
Movements in estimated net proved reserves continued
millionbarrelsofoilequivalent
Total hydrocarbonsa 2010
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2010
 Developed 680 91 3,514 135 596 613 – 455 612 6,696
 Undeveloped 406 253 2,183 79 1,331 704 – 376 593 5,925
 1,086 344 5,697 214 1,927 1,317 – 831 1,205 12,621
Changesattributableto
 Revisionsofpreviousestimates 18 2 (364) (2) (1) (61) – (87) (33) (528)
 Improvedrecovery 126 10 276 – 105 17 – 160 13 707
 Purchasesofreserves-in-place – 38 22 – – – – 41 – 101
 Discoveriesandextensions 36 1 207 2 4 257 – – – 507
 Productionbfl(83) (16) (359) (15) (183) (127) – (83) (61) (927)
 Salesofreserves-in-place (1) – (190) (189) – (24) – – – (404)
 96 35 (408) (204) (75) 62 – 31 (81) (544)
At31December2010ci
 Developed 608 84 3,366 10 660 600 – 491 662 6,481
 Undeveloped 574 295 1,923 – 1,192 779 – 371 462 5,596
 1,182 379 5,289 10 1,852 1,379 – 862 1,124 12,077

Equity-accountedentities(BPshare)g
At1January2010
 Developed – – – – 623 – 2,645 377 – 3,645
 Undeveloped – – – – 580 37 1,287 122 – 2,026
 – – – – 1,203 37 3,932 499 – 5,671
Changesattributableto
 Revisionsofpreviousestimates – – – – (20) 6 314 (19) – 281
 Improvedrecovery – – – – 83 – 269 2 – 354
 Purchasesofreserves-in-place – – – – – – – – – –
 Discoveriesandextensions – – – 179 4 – – – – 183
 Productionbf– – – – (64)k m – (354) (73) – (491)
 Salesofreserves-in-place – – – – – – (4) – – (4)
 – – – 179 3 6 225 (90) – 323
At31December2010d
 Developed – – – – 593 – 2,716 382 – 3,691
 Undeveloped – – – 179 613 43 1,441 27 – 2,303
 – – – 179 1,206j 43 4,157 409 – 5,994

Totalsubsidiariesandequity-accountedentities(BPshare)h
At1January2010
 Developed 680 91 3,514 135 1,219 613 2,645 832 612 10,341
 Undeveloped 406 253 2,183 79 1,911 741 1,287 498 593 7,951
 1,086 344 5,697 214 3,130 1,354 3,932 1,330 1,205 18,292
At31December2010
 Developed 608 84 3,366 10 1,253 600 2,716 873 662 10,172
 Undeveloped 574 295 1,923 179 1,805 822 1,441 398 462 7,899
 1,182 379 5,289 189 3,058 1,422 4,157 1,271 1,124 18,071

aP roved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29thousandbarrelsofoilequivalentaday.
cIncludes643millionbarrelsofNGLs.Alsoincludes526millionbarrelsofoilequivalentinrespectofthe30%minorityinterestinBPTrinidadandTobagoLLC.
dIncludes18millionbarrelsofNGLs.Alsoincludes278millionbarrelsofoilequivalentinrespectoftheminorityinterestinTNK-BP.
eProvedreservesinthePrudhoeBayeldinAlaskaincludeanestimated78millionbarrelsofoilequivalentuponwhichanetprotsroyaltywillbepayable.
fIncludes35millionbarrelsofoilequivalentofnaturalgasconsumedinoperations,28millionbarrelsofoilequivalentinsubsidiaries,7millionbarrelsofoilequivalentinequity-accountedentitiesand
excludes2millionbarrelsofoilequivalentofproducednon-hydrocarboncomponentswhichmeetregulatoryrequirementsforsales.
gV
olumesofequity-accountedentitiesincludevolumesofequity-accountedinvestmentsofthoseentities.
hIncludes1,311millionbarrelsofoilequivalent(197millionbarrelsofoilequivalentforsubsidiariesand1,114millionbarrelsofoilequivalentforequity-accountedentities)associatedwithpropertiescurrently
heldforsalewherethedisposalhasnotyetbeencompleted.
iI
ncludes197millionbarrelsofoilequivalentrelatingtoassetsheldforsaleat31December2010.Amountsbyregionare:34millionbarrelsofoilequivalentinUS;64millionbarrelsofoilequivalentin
SouthAmerica;and99millionbarrelsofoilequivalentinRestofAsia.
jI
ncludes1,114millionbarrelsofoilequivalentrelatingtoassetsheldforsaleat31December2010.
kIncludes6millionbarrelsofoilequivalentsoldrelatingtoproductionsinceclassicationofequity-accountedentitiesasheldforsale.
lIncludes38millionbarrelsofoilequivalent(excludinggasconsumedinoperations)relatingtoproductionfromassetsheldforsaleat31December2010.Amountsbyregionare:6millionbarrelsofoil
equivalentinUS;11millionbarrelsofoilequivalentinSouthAmerica;and21millionbarrelsofoilequivalentinRestofAsia.
 Includes59millionbarrelsofoilequivalent(excludinggasconsumedinoperations)relatingtoproductionfromassetsheldforsaleat31December2010.
BPAnnualReportandForm20-F2010 237