BP 2010 Annual Report Download - page 242

Supplementaryinformationonoilandnaturalgas(unaudited)
Supplementaryinformationonoilandnaturalgas(unaudited)continued
Movements in estimated net proved reserves continued
millionbarrelsofoilequivalent
Total hydrocarbonsa     2009
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2009
 Developed 724 91 3,279 126 617 645 – 385 382 6,249
 Undeveloped 219 264 2,217 81 1,337 734 – 714 747 6,313
    943 355 5,496 207 1,954 1,379 – 1,099 1,129 12,562
Changesattributableto
 Revisionsofpreviousestimates (13) (2) 260 9 74 (74) – (168) 7 93
 Improvedrecovery 48 7 177 1 63 40 – 45 15 396
 Purchasesofreserves-in-place 28 – – – – – – 6 – 34
 Discoveriesandextensions 210 – 158 17 18 124 – – 98 625
 Productionbf (102) (16) (393) (20) (182) (152) – (86) (44) (995)
 Salesofreserves-in-place (28) – (1) – – – – (65) – (94)
    143 (11) 201 7 (27) (62) – (268) 76 59
At31December2009c
 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

Equity-accountedentities(BPshare)g
At1January2009
 Developed – – – – 658 – 2,495 529 – 3,682
 Undeveloped – – – – 586 42 1,057 218 – 1,903
    – – – – 1,244 42 3,552 747 – 5,585
Changesattributableto
 Revisionsofpreviousestimates – – – – (2) (5) 625 (32) – 586
 Improvedrecovery – – – – 104 – 8 1 – 113
 Purchasesofreserves-in-place – – – – – – – – – –
 Discoveriesandextensions – – – – 4 – 92 – – 96
 Productionbf – – – – (66) – (345) (75) – (486)
 Salesofreserves-in-place – – – – (81) – – (142) – (223)
    – – – – (41) (5) 380 (248) – 86
At31December2009d
 Developed – – – – 623 – 2,645 377 – 3,645
 Undeveloped – – – – 580 37 1,287 122 – 2,026
    – – – – 1,203 37 3,932 499 – 5,671

Totalsubsidiariesandequity-accountedentities(BPshare)
At1January2009
 Developed 724 91 3,279 126 1,275 645 2,495 914 382 9,931
 Undeveloped 219 264 2,217 81 1,923 776 1,057 932 747 8,216
    943 355 5,496 207 3,198 1,421 3,552 1,846 1,129 18,147
At31December2009
 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

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26thousandbarrelsofoilequivalentaday.
cIncludes819millionbarrelsofNGLs.Alsoincludes552millionbarrelsofoilequivalentinrespectofthe30%minorityinterestinBPTrinidadandTobagoLLC.
dIncludes20millionbarrelsofNGLs.Alsoincludes266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68millionbarrelsofoilequivalentuponwhichanetprotsroyaltywillbepayable.
fIncludes34millionbarrelsofoilequivalentofnaturalgasconsumedinoperations,29millionbarrelsofoilequivalentinsubsidiaries,5millionbarrelsofoilequivalentinequity-accountedentitiesandexcludes
3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.
240BPAnnualReportandForm20-F2010