BP 2010 Annual Report Download - page 237


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
billioncubicfeet
Natural gasa 2010
Europe North South Africa Asia Australasia Total
America America
Rest of
Rest of North Rest of
UK Europe US America Russia Asia
Subsidiaries
At1January2010
 Developed 1,602 49 9,583 716 3,177 1,107 – 1,579 3,219 21,032
 Undeveloped 670 397 5,633 453 7,393 1,454 – 249 3,107 19,356
 2,272 446 15,216 1,169 10,570 2,561 – 1,828 6,326 40,388
Changesattributableto
 Revisionsofpreviousestimates (8) (5) (1,854) (11) 2 3 – (142) (191) (2,206)
 Improvedrecovery 152 6 830 – 512 18 – 83 58 1,659
 Purchasesofreserves-in-place – 31 97 1 – – – 17 – 146
 Discoveriesandextensions 26 – 739 9 19 1,378 – – – 2,171
 Productionbi(191) (8) (861) (77) (953) (229) – (228) (288) (2,835)
 Salesofreserves-in-place (6) – (424) (1,033) – (51) – – – (1,514)
 (27) 24 (1,473) (1,111) (420) 1,119 – (270) (421) (2,579)
At31December2010cf
 Developed 1,416 40 9,495 58 3,575 1,329 – 1,290 3,563 20,766
 Undeveloped 829 430 4,248 – 6,575 2,351 – 268 2,342 17,043
 2,245 470 13,743 58 10,150 3,680 – 1,558 5,905 37,809

Equity-accountedentities(BPshare)e
At1January2010
 Developed – – – –1,252 – 1,703 80 – 3,035
 Undeveloped – – – –1,010 165 519 13 – 1,707
 – – – – 2,262 165 2,222 93 – 4,742
Changesattributableto
 Revisionsofpreviousestimates – – – – (141) 10 382 2 – 253
 Improvedrecovery – – – – 291 – – 12 – 303
 Purchasesofreserves-in-place – – – – – – – – – –
 Discoveriesandextensions – – – – 23 – – – – 23
 Productionb– – – – (168)h j – (244) (17) – (429)
 Salesofreserves-in-place – – – – – – (1) – – (1)
 – – – – 5 10 137 (3) – 149
At31December2010d
 Developed – – – – 1,075 – 1,900 71 – 3,046
 Undeveloped – – – – 1,192 175 459 19 – 1,845
 – – – – 2,267g 175 2,359 90 – 4,891

Totalsubsidiariesandequity-accountedentities(BPshare)
At1January2010
 Developed 1,602 49 9,583 716 4,429 1,107 1,703 1,659 3,219 24,067
 Undeveloped 670 397 5,633 453 8,403 1,619 519 262 3,107 21,063
 2,272 446 15,216 1,169 12,832 2,726 2,222 1,921 6,326 45,130
At31December2010
 Developed 1,416 40 9,495 58 4,650 1,329 1,900 1,361 3,563 23,812
 Undeveloped 829 430 4,248 – 7,767 2,526 459 287 2,342 18,888
 2,245 470 13,743 58 12,417 3,855 2,359 1,648 5,905 42,700

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
Includes
204billioncubicfeetofnaturalgasconsumedinoperations,166billioncubicfeetinsubsidiaries,38billioncubicfeetinequity-accountedentitiesandexcludes14billioncubicfeetofproduced
non-hydrocarboncomponentswhichmeetregulatoryrequirementsforsales.
c

Includes2,921billioncubicfeetofnaturalgasinrespectofthe30%minorityinterestinBPTrinidadandTobagoLLC.
d
Includes137billioncubicfeetofnaturalgasinrespectofthe5.89%minorityinterestinTNK-BP.
eVolumesofequity-accountedentitiesincludevolumesofequity-accountedinvestmentsofthoseentities.
fIncludes740billioncubicfeetrelatingtoassetsheldforsaleat31December2010.Amountsbyregionare:158billioncubicfeetinUS;205billioncubicfeetinSouthAmerica;and377billioncubicfeetin
RestofAsia.
gIncludes
1,819billioncubicfeetrelatingtoassetsheldforsaleat31December2010.
hIncludes12billioncubicfeetofgassalesrelatingtoproductionsinceclassicationofequity-accountedentitiesasheldforsale.
iIncludes133billioncubicfeetofgas(excludinggasconsumedinoperations)relatingtoproductionfromassetsheldforsaleat31December2010.Amountsbyregionare:23billioncubicfeetinUS;
27billioncubicfeetinSouthAmerica;and83billioncubicfeetinRestofAsia.
jIncludes
141billioncubicfeetofgas(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 235