BP 2015 Annual Report Download - page 194

Movements in estimated net proved reserves – continued
million barrels of oil equivalentc
Total hydrocarbonsab 2013
Europe North
America
South
America
Africa Asia Australasia Total
UK
Rest of
Europe USd
Rest of
North
America Russia
Rest of
Asia
Subsidiaries
At 1 January
Developed 421 229 2,865 1 640 508 – 427 618 5,709
Undeveloped 546 103 1,504 195 1,110 587 – 209 445 4,699
967 332 4,369 196 1,750 1,095 – 636 1,063 10,408
Changes attributable to
Revisions of previous estimates (89) (27) (342) (5) 41 3 – 435 (36) (20)
Improved recovery 20 – 161 – 25 7 – 81 – 294
Purchases of reserves-in-place 2 – – – –––– – 2
Discoveries and extensions – – 10 – – 9 – 363 91 473
Productionef (34) (18) (241) (1) (152) (121) – (86) (59) (712)
Sales of reserves-in-place (152) – (38) – – – – (12) – (202)
(253) (45) (450) (6) (86) (102) – 781 (4) (165)
At 31 Decemberg
Developed 280 225 2,525 2 564 486 – 582 735 5,399
Undeveloped 434 62 1,394 188 1,100 507 – 835 324 4,844
714 287 3,919 190 1,664 993 – 1,417 1,059 10,243
Equity-accounted entities (BP share)h
At 1 January
Developed – – – – 559 43 2,943 220 – 3,765
Undeveloped – – – – 508 39 2,265 15 – 2,827
– – – – 1,067 82 5,208 235 – 6,592
Changes attributable to
Revisions of previous estimates – – – 1 (20) 2 502 1 – 486
Improved recovery – – – – 38 – – 1 – 39
Purchases of reserves-in-place – – – – 36 – 6,108 6 – 6,150
Discoveries and extensions – – – – 20 – 272 – – 292
Productionf– – – – (55) (1) (353) (88) – (497)
Sales of reserves-in-place – – – – (92) – (5,204) (13) – (5,309)
– – – 1 (73) 1 1,325 (93) – 1,161
At 31 Decemberij
Developed – – – – 552 50 3,782 133 – 4,517
Undeveloped – – – 1 442 33 2,751 9 – 3,236
– – – 1 994 83 6,533 142 – 7,753
Total subsidiaries and equity-accounted entities (BP share)
At 1 January
Developed 421 229 2,865 1 1,199 551 2,943 647 618 9,474
Undeveloped 546 103 1,504 195 1,618 626 2,265 224 445 7,526
967 332 4,369 196 2,817 1,177 5,208 871 1,063 17,000
At 31 December
Developed 280 225 2,525 2 1,116 536 3,782 715 735 9,916
Undeveloped 434 62 1,394 189 1,542 540 2,751 844 324 8,080
714 287 3,919 191 2,658 1,076 6,533 1,559 1,059 17,996
aProved 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.
bBecause of rounding, some totals may not exactly agree with the sum of their component parts.
c5.8 billion cubic feet of natural gas = 1 million barrels of oil equivalent.
dProved reserves in the Prudhoe Bay field in Alaska include an estimated 72 million barrels of oil equivalent 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.
eExcludes NGLs from processing plants in which an interest is held of 5,500 barrels of oil equivalent per day.
fIncludes 31 million barrels of oil equivalent of natural gas consumed in operations, 26 million barrels of oil equivalent in subsidiaries, 5 million barrels of oil equivalent in equity-accounted entities.
gIncludes 484 million barrels of oil equivalent in respect of the 30% non-controlling interest in BP Trinidad and Tobago LLC.
hVolumes of equity-accounted entities include volumes of equity-accounted investments of those entities.
iIncludes 30 million barrels of oil equivalent in respect of the non-controlling interest in Rosneft.
jTotal proved reserves held as part of our equity interest in Rosneft is 6,574 million barrels of oil equivalent, comprising 1 million barrels of oil equivalent in Canada, 34 million barrels of oil equivalent in
Venezuela, 5 million barrels of oil equivalent in Vietnam and 6,533 million barrels of oil equivalent in Russia.
190 BP Annual Report and Form 20-F 2015