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Posted: March 3, 2009
Next Update: When updated proved reserve
estimates become available.
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| Notes and Sources
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1 Proved reserves are estimated quantities that analysis of geologic and engineering data demonstrates with
reasonable certainty are recoverable under existing economic and operating conditions.
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2 BP p.l.c., BP Statistical Review of World Energy June 2008, except United States. Oil includes crude
oil, gas condensate, and natural gas liquids. United States oil data, including both crude oil and natural gas liquids,
and United States natural gas data are from the Energy Information Administration, U.S. Crude Oil, Natural Gas, and
Natural Gas Liquids Reserves, 2007 Annual Report, DOE/EIA-0216(2007) (February 2009). BP notes that for oil its
"Canadian proved reserves include an official estimate of 21.0 billion barrels for oil sands 'under active development'."
BP does not include but separately reports an additional 152.2 billion barrels of Canadian oil sands defined as "'remaining
establised reserves', less reserves 'under active development'." BP says of its data sources for oil reserves that "the
estimates in this table have been compiled using a combination of primary official sources, third-party data from the OPEC
Secretariat, World Oil, Oil & Gas Journal and an independent estimate of Russian reserves based on
information in the public domain." Likewise for natural gas reserves, BP states that "the estimates in this table have
been compiled using a combination of primary official sources and third-party data from Cedigaz."
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3 PennWell Corporation, Oil & Gas Journal, Vol. 106.48 (December 22, 2008), except United States.
Oil includes crude oil and condensate. Data for the United States are from the Energy Information Administration,
U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, 2007 Annual Report, DOE/EIA-0216(2007)
(February 2009). Oil & Gas Journal's oil reserve estimate for Canada includes 5.392 billion barrels of
conventional crude oil and condensate reserves and 172.7 billion barrels of oil sands reserves.
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4 Gulf Publishing Co., World Oil, Vol. 229, No.9 (September 2008), except United States. Oil includes
crude oil and condensate but excludes natural gas liquids. Data for the United States are from the Energy Information
Administration, U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, 2007 Annual Report,
DOE/EIA-0216(2007) (February 2009). World Oil states the following about its Canadian oil reserves estimate:
"2007 conventional crude reserves are 4.9 Bbbl [billion barrels]. Alberta's estimates of established oil
sands reserves of 174 Bbbl are not proved; that would require at least 350 Tcf [trillion cubic feet] of gas delivered to
northern Alberta, and/or implementation of future technologies. Oil sands reserve estimate is based on 50 years times current production
capacity."
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5 Centre International d'Information sur le Gaz Naturel et tous Hydrocarbures Gazeux (CEDIGAZ), Natural Gas
in the World, End of July 2008 (Electronic Database), except United States. Data converted from cubic meters to cubic
feet at 35.315 cubic feet per cubic meter. United States data are from the Energy Information Administration,
U.S. Crude Oil, Natural Gas, and Natural Gas Liquids Reserves, 2007 Annual Report, DOE/EIA-0216(2007)
(February 2009).
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6 Reserve estimates for Kuwait and Saudi Arabia include one-half of the reserves in the Neutral Zone, if
separately reported.
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Sum of components may not equal total due to independent rounding. |
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- - = Not applicable. |
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Country and Region Definitions |
International Glossary of Terms |
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Contacts:
Crude Oil:
Patricia Smith
phone: (202) 586-6925
fax: (202) 586-9753
Natural Gas:
Karen Griffin
phone: (202) 586-1357
fax: (202) 586-9753
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