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  2. List of countries by proven oil reserves - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Because proven reserves include oil recoverable under current economic conditions, nations may see large increases in proven reserves when known, but previously uneconomic deposits become economic to develop. In this way, Canada's proven reserves increased suddenly in 2003 when the oil sands of Alberta were seen to

  3. Proven reserves - Wikipedia

    en.wikipedia.org/wiki/Proven_reserves

    Proven reserves (also called measured reserves, 1P, and reserves) is a measure of fossil fuel energy reserves, such as oil and gas reserves and coal reserves. It is defined as the "quantity of energy sources estimated with reasonable certainty, from the analysis of geologic and engineering data, to be recoverable from well established or known ...

  4. Category:Oil reserves by country - Wikipedia

    en.wikipedia.org/wiki/Category:Oil_reserves_by...

    Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Help ... List of countries by proven oil reserves; C. Oil reserves in Canada;

  5. Oil and gas reserves and resource quantification - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_reserves_and...

    Reserves defined as Probable and Possible are incremental (or additional) discovered volumes based on geological and/or engineering criteria similar to those used in estimating Proven reserves. Though not classified as contingent, some technical, contractual, or regulatory uncertainties preclude such reserves being classified as Proven.

  6. List of countries by natural gas proven reserves - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    There is some disagreement on which country has the largest proven gas reserves. Sources that consider Russia in possession of the world's largest proven reserves include the US CIA (47,600 cubic kilometers), [ 2 ] the US Energy Information Administration (EIA) (49,000 km 3 ), [ 3 ] and OPEC (48,810 km 3 ). [ 4 ]

  7. List of countries by natural gas production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Countries by natural gas proven reserves (2014), based on data from The World Factbook Natural gas production by region. This is a list of countries by natural gas production based on statistics from The U.S Energy Information Administration (EIA).

  8. List of countries by coal reserves - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_coal...

    The reserve list specifies different types of coal and includes countries with at least 0.1% share of the estimated world's proven reserves of coal. All data are taken from the German Federal Institute for Geosciences and Natural Resources (BGR) via BP; all numbers are in million tonnes. [1]

  9. Countries by tight oil reserves - Wikipedia

    en.wikipedia.org/.../Countries_by_tight_oil_reserves

    Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. This article needs to be ... proven reserves billion barrels; Total