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  • April 5, 2011 (16.8 mb)
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    World Shale Resource Assessments

    Last updated: September 24, 2015


    This series of reports provides an initial assessment of world shale oil and shale gas resources. The first edition was released in 2011 and updates are released on an on-going basis. Four countries were added in 2014: Chad, Kazakhstan, Oman and the United Arab Emirates (UAE) and are available as supplemental chapters to the 2013 report Technically Recoverable Shale Oil and Shale Gas Resources.

    The most current version of each country chapter is linked in the table of countries below. Archived editions are provided in links in the sidebar column to the right.

    Countries assessed by date
        Unproved technically recoverable  
    Region Country wet shale gas
    (trillion cubic feet)
    tight oil
    (billion barrels)
    Date
    updated
    North America
      Canada 572.9 8.8 5/17/13
      Mexico 545.2 13.1 5/17/13
      U.S.1 622.5 78.2 4/14/15
    Australia
      Australia2 429.3 15.6 5/17/13
    South America
      Argentina 801.5 27.0 5/17/13
      Bolivia 36.4 0.6 5/17/13
      Brazil 244.9 5.3 5/17/13
      Chile 48.5 2.3 5/17/13
      Colombia 54.7 6.8 5/17/13
      Paraguay 75.3 3.7 5/17/13
      Uruguay3 4.6 0.6 5/17/13
      Venezuela 167.3 13.4 5/17/13
    Eastern Europe
      Bulgaria 16.6 0.2 5/17/13
      Lithuania/Kaliningrad 2.4 1.4 5/17/13
      Poland 145.8 1.8 5/17/13
      Romania 50.7 0.3 5/17/13
      Russia 284.5 74.6 5/17/13
      Turkiye 23.6 4.7 5/17/13
      Ukraine 127.9 1.1 5/17/13
    Western Europe
      Denmark 31.7 0.0 5/17/13
      France 136.7 4.7 5/17/13
      Germany 17.0 0.7 5/17/13
      Netherlands 25.9 2.9 5/17/13
      Norway 0.0 0.0 5/17/13
      Spain 8.4 0.1 5/17/13
      Sweden 9.8 0.0 5/17/13
      United Kingdom 25.8 0.7 5/17/13
    North Africa
      Algeria 706.9 5.7 5/17/13
      Egypt 100.0 4.6 5/17/13
      Libya 121.6 26.1 5/17/13
      Mauritania 0.0 0.0 5/17/13
      Morocco 11.9 0.0 5/17/13
      Tunisia 22.7 1.5 5/17/13
      West Sahara 8.6 0.2 5/17/13
    Sub-Saharan Africa
      Chad 44.4 16.2 12/29/14
      South Africa 389.7 0.0 5/17/13
    Asia
      China 1115.2 32.2 5/17/13
      India 96.4 3.8 5/17/13
      Indonesia 46.4 7.9 5/17/13
      Mongolia 4.4 3.4 5/17/13
      Pakistan 105.2 9.1 5/17/13
      Thailand 5.4 0.0 5/17/13
    Caspian
      Kazakhstan 27.5 10.6 12/29/14
    Middle East
      Jordan 6.8 0.1 5/17/13
      Oman 48.3 6.2 12/29/14
      United Arab Emirates 205.3 22.6 12/29/14
    46 Countries' total 7,576.6 418.9  

    bbl = barrels; Tcf = trillion cubic feet.
    11Includes data from U.S. Geological Survey, Assessment of Potential Oil and Gas Resources in Source Rocks of the Alaska North Slope, Fact Sheet 2012-3013, February 2012.
    U.S. Energy Information Administration, Annual Energy Outlook 2015 Assumptions Report. Table 9.3 used for tight oil and Table 9.2 dry unproved natural gas (shale gas) resource estimate was multiplied by 1.045 so as to include natural gas plant liquids for an unproved wet natural gas volume.
    2,3Corrected data inaccuracy in EIA/ARI 2013 world shale report. See Attachment A.