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Oil shale formation takes place in a number of depositional settings and has considerable compositional variation. Oil shales can be classified by their composition (carbonate minerals such as calcite or detrital minerals such as quartz and clays) or by their depositional environment (large lakes, shallow marine, and lagoon/small lake settings).
(The data below does not seem to include shale oil and other unconventional sources of oil such as tar sands. For instance, North America has over 3 trillion barrels of shale oil reserves, [ citation needed ] and the majority of oil produced in the US is from shale, leading to the paradoxical data below that the US will finish all its oil at ...
Countries by tight oil reserves. 1 language. ... Country/Region Shale Oil proven reserves billion barrels; Total
Shale gas discoveries are potentially changing the game. Shell has signed on to explore an area that government estimates indicate could have 113 Bcm (4 Tcf) in reserves. The country's gas reserves have geologic similarities to its neighbor Poland, and the Lublin basin could be 10 to 15 times the size of the Barnett shale.
This is a list of countries by recoverable shale gas based on data collected by the Energy Information Administration agency of the United States Department of Energy. [1] Numbers for the estimated amount of recoverable shale gas resources are provided alongside numbers for proven natural gas reserves .
This list of oil fields includes some major oil fields of the past and present. Countries by proven oil reserves 2017. The list is incomplete; there are more than 25,000 oil and gas fields of all sizes in the world. [1] However, 94 % of known oil is concentrated in fewer than 1,500 giant and major fields. [2]
It's estimated that 30% of the country's undiscovered oil and gas reserves lie within federal lands that. As the crisis in Syria reaches the boiling point, sending oil higher, it's time to rethink ...
A map of world oil production (2013) Oil-producing countries (information from 2006 to 2012) This article includes a chart representing proven reserves, production, consumption, exports and imports of oil by country .