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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).
It is well known as the host rock for major deposits of shale oil and shale gas. The large oil discovery in the Vaca Muerta Formation was made in 2010 by the former Repsol-YPF. [1] The total proven reserves are around 927 million barrels (147.4 × 10 ^ 6 m 3), [2] and as of 2014 YPF's production alone was nearly 45,000 barrels per day (7,200 m ...
The United States has the largest known deposits of oil shale in the world, according to the Bureau of Land Management and holds an estimated 2.175 trillion barrels (345.8 km 3) of potentially recoverable oil. [21] Oil shale does not actually contain oil, but a waxy oil precursor known as kerogen. There is significant commercial production of ...
Oil shale is an organic-rich fine-grained sedimentary rock containing kerogen (a solid mixture of organic chemical compounds) from which liquid hydrocarbons can be produced. In addition to kerogen, general composition of oil shales constitutes inorganic substance and bitumens. Based on their deposition environment, oil shales are classified as ...
The oil shale industry is an industry of mining and processing of oil shale—a fine-grained sedimentary rock, containing significant amounts of kerogen (a solid mixture of organic chemical compounds), from which liquid hydrocarbons can be manufactured.
"Current proven reserves stand at about 105 billion barrels of oil and 229 trillion cubic feet of natural gas or about triple the total production over the past century.
(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 ...
(Reuters) -Shares of shale oil and gas producer Coterra Energy fell as much as 8% on Friday after the company cut its estimate of proven oil reserves, a key measure of future production growth.