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The Marcellus natural gas trend is a large geographic area of prolific shale gas extraction from the Marcellus Shale or Marcellus Formation, of Devonian age, in the eastern United States. [2] The shale play encompasses 104,000 square miles and stretches across Pennsylvania and West Virginia, and into eastern Ohio and western New York. [3]
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[11] [2] Typically raw oil shale particles between 12 millimetres (0.5 in) and 75 millimetres (3.0 in) in size are fed into the top of the retort and are heated by the rising hot gases, which pass through the descending oil shale, thereby causing decomposition of the kerogen at about 500 °C (932 °F) . Shale oil mist, evolved gases and cooled ...
[8] In 2023, the CDC published that 470 workers had died from 2014 to 2019. [9] When oil and gas are burned they release carbon dioxide into the air. Fossil fuels, such as oil, are responsible for 89% of the CO2 emissions. [10] Carbon emissions cause climate change which negatively impacts people's safety by raising sea levels and worsening ...
The oil shale descends the retort as a moving bed. [1] [14] The oil shale is heated by the rising combustion gases from the lower part of the retort and the kerogen in the shale decomposes at about 500 °C (932 °F) to oil vapour, shale oil gas and spent shale. Heat for pyrolysis comes from the combustion of char in the spent shale.
[2] In June 2006, the company sold a leasehold interest in 169,000 net acres with proved reserves of 617 billion cubic feet of natural gas equivalent to Devon Energy for $2.2 billion in cash. It also sold midstream assets to Crosstex Energy for $480 million in cash. [3] [4] Chief began drilling in the Marcellus Formation in 2007.
Oil-shale deposits in Morocco. Morocco's total oil shale resources are estimated to contain 53.381 billion barrels (8.4869 × 10 ^ 9 m 3) of shale oil. [1] According to the United States Department of Energy, the oil shale deposits in Morocco constitute about 3.5% of the world's known oil shale resources. [2]