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  2. Bazhenov Formation - Wikipedia

    en.wikipedia.org/wiki/Bazhenov_Formation

    The Bazhenov Formation or Bazhenov Shale is a geological stratum in the West Siberian basin. It was formed from sediment deposited in a deep-water sea in Tithonian –early Berriasian time. The sea covered more than one million square kilometers in the central basin area.

  3. Oil shale geology - Wikipedia

    en.wikipedia.org/wiki/Oil_shale_geology

    Oil shale geology is a branch of geologic sciences which studies the formation and composition of oil shales–fine-grained sedimentary rocks containing significant amounts of kerogen, and belonging to the group of sapropel fuels. [1] Oil shale formation takes place in a number of depositional settings and has considerable compositional variation.

  4. Kukersite - Wikipedia

    en.wikipedia.org/wiki/Kukersite

    Fossils (various bryozoans) in Ordovician period kukersite oil shale, northern Estonia. Estonian kukersite deposits are one of the world's highest-grade deposits with organic content varying from 15% to 55% with average more than 40%, and it has 65–67% conversion ratio into shale oil and oil shale gas. [1] [11] Fischer Assay oil yield is 30 ...

  5. Flysch - Wikipedia

    en.wikipedia.org/wiki/Flysch

    As the basin fills up, shallow-water sandstones and continental deposits form. [3] [4] Most of the resulting rocks have little deformation, but near the edge of the mountain chain they can be subject to folding and thrusting. [3] After the basin fills up, continental sediments are deposited on top of the flysch. [4]

  6. Vaca Muerta - Wikipedia

    en.wikipedia.org/wiki/Vaca_Muerta

    The Vaca Muerta Shale is a continuous tight oil and shale gas reservoir of Late Jurassic and Early Cretaceous age. The formation covers a total area of 30,000 square kilometres (12,000 sq mi). [10] The shale is at a depth of about 9,500 feet (2,900 m), where it has been found productive of oil and gas.

  7. Maquoketa Group - Wikipedia

    en.wikipedia.org/wiki/Maquoketa_Group

    The Scales is buried too deep and contains too much dolomite to be used for oil shale. The unit has been identified as a massive hydrocarbon reservoir. Recently legislation was passed in Illinois allowing horizontal drilling in the shale. [citation needed] The Maquoketa group is also a major aquitard. This means that it is very impermeable, and ...

  8. Montney Formation - Wikipedia

    en.wikipedia.org/wiki/Montney_Formation

    Montney Formation. The Montney Formation is a stratigraphical unit of Lower Triassic age in the Western Canadian Sedimentary Basin in British Columbia and Alberta.. It takes the name from the hamlet of Montney and was first described in Texaco's Buick Creek No. 7 well by J.H. Armitage in 1962. [3]

  9. Marcellus Formation - Wikipedia

    en.wikipedia.org/wiki/Marcellus_Formation

    The Marcellus Formation or the Marcellus Shale is a Middle Devonian age unit of sedimentary rock found in eastern North America.Named for a distinctive outcrop near the village of Marcellus, New York, in the United States, [3] it extends throughout much of the Appalachian Basin.

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