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  2. Abiogenic petroleum origin - Wikipedia

    en.wikipedia.org/wiki/Abiogenic_petroleum_origin

    The abiogenic petroleum origin hypothesis proposes that most of earth's petroleum and natural gas deposits were formed inorganically, commonly known as abiotic oil. [1] Scientific evidence overwhelmingly supports a biogenic origin for most of the world's petroleum deposits. [2][3] Mainstream theories about the formation of hydrocarbons on earth ...

  3. Petroleum geology - Wikipedia

    en.wikipedia.org/wiki/Petroleum_geology

    Petroleum geology is principally concerned with the evaluation of seven key elements in sedimentary basins: A structural trap, where a fault has juxtaposed a porous and permeable reservoir against an impermeable seal. Oil (shown in red) accumulates against the seal, to the depth of the base of the seal. Any further oil migrating in from the ...

  4. Nikolai Kudryavtsev - Wikipedia

    en.wikipedia.org/wiki/Nikolai_Kudryavtsev

    Nikolai Alexandrovich Kudryavtsev (Russian: Николай Александрович Кудрявцев; Opochka, October 21, 1893 – Leningrad, December 12, 1971) was a Soviet Russian petroleum geologist. He is the founding father of modern abiogenic theory for origin of petroleum, which states that some petroleum is formed from non ...

  5. Water quality - Wikipedia

    en.wikipedia.org/wiki/Water_quality

    Water quality refers to the chemical, physical, and biological characteristics of water based on the standards of its usage. [ 1 ][ 2 ] It is most frequently used by reference to a set of standards against which compliance, generally achieved through treatment of the water, can be assessed.

  6. Petroleum - Wikipedia

    en.wikipedia.org/wiki/Petroleum

    An oil refinery in Ahmadi Governorate in Kuwait. Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrogencarbons, [1] and is found in geological formations. The name petroleum covers both naturally occurring unprocessed crude oil and petroleum products that consist of ...

  7. Peak oil - Wikipedia

    en.wikipedia.org/wiki/Peak_oil

    Peak oil is the theorized point in time when the maximum rate of global oil production will occur, after which oil production will begin an irreversible decline. [2][3][4] The primary concern of peak oil is that global transportation heavily relies upon the use of gasoline and diesel fuel.

  8. Origin of water on Earth - Wikipedia

    en.wikipedia.org/wiki/Origin_of_water_on_Earth

    The origin of water on Earth is the subject of a body of research in the fields of planetary science, astronomy, and astrobiology. Earth is unique among the rocky planets in the Solar System in having oceans of liquid water on its surface. [ 2 ] Liquid water, which is necessary for all known forms of life, continues to exist on the surface of ...

  9. Warm little pond - Wikipedia

    en.wikipedia.org/wiki/Warm_little_pond

    Warm little pond. A warm little pond is a hypothetical terrestrial shallow water environment on early Earth under which the origin of life could have occurred. The term was originally coined by Charles Darwin in an 1871 letter to his friend Joseph Dalton Hooker. [1][2] This idea is related to later work such as the Oparin-Haldane hypothesis and ...