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  2. Allocation (oil and gas) - Wikipedia

    en.wikipedia.org/wiki/Allocation_(oil_and_gas)

    The terms hydrocarbon accounting and allocation are sometimes used interchangeably. [2] [3] Hydrocarbon accounting has a wider scope, taking advantages of allocation results, it is the petroleum management process by which ownership of extracted hydrocarbons is determined and tracked from a point of sale or discharge back to the point of ...

  3. Hydrocarbon economy - Wikipedia

    en.wikipedia.org/wiki/Hydrocarbon_economy

    Hydrocarbon price volatility, particularly in the context of hydrocarbon economies, is a complex phenomenon impacted by a confluence of geopolitical, economic, and market factors. The period between 2010 and 2014, where hydrocarbon prices hovered around USD 100 per barrel, followed by a dramatic decline in 2016 to about USD 30 per barrel ...

  4. Downstream (petroleum industry) - Wikipedia

    en.wikipedia.org/wiki/Downstream_(petroleum...

    The oil and gas industry is usually divided into three major sectors: upstream, midstream, and downstream. The downstream sector is the refining of petroleum crude oil and the processing and purifying of raw natural gas, [1] as well as the marketing and distribution of products derived from crude oil and natural gas.

  5. List of abbreviations in oil and gas exploration and production

    en.wikipedia.org/wiki/List_of_abbreviations_in...

    NHDA – National Hydrocarbons Data Archive (United Kingdom) NHPV – net hydrocarbon pore volume; NL-NG – No loss-no gain; NMDC – non-magnetic drill collar; NMHC – non-methane hydrocarbons; NMR – nuclear magnetic resonance kog; NMVOC – non-methane volatile organic compounds; NNF – normally no flow; NNS – northern North Sea; NOISL ...

  6. Petroleum geology - Wikipedia

    en.wikipedia.org/wiki/Petroleum_geology

    The critical moment is crucial since it is based on the burial history of the source rock when it is at maximum burial depth. This is when most of the hydrocarbons are generated. Approximately 50%-90% petroleum is made and expelled at this point. The next step is the hydrocarbons entering the oil window.

  7. Hydrocarbon - Wikipedia

    en.wikipedia.org/wiki/Hydrocarbon

    In the fossil fuel industries, hydrocarbon refers to naturally occurring petroleum, natural gas and coal, or their hydrocarbon derivatives and purified forms. Combustion of hydrocarbons is the main source of the world's energy. Petroleum is the dominant raw-material source for organic commodity chemicals such as solvents and polymers.

  8. Upstream (petroleum industry) - Wikipedia

    en.wikipedia.org/wiki/Upstream_(petroleum_industry)

    The oil and gas industry is usually divided into three major sectors: upstream (also called exploration and production or E&P), midstream and downstream. [1] [2] The upstream sector includes searching for potential underground or underwater crude oil and natural gas fields, drilling exploratory wells, and subsequently operating the wells that recover and bring the crude oil or raw natural gas ...

  9. Oil and gas reserves and resource quantification - Wikipedia

    en.wikipedia.org/wiki/Oil_and_gas_reserves_and...

    Flaring a flow test, the first outward indication of a new oil or gas discovery, which has the potential to qualify for reserves assessment. Oil and gas reserves denote discovered quantities of crude oil and natural gas (oil or gas fields) that can be profitably produced/recovered from an approved development.