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Barrel (unit) Ale casks at a brewery in the UK. These are firkins, each holding 9 imperial gallons (41 L) or a quarter of a UK beer barrel. A barrel is one of several units of volume applied in various contexts; there are dry barrels, fluid barrels (such as the U.K. beer barrel and U.S. beer barrel), oil barrels, and so forth.
A combination of factors led a plunge in U.S. oil import requirements and a record high volume of worldwide oil inventories in storage, and a collapse in oil prices that continues into 2016. [77] [78] Between June 2014 and January 2015, according to the World Bank, the collapse in the price of oil was the third largest since 1986. [29]
A drum (also called a barrel) is a cylindrical shipping container used for shipping bulk cargo. Drums can be made of steel, dense paperboard (commonly called a fiber drum), or plastic, and are generally used for the transportation and storage of liquids and powders. Drums are often stackable, and have dimensions designed for efficient warehouse ...
High production volume chemicals (HPV chemicals) are produced or imported into the United States in quantities of 1 million pounds or 500 tons per year. [1] In OECD countries , HPV chemicals are defined as being produced at levels greater than 1,000 metric tons per producer/importer per year in at least one member country/region. [ 2 ]
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 ...
Graduated pipette. The difference between the calibration mark of Serological pipette (top) and Mohr (bottom) A graduated pipette is a pipette with its volume, in increments, marked along the tube. It is used to accurately measure and transfer a volume of liquid from one container to another. [1] It is made from plastic or glass tubes and has a ...
Shale oil extraction is an industrial process for unconventional oil production. This process converts kerogen in oil shale into shale oil by pyrolysis, hydrogenation, or thermal dissolution. The resultant shale oil is used as fuel oil or upgraded to meet refinery feedstock specifications by adding hydrogen and removing sulfur and nitrogen ...
The Hubbert peak theory says that for any given geographical area, from an individual oil-producing region to the planet as a whole, the rate of petroleum production tends to follow a bell-shaped curve. It is one of the primary theories on peak oil. Choosing a particular curve determines a point of maximum production based on discovery rates ...