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Sour crude oil is crude oil containing a high amount of the impurity sulfur. It is common to find crude oil containing some impurities. It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% (by weight), the oil is called "sour".
Crude oil contains sulfur in its composition, with the latter being the most abundant element after carbon and hydrogen. [2] Depending on its source, the amount of sulfur present in crude oil can range from 0.05 to 10%. [3] Accordingly, the oil can be classified as sweet or sour if the sulfur concentration is below or above 0.5%, respectively. [4]
Petroleum containing higher levels of sulfur is called sour crude oil. [3] In the Annual Energy Outlook crude type estimates, all Alaska and Gulf of Mexico oil production is assumed to be API gravity 27-35 degrees and medium sour. Northeast crude oil production consists of approximately 30% API 27-35 medium-sour and 60% API 35-40 sour.
A tank of diesel fuel on a truck. Diesel fuel, also called diesel oil, heavy oil (historically) or simply diesel, is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine in which fuel ignition takes place without a spark as a result of compression of the inlet air and then injection of fuel.
Fuel oils include heavy fuel oil (bunker fuel), marine fuel oil (MFO), furnace oil (FO), gas oil (gasoil), heating oils (such as home heating oil), diesel fuel, and others. The term fuel oil generally includes any liquid fuel that is burned in a furnace or boiler to generate heat ( heating oils ), or used in an engine to generate power (as ...
Dubai Crude, also known as Fateh, is a heavy sour crude oil extracted from Dubai.It is produced in the Emirate of Dubai, part of the United Arab Emirates. [5] Dubai's only refinery, at Jebel Ali, takes condensates as feedstocks, and therefore all of Dubai's crude production is exported.
Naphtha (/ ˈ n æ f θ ə /, recorded as less common or nonstandard [1] in all dictionaries: / ˈ n æ p θ ə /) is a flammable liquid hydrocarbon mixture.Generally, it is a fraction of crude oil, but it can also be produced from natural-gas condensates, petroleum distillates, and the fractional distillation of coal tar and peat.
Western Canadian Select (WCS) is a heavy sour blend of crude oil [1] that is one of North America's largest heavy crude oil streams [2] and, historically, its cheapest. [3] It was established in December 2004 as a new heavy oil stream by EnCana (now Cenovus), Canadian Natural Resources, Petro-Canada (now Suncor) and Talisman Energy (now Repsol Oil & Gas Canada). [4]