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This grade is described as light crude oil because of its low density and sweet because of its low sulfur content. The price of WTI is often included in news reports on oil prices, alongside the price of Brent crude from the North Sea. Other important oil markers include the Dubai crude, Oman crude, Urals oil, and the OPEC reference basket. WTI ...
Sour crude oil is crude oil containing a high amount of the impurity sulfur. 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". [1] The impurities need to be removed before this lower-quality crude can be refined into petrol, thereby ...
Although crude oil assays evaluate various chemical properties of the oil, the two most important properties determining a crude's value are its density (measured as API specific gravity) and its sulphur content (measured per mass). Crude oil is considered "heavy" if it has long hydrocarbon chains, or "light" if it has short hydrocarbon chains ...
US crude futures have gained 20% this year and pushed energy stocks to outperform the market as rising geopolitical tensions and lower supply buoy prices. Crude oil prices reach highest since ...
Dubai Crude is generally used for pricing Persian Gulf crude oil exports to Asia. The Dubai benchmark is also known as Fateh, used in the United Arab Emirates. [1] Forward trade of Dubai Crude is limited to one or two months. Dubai Crude is a medium oil. It has a gravity of 31° API (specific gravity of 0.871) and a sulfur content of 2%/weight. [2]
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]
Both Edmonton Par and WCS are high-quality low sulphur crude oils with API gravity levels of around 40°. In contrast, WCS is a heavy crude oil with an API gravity level of 20.5°." [6] The Canadian Crude Index (CCI) serves as a benchmark for oil produced in Canada. [7]
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.