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The clear cut definition of light and heavy crude varies because the classification is based more on practical grounds than theoretical. The New York Mercantile Exchange (NYMEX) defines light crude oil for domestic U.S. oil as having an API gravity between 37° API (840 kg/m 3) and 42° API (816 kg/m 3), while it defines light crude oil for non-U.S. oil as being between 32° API (865 kg/m 3 ...
Crude oil is considered "heavy" if it has long hydrocarbon chains, or "light" if it has short hydrocarbon chains: an API gravity of 34 or higher is "light", between 31 and 33 is "medium", and 30 or below is "heavy". Crude is considered "sweet" if it is low in sulphur content (< 0.5%/weight), or "sour" if high (> 1.0%/weight). Generally, the ...
Heavy crude oil (or extra heavy crude oil) is highly viscous oil that cannot easily flow from production wells under normal reservoir conditions. [1] It is referred to as "heavy" because its density or specific gravity is higher than that of light crude oil. Heavy crude oil has been defined as any liquid petroleum with an API gravity less than ...
Brent Crude, a classification of light sweet crude oil coming from the North Sea region, is due to replace West Texas Intermediate, also known as WTI or Texas light sweet, as the standard in ...
The WTI oil grade is also known as Texas light sweet. Oil produced from any location can be considered WTI if the oil meets the required qualifications. [2] Spot and futures prices of WTI are used as a benchmark in oil pricing. This grade is described as light crude oil because of its low density and sweet because of its low sulfur content.
As the Financial Times wrote last year, the crude oil trade is "in throes of an historic shift." U.S. Gulf Coast refiners, which had relied on imports of light sweet crude oil from OPEC nations ...
Per the "Regions and crude types" discussion above, California production is categorized by its own crude type. Sweet crude oil contains small amounts of hydrogen sulfide and carbon dioxide. High-quality, low-sulfur crude oil is commonly used for processing into gasoline and is in high demand, particularly in industrialized nations.
Canada's benchmark heavy crude, Western Canada Select (WCS), is trading at a steep discount to West Texas Intermediate (WTI) after weakening sharply last month, and is expected to remain subdued ...