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Commercial form of oil (could be raw or slightly processed to match the trade specifications).
The most common characteristics used to identify the quality of a crude are its API gravity and its Sulfur sulfur content.
Crude is is considered sweet if Sulfur sulfur content < 0.5 % and sour if Sulfur sulfur content > 0.5 %.
Below are the popular examples of market crudes which set up the oil price benchmarks in exchange tradings:
Synthetic crude | Light crude | Medium crude | Heavy crude |
---|---|---|---|
Syncrude Sweet Blend (API 30.5 – 33.6) | Pennsylvania Grade Crude Oil | Maya (API 21.8) |
See List of crude oil products for the more detailed list.
See also
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Natural Science / Physics / Chemistry / Chemical Substance
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum fluids
[ List of crude oil products ]
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