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11 Unit, 6the floor , Jalal Ale Ahmad High Way, Tehran , Iran

+98-21 8838 4292

Crude Oil

Crude oil is a naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials. Crude oil can be refined to produce usable products such as gasoline, diesel and various forms of petrochemicals. It is a nonrenewable resource, also known as a fossil fuel, which means that it can't be replaced naturally at the rate we consume it and is therefore a limited resource.

Many types of crude oil are produced around the world. The market value of an individual crude stream reflects its quality characteristics. Two of the most important quality characteristics are density and sulfur content. Density ranges from light to heavy, while sulfur content is characterized as sweet or sour. The crude oils represented in the chart are a selection of some of the crude oils marketed in various parts of the world.

Crude oils that are light (higher degrees of API gravity, or lower density) and sweet (low sulfur content) are usually priced higher than heavy, sour crude oils. This is partly because gasoline and diesel fuel, which typically sell at a significant premium to residual fuel oil and other "bottom of the barrel" products, can usually be more easily and cheaply produced using light, sweet crude oil. The light sweet grades are desirable because they can be processed with far less sophisticated and energy-intensive processes/refineries. The figure shows select crude types from around the world with their corresponding sulfur content and density characteristics.

    Specific Gravity @15.56/15.56°C ……… 0.8778 ASTM D5002
    APL Gravity APL 29.70 ASTM D5002
    Sulfur Content (Total) Wt.% 1.67 ASTM D4294
    H2S Content ppm 14 IP 570
    Mercaptan Content ppm 175 Uop 163
    Nitrogen Content (Total) Wt.% 0.14 ASTM D5762
    Water & Sediment Vol.% <0.05 ASTM D4007
    Water Content Vol.% <0.025 ASTM D4006
    Salt Content PTB 7 ASTM D3230
    Kinematic Viscosity @ 10°C Mm 2/s 32.27 ASTM D445
    Kinematic Viscosity @ 20°C Mm2/s 19.67
    Kinematic Viscosity @ 40°C Mm2/s 11.06
    Pour Point (Upper) °C -27 ASTM D5853
    Reid Vapor Pressure psi 6.10 ASTM D323
    Asphaltene Content Wt.% 3.0 IP 143
    Wax Content Wt.% 6.0 BP 237
    Drop Melting Point of Wax °C 54 IP 133
    Conradson Carbon Residue Wt.% 5.83 ASTM D189
    Total Acid Number Mg Koh/g <0.05 UOP 565
    Nickel Content Mg/kg 11 ASTM D5863
    Vanadium Content Mg/kg 36
    Iron Content Mg/kg 1
    Lead Content Mg/kg <1
    Sodium Content Mg/kg 8
    Zinc Content Mg/kg <1
    Copper Content Mg/kg <1

  • Packing is in bulk and measured by barrels

  • neka kharg
  • Sulfur Content
  • locations of Crude oil




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