Cossack crude is produced in Northwest Australia and is loaded from a FSU (Floating Storage unit). The cargo sizes range from 450 to 650 thousand barrels with a maximum ship size up to 110,000 DWT. Typically; the cargoes are sold with pricing based off Dated Brent. The production rate is approximately 100 to 110 thousand barrels per day.

Whole Crude Properties *

Property Measured
Gravity, API° 48.20
Gravity SG 0.79
Sulfur, wt% 0.04
Total Nitrogen, ppm 309.47
Acid Number, mg KOH/g 0.05
Pour Point, °C -12.37
Charact. Factor (K-FACTOR) 12.12
Viscosity, cSt at 40°C (104°F) 1.36
Viscosity, cSt at 50°C (122°F) 1.20
Vanadium, ppm 0.06
Nickel, ppm 0.78
MCR, wt% 0.33
Ramsbottom Carbon, wt% 0.32
Asphaltenes, (H.C7) wt% 0.03

* Disclaimer

While we believe that this assay is representative of the expected commercial crude, it does not guarantee production quality, and users are solely responsible for their use of the assay. No warranties are given regarding the assay accuracy or any results from its use. Chevron does not warrant or make any representations regarding the use or the results of the use of the foregoing opinion, information or data in this site in terms of their correctness, accuracy, results, use, quality, reliability, or otherwise.

Cossack Assay Data

The following links provide you with assay data tables (disclaimer) for various properties across a standard set of cuts, as well as a distillation summary in °F and °C.

This is only a partial assay, if you require further data please contact us.

If you have trouble downloading or viewing the data, please contact us for the information in a preferred format.