What is Western Canadian Select crude?

Western Canadian Select is a Hardisty based blend of conventional and oilsands production managed by Canadian Natural Resources, Cenovus Energy, Suncor Energy, and Talisman Energy. Argus has launched daily volume-weighted average price indexes for Western Canadian Select (WCS) and will publish this index in the daily Argus Crude and Argus Americas Crude publications.

Light Ends Summary

Property (vol%)Most Recent Sample6 Month Average1 Year Average5 Year Average
C3- 0.06 0.06 0.07 0.06
Butanes 1.89 2.00 2.11 2.03
Pentanes 5.26 5.29 5.71 4.82
Hexanes 3.65 3.80 4.14 4.05
Heptanes 2.54 2.54 2.74 2.84
Octanes 1.94 1.84 1.91 2.08
Nonanes 1.41 1.47 1.41 1.47
Decanes 0.60 0.82 0.75 0.73

BTEX

Property (vol%)Most Recent Sample6 Month Average1 Year Average5 Year Average
Benzene 0.08 0.13 0.15 0.16
Toluene 0.15 0.23 0.27 0.30
Ethyl Benzene 0.03 0.04 0.05 0.06
Xylenes 0.16 0.22 0.24 0.28

Distillation

TBP ASTM D2892 & D5236
HTSD ASTM D7169

Export Western Canadian Select Data

.xls

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Most Recent Sample Comments:
WCS-752, Oct 27, 2014

Last 6 Samples

Other than reduced BTEX, the October 27th sample of Western Canadian Select was consistent with historical data. Typical simulated distillation results are included.

Basic Analysis

PropertyMost Recent Sample6 Month Average1 Year Average5 Year Average
Density (kg/m3) 931.9 930.6 927.8 928.7
Gravity (oAPI) 20.2 20.4 20.9 20.7
Sulphur (wt%) 3.60 3.51 3.48 3.52
MCR (wt%) 9.93 9.76 9.70 9.75
Sediment (ppmw) - 185 214 288
TAN (mgKOH/g) 1.02 0.99 0.96 0.94
Salt (ptb) - 28.9 26.3 40.5
Nickel (mg/L) 56.0 59.2 59.5 59.5
Vanadium (mg/L) 130.0 137.5 137.7 140.3
Olefins (wt%) - - ND ND

*ND indicates a tested value below the instrument threshold.

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