Western Canadian Select

Stream Description

Western Canadian Select is a Hardisty based blend of conventional and oilsands production managed by Canadian Natural Resources, Cenovus Energy, and Suncor 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.

Most Recent Sample Details

Batch: WCS-1670 --- Date: July 07, 2026 --- Sample Location: Hardisty

The July 7th sample of Western Canadian Select recorded elevated sulphur, MCR, TAN, and metals. Light ends results showed reduced BTEX, butanes, and C6 x C9 contents.

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Safety Data Sheets

Safet Data Sheets (SDS) are provided for reference only. Always check producer's or shipper's website for up-to-date information. Visit our Industry Resources page for quick links to external SDS databases.

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Property (unit)	Most Recent: 2026-07-07	6 Month Average	1 Year Average	5 Year Average
Density (kg/m³)	930.3	922.4	926.8	926.6
Gravity (°API)	20.6	21.9	21.1	21.1
Sulphur (wt%)	3.91	3.63	3.70	3.68
Micro Carbon Residue (wt%)	10.4	10.1	10.1	9.93
Sediment (ppmw)	---	250	219	208
Total Acid Number (mgKOH/g)	1.18	1.09	1.02	0.93
Salt (ptb)	---	17.0	13.4	12.1
Nickel (mg/kg)	73.9	56.3	55.5	54.6
Vanadium (mg/kg)	181.0	138.8	137.8	132.1

Component by GC/FID	Most Recent: 2026-07-07	6 Month Average	1 Year Average	5 Year Average
C3- (vol%)	0.06	0.07	0.08	0.09
iC4 iso-Butane (vol%)	0.57	0.67	0.74	0.83
nC4 n-Butane (vol%)	1.39	1.55	1.69	1.80
iC5 iso-Pentane (vol%)	2.37	2.36	2.27	2.44
nC5 n-Pentane (vol%)	2.50	2.56	2.49	2.67
C6 Hexanes (vol%)	2.68	3.06	3.43	3.99
C7 Heptanes (vol%)	2.25	2.53	2.79	3.11
C8 Octanes (vol%)	1.95	2.32	2.45	2.53
C9 Nonanes (vol%)	1.12	1.33	1.56	1.71
C10 Decanes (vol%)	0.93	1.13	1.02	0.92

Component by GC/FID	Most Recent: 2026-07-07	6 Month Average	1 Year Average	5 Year Average
Benzene (vol%)	0.07	0.09	0.11	0.13
Toluene (vol%)	0.17	0.21	0.24	0.30
Ethylbenzene (vol%)	0.03	0.03	0.04	0.05
Xylenes (vol%)	0.21	0.21	0.27	0.34

Mass % Recovered by ASTM D7169	Most Recent: 2026-05-01 (°C)	5 Year Average (°C)	Most Recent: 2026-05-01 (°F)	5 Year Average (°F)
IBP	-0.7	17.7	30.7	63.9
5	69.0	48.2	156.2	118.8
10	135.6	114.9	276.1	238.8
20	269.1	250.1	516.4	482.2
30	349.6	330.1	661.3	626.2
40	422.9	398.1	793.2	748.6
50	492.6	462.5	918.7	864.5
60	573.1	535.2	1,063.6	995.4
70	654.5	617.9	1,210.1	1,144.2
80	708.4	704.0	1,307.1	1,299.2
90	---	---	---	---
95	---	---	---	---
99	---	---	---	---

Component by GC/FID	Most Recent: 2026-07-07	6 Month Average	1 Year Average	5 Year Average
C3- (mass%)	0.03	0.04	0.04	0.05
iC4 iso-Butane (mass%)	0.35	0.42	0.46	0.51
nC4 n-Butane (mass%)	0.88	0.99	1.07	1.15
iC5 iso-Pentane (mass%)	1.59	1.60	1.53	1.64
nC5 n-Pentane (mass%)	1.70	1.75	1.70	1.82
Hexanes (mass%)	1.91	2.20	2.45	2.85
Heptanes (mass%)	1.66	1.88	2.07	2.30
Octanes (mass%)	1.48	1.78	1.87	1.93
Nonanes (mass%)	0.87	1.04	1.22	1.33
Decanes (mass%)	0.73	0.90	0.80	0.72

Component by GC/FID	Most Recent: 2026-07-07	6 Month Average	1 Year Average	5 Year Average
Benzene (mass%)	0.07	0.09	0.10	0.12
Toluene (mass%)	0.16	0.20	0.23	0.28
Ethylbenzene (mass%)	0.03	0.03	0.04	0.05
Xylenes (mass%)	0.20	0.20	0.25	0.32

Property (units)	Five Year Average	2026-07-07	2026-06-15	2026-05-11	2026-05-01	2026-04-10	2026-04-01
Density (kg/m³)	926.6 ± 5.2	930.3	927.6	921.0	922.1	919.2	920.5
Gravity (°API)	21.1 ± 0.9	20.6	21.0	22.1	21.9	22.4	22.2
Sulphur (wt%)	3.68 ± 0.10	3.91	3.60	3.63	3.57	3.56	3.68
Micro Carbon Residue (wt%)	9.93 ± 0.36	10.4	10.7	10.2	9.98	10.2	10.2
Sediment (ppmw)	208 ± 73	---	---	---	160	---	240
Total Acid Number (mgKOH/g)	0.93 ± 0.10	1.18	1.12	1.20	1.05	1.09	1.20
Salt (ptb)	12.1 ± 2.9	---	---	---	16.3	---	18.4
Nickel (mg/kg)	54.6 ± 3.6	73.9	52.7	62.5	59.2	52.8	54.4
Vanadium (mg/kg)	132.1 ± 7.9	181.0	129.0	158.0	142.0	124.0	134.0

Component by GC/FID	Five Year Average	2026-07-07	2026-06-15	2026-05-11	2026-05-01	2026-04-10	2026-04-01
C3- (vol%)	0.09 ± 0.02	0.06	0.05	0.13	0.05	0.07	0.07
iC4 iso-Butane (vol%)	0.83 ± 0.14	0.57	0.54	0.68	0.57	0.71	0.70
nC4 n-Butane (vol%)	1.80 ± 0.29	1.39	1.31	1.55	1.39	1.64	1.60
iC5 iso-Pentane (vol%)	2.44 ± 0.32	2.37	2.21	2.55	2.38	2.87	2.61
nC5 n-Pentane (vol%)	2.67 ± 0.34	2.50	2.41	2.74	2.57	3.09	2.81
C6 Hexanes (vol%)	3.99 ± 0.51	2.68	2.67	3.15	2.84	3.45	3.18
C7 Heptanes (vol%)	3.11 ± 0.40	2.25	2.29	2.55	2.71	2.66	2.58
C8 Octanes (vol%)	2.53 ± 0.30	1.95	2.07	2.39	2.43	2.37	2.41
C9 Nonanes (vol%)	1.71 ± 0.26	1.12	1.21	1.39	1.42	1.33	1.40
C10 Decanes (vol%)	0.92 ± 0.16	0.93	0.96	1.22	1.04	1.09	1.23

Component by GC/FID	Five Year Average	2026-07-07	2026-06-15	2026-05-11	2026-05-01	2026-04-10	2026-04-01
Benzene (vol%)	0.13 ± 0.03	0.07	0.08	0.11	0.10	0.12	0.11
Toluene (vol%)	0.30 ± 0.07	0.17	0.19	0.27	0.26	0.27	0.27
Ethylbenzene (vol%)	0.05 ± 0.02	0.03	0.03	0.04	0.04	0.04	0.04
Xylenes (vol%)	0.34 ± 0.08	0.21	0.22	0.30	0.33	0.29	0.31

Custom Cut Input
°C °F
Cut Name	Start Temperature	End Temperature
	IBP
	177
	343
	549

Western Canadian Select

Stream Description

Most Recent Sample Details

Last Six Sample Data

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