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-8539 --- Date: March 09, 2025 --- Sample Location: Hardisty

Slightly increased BTEX and C5 x C8 contents were recorded for the March 9th sample of Western Canadian Select.

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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: 2025-03-09	6 Month Average	1 Year Average	5 Year Average
Density (kg/m³)	922.3	924.8	926.3	927.0
Gravity (°API)	21.8	21.4	21.1	21.0
Sulphur (wt%)	3.66	3.69	3.70	3.64
Micro Carbon Residue (wt%)	9.70	9.85	10.01	9.89
Sediment (ppmw)	199	189	223	207
Total Acid Number (mgKOH/g)	0.97	0.96	0.93	0.93
Salt (ptb)	12.6	12.8	11.5	11.7
Nickel (mg/kg)	53.6	53.6	54.9	54.6
Vanadium (mg/kg)	128.0	128.9	129.0	130.2

Component by GC/FID	Most Recent: 2025-03-09	6 Month Average	1 Year Average	5 Year Average
C3- (vol%)	0.12	0.10	0.09	0.10
iC4 iso-Butane (vol%)	0.91	0.76	0.73	0.88
nC4 n-Butane (vol%)	1.96	1.75	1.66	1.86
iC5 iso-Pentane (vol%)	2.85	2.68	2.72	2.42
nC5 n-Pentane (vol%)	3.04	2.92	2.97	2.65
C6 Hexanes (vol%)	4.64	4.48	4.42	4.04
C7 Heptanes (vol%)	3.74	3.57	3.38	3.11
C8 Octanes (vol%)	2.94	2.76	2.63	2.51
C9 Nonanes (vol%)	1.83	1.76	1.72	1.72
C10 Decanes (vol%)	0.89	0.85	0.82	0.88

Component by GC/FID	Most Recent: 2025-03-09	6 Month Average	1 Year Average	5 Year Average
Benzene (vol%)	0.18	0.15	0.14	0.13
Toluene (vol%)	0.42	0.37	0.34	0.30
Ethylbenzene (vol%)	0.07	0.06	0.05	0.06
Xylenes (vol%)	0.43	0.39	0.36	0.35

Mass % Recovered by ASTM D7169	Most Recent: 2025-03-01 (°C)	5 Year Average (°C)	Most Recent: 2025-03-01 (°F)	5 Year Average (°F)
IBP	32.9	19.2	91.2	66.6
5	49.9	46.8	121.8	116.2
10	107.4	113.8	225.3	236.8
20	242.0	249.4	467.6	480.9
30	323.0	329.0	613.4	624.2
40	390.2	396.3	734.4	745.3
50	452.3	460.2	846.1	860.4
60	523.2	532.7	973.8	990.9
70	609.7	615.7	1,129.5	1,140.3
80	702.9	703.2	1,297.2	1,297.8
90	---	---	---	---
95	---	---	---	---
99	---	---	---	---

Component by GC/FID	Most Recent: 2025-03-09	6 Month Average	1 Year Average	5 Year Average
C3- (mass%)	0.06	0.05	0.05	0.05
iC4 iso-Butane (mass%)	0.56	0.47	0.45	0.54
nC4 n-Butane (mass%)	1.25	1.11	1.06	1.18
iC5 iso-Pentane (mass%)	1.93	1.81	1.83	1.63
nC5 n-Pentane (mass%)	2.08	1.99	2.03	1.81
Hexanes (mass%)	3.34	3.21	3.17	2.89
Heptanes (mass%)	2.79	2.65	2.51	2.31
Octanes (mass%)	2.25	2.11	2.01	1.92
Nonanes (mass%)	1.43	1.38	1.34	1.34
Decanes (mass%)	0.71	0.67	0.65	0.70

Component by GC/FID	Most Recent: 2025-03-09	6 Month Average	1 Year Average	5 Year Average
Benzene (mass%)	0.17	0.14	0.13	0.12
Toluene (mass%)	0.40	0.35	0.32	0.28
Ethylbenzene (mass%)	0.07	0.06	0.05	0.06
Xylenes (mass%)	0.40	0.37	0.34	0.33

Property (units)	Five Year Average	2025-03-09	2025-03-01	2025-02-08	2025-02-01	2025-01-08	2025-01-01
Density (kg/m³)	927.0 ± 5.1	922.3	921.7	919.7	922.1	920.4	917.5
Gravity (°API)	21.0 ± 0.8	21.8	21.9	22.2	21.8	22.1	22.6
Sulphur (wt%)	3.64 ± 0.10	3.66	3.65	3.72	3.72	3.61	3.61
Micro Carbon Residue (wt%)	9.89 ± 0.35	9.70	9.20	10.10	9.90	9.90	9.30
Sediment (ppmw)	207 ± 71	199	---	---	170	120	---
Total Acid Number (mgKOH/g)	0.93 ± ND	0.97	0.90	0.85	0.96	0.87	1.05
Salt (ptb)	11.7 ± 2.3	12.6	---	---	11.2	12.0	---
Nickel (mg/kg)	54.6 ± 3.6	53.6	55.0	58.8	52.3	52.4	54.1
Vanadium (mg/kg)	130.2 ± 6.1	128.0	125.0	130.0	128.0	123.0	128.0

Component by GC/FID	Five Year Average	2025-03-09	2025-03-01	2025-02-08	2025-02-01	2025-01-08	2025-01-01
C3- (vol%)	0.10 ± 0.02	0.12	0.07	0.09	0.12	0.14	0.12
iC4 iso-Butane (vol%)	0.88 ± 0.14	0.91	0.71	0.84	0.81	0.87	0.84
nC4 n-Butane (vol%)	1.86 ± 0.29	1.96	1.68	1.94	1.88	1.94	1.92
iC5 iso-Pentane (vol%)	2.42 ± 0.35	2.85	2.58	2.72	2.86	2.65	2.72
nC5 n-Pentane (vol%)	2.65 ± 0.38	3.04	2.83	2.97	3.13	2.86	2.95
C6 Hexanes (vol%)	4.04 ± 0.44	4.64	4.15	4.64	4.85	4.58	4.63
C7 Heptanes (vol%)	3.11 ± 0.38	3.74	3.18	3.73	3.90	3.83	3.87
C8 Octanes (vol%)	2.51 ± 0.29	2.94	2.47	2.93	3.11	3.02	3.01
C9 Nonanes (vol%)	1.72 ± 0.22	1.83	1.56	1.87	2.06	1.99	1.97
C10 Decanes (vol%)	0.88 ± 0.13	0.89	0.82	0.97	0.94	0.93	0.96

Component by GC/FID	Five Year Average	2025-03-09	2025-03-01	2025-02-08	2025-02-01	2025-01-08	2025-01-01
Benzene (vol%)	0.13 ± 0.02	0.18	0.15	0.17	0.17	0.16	0.16
Toluene (vol%)	0.30 ± 0.06	0.42	0.34	0.40	0.41	0.42	0.42
Ethylbenzene (vol%)	0.06 ± 0.01	0.07	0.06	0.07	0.07	0.07	0.07
Xylenes (vol%)	0.35 ± 0.06	0.43	0.36	0.43	0.43	0.46	0.43

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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Safety Data Sheets

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BTEX Mass% for Western Canadian Select

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