Medium Sour Blend

Stream Description

Medium Sour Blend is a mixture of all light and medium sour feeders that were formerly shipped as Sour Low Edmonton, Sour High Edmonton, and Mixed Sour Blend. Feeders are pooled in Superior and undergo an equalization process.

Most Recent Sample Details

Batch: MSB-6003 --- Date: November 08, 2025 --- Sample Location: Superior

Density and sulphur were slightly increased for the November sample of Medium Sour Blend. Simulated distillation results showed a smaller naphtha and larger gas oil fraction.

Last Six Sample Data

View data for the last six samples.

Enbridge Pooled Crude Quality Specification

Pooled crudes at Superior are subject to quality specifications set by Enbridge. Test methods employed, typical results, testing frequency, and mitigation/penalty details can be found from the most recent specifications document. Contact Enbridge Pipelines directly for additional information regarding pooled crude quality requirements.

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Property (unit)	Most Recent: 2025-11-08	6 Month Average	1 Year Average	5 Year Average
Density (kg/m³)	867.0	865.8	863.7	859.5
Gravity (°API)	31.6	31.8	32.2	33.0
Sulphur (wt%)	2.13	2.05	2.03	1.85
Micro Carbon Residue (wt%)	5.23	5.17	5.11	4.78
Sediment (ppmw)	158	158	---	357
Total Acid Number (mgKOH/g)	0.12	0.14	0.17	0.21
Salt (ptb)	8.1	8.1	---	27.3
Nickel (mg/kg)	14.6	14.7	15.6	16.7
Vanadium (mg/kg)	29.6	29.0	32.5	36.1
Olefins (wt%)	---	---	---	ND

Component by GC/FID	Most Recent: 2025-11-08	6 Month Average	1 Year Average	5 Year Average
C3- (vol%)	0.35	0.37	0.40	0.35
iC4 iso-Butane (vol%)	0.81	0.82	0.95	0.87
nC4 n-Butane (vol%)	2.70	2.73	3.07	2.76
iC5 iso-Pentane (vol%)	1.33	1.39	1.60	1.99
nC5 n-Pentane (vol%)	1.68	1.75	1.97	2.49
C6 Hexanes (vol%)	5.38	5.45	5.73	6.20
C7 Heptanes (vol%)	5.40	5.47	5.72	6.05
C8 Octanes (vol%)	5.57	5.68	5.85	5.78
C9 Nonanes (vol%)	4.19	4.35	4.31	4.15
C10 Decanes (vol%)	1.94	1.96	2.02	2.00

Component by GC/FID	Most Recent: 2025-11-08	6 Month Average	1 Year Average	5 Year Average
Benzene (vol%)	0.66	0.64	0.62	0.54
Toluene (vol%)	0.96	0.90	0.92	0.89
Ethylbenzene (vol%)	0.52	0.51	0.48	0.39
Xylenes (vol%)	0.56	0.53	0.60	0.64

Mass % Recovered by ASTM D7169	Most Recent: 2025-11-08 (°C)	5 Year Average (°C)	Most Recent: 2025-11-08 (°F)	5 Year Average (°F)
IBP	34.5	4.6	94.1	40.3
5	59.1	42.2	138.4	108.0
10	133.5	81.7	272.3	179.1
20	208.0	137.9	406.4	280.2
30	268.3	198.3	514.9	388.9
40	323.3	262.5	613.9	504.5
50	379.3	323.2	714.7	613.8
60	435.9	383.8	816.6	722.8
70	501.8	449.2	935.2	840.6
80	577.1	534.9	1,070.8	994.8
90	686.4	651.1	1,267.5	1,204.0
95	---	674.3	---	1,245.7
99	---	705.2	---	1,301.4

Component by GC/FID	Most Recent: 2025-11-08	6 Month Average	1 Year Average	5 Year Average
C3- (mass%)	0.20	0.21	0.23	0.20
iC4 iso-Butane (mass%)	0.53	0.54	0.63	0.58
nC4 n-Butane (mass%)	1.83	1.85	2.09	1.89
iC5 iso-Pentane (mass%)	0.96	1.00	1.16	1.45
nC5 n-Pentane (mass%)	1.22	1.28	1.44	1.83
Hexanes (mass%)	4.12	4.18	4.40	4.79
Heptanes (mass%)	4.28	4.34	4.55	4.84
Octanes (mass%)	4.54	4.63	4.78	4.75
Nonanes (mass%)	3.49	3.63	3.60	3.48
Decanes (mass%)	1.64	1.66	1.71	1.70

Component by GC/FID	Most Recent: 2025-11-08	6 Month Average	1 Year Average	5 Year Average
Benzene (mass%)	0.67	0.65	0.64	0.55
Toluene (mass%)	0.96	0.91	0.93	0.91
Ethylbenzene (mass%)	0.52	0.51	0.48	0.40
Xylenes (mass%)	0.56	0.53	0.61	0.65

Property (units)	Five Year Average	2025-11-08	2025-07-02	2025-01-10	2024-12-08	2024-10-24	2024-09-15
Density (kg/m³)	859.5 ± 5.7	867.0	864.5	863.1	860.2	854.8	862.0
Gravity (°API)	33.0 ± 1.1	31.6	32.0	32.3	32.8	33.9	32.5
Sulphur (wt%)	1.85 ± 0.21	2.13	1.96	2.02	2.02	1.79	2.21
Micro Carbon Residue (wt%)	4.78 ± 0.73	5.23	5.10	5.20	4.90	5.20	6.80
Sediment (ppmw)	357 ± 365	158	---	---	---	---	---
Total Acid Number (mgKOH/g)	0.21 ± ND	0.12	0.16	0.23	0.17	0.24	0.42
Salt (ptb)	27.3 ± 46.7	8.1	---	---	---	---	---
Nickel (mg/kg)	16.7 ± 4.7	14.6	14.7	18.3	14.8	14.8	29.8
Vanadium (mg/kg)	36.1 ± 11.8	29.6	28.4	40.2	31.6	38.8	74.3

Component by GC/FID	Five Year Average	2025-11-08	2025-07-02	2025-01-10	2024-12-08	2024-10-24	2024-09-15
C3- (vol%)	0.35 ± 0.06	0.35	0.38	0.44	0.44	0.47	0.22
iC4 iso-Butane (vol%)	0.87 ± 0.12	0.81	0.82	1.06	1.10	1.04	0.65
nC4 n-Butane (vol%)	2.76 ± 0.29	2.70	2.75	3.45	3.36	3.08	2.21
iC5 iso-Pentane (vol%)	1.99 ± 0.83	1.33	1.44	1.88	1.74	2.59	4.03
nC5 n-Pentane (vol%)	2.49 ± 0.90	1.68	1.82	2.24	2.14	3.13	4.57
C6 Hexanes (vol%)	6.20 ± 1.03	5.38	5.51	5.97	6.04	7.69	8.20
C7 Heptanes (vol%)	6.05 ± 0.78	5.40	5.53	5.95	5.98	7.74	7.01
C8 Octanes (vol%)	5.78 ± 0.50	5.57	5.78	5.93	6.10	7.59	6.07
C9 Nonanes (vol%)	4.15 ± 0.40	4.19	4.51	3.91	4.63	5.49	3.80
C10 Decanes (vol%)	2.00 ± 0.22	1.94	1.98	2.01	2.13	2.48	1.70

Component by GC/FID	Five Year Average	2025-11-08	2025-07-02	2025-01-10	2024-12-08	2024-10-24	2024-09-15
Benzene (vol%)	0.54 ± 0.10	0.66	0.62	0.59	0.62	0.54	0.38
Toluene (vol%)	0.89 ± 0.16	0.96	0.84	0.92	0.95	1.07	0.83
Ethylbenzene (vol%)	0.39 ± 0.08	0.52	0.49	0.42	0.48	0.42	0.22
Xylenes (vol%)	0.64 ± 0.12	0.56	0.49	0.72	0.64	1.02	0.88

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

Medium Sour Blend

Stream Description

Most Recent Sample Details

Last Six Sample Data

Enbridge Pooled Crude Quality Specification

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