WTI-Cushing

Stream Description

The West Texas Intermdiate (WTI) designation is often used interchangeably with Domestic Sweet Crude Oil. The latter is a fully blended aggregate of many streams, not all of which originate from west Texas. Historical WTI-Cushing test results are included for comparison purposes only, and are limited with respect to light ends and distillation data.

Most Recent Sample Details

Batch: DSW-205 --- Date: November 17, 2018 --- Sample Location: Cushing

Other than reduced pentanes the November 11th sample of WTI at Cushing was consistent with historical averages. Typical merged simulated distillation results are included.

Last Six Sample Data

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Property (unit)	Most Recent: 2018-11-17	6 Month Average	1 Year Average	5 Year Average
Density (kg/m³)	815.5	817.2	817.1	818.2
Gravity (°API)	41.8	41.5	41.5	41.3
Sulfur (wt%)	0.41	0.40	0.40	0.40
Micro Carbon Residue (wt%)	1.62	1.72	1.86	1.78
Total Acid Number (mgKOH/g)	0.15	ND	ND	ND
Nickel (mg/kg)	5.3	4.6	4.8	5.0
Vanadium (mg/kg)	14.2	12.8	14.1	14.6

Component by GC/FID	Most Recent: 2018-11-17	6 Month Average	1 Year Average	5 Year Average
C3- (vol%)	0.82	0.84	0.88	0.51
iC4 iso-Butane (vol%)	0.40	0.45	0.47	0.44
nC4 n-Butane (vol%)	1.69	1.93	2.05	1.93
iC5 iso-Pentane (vol%)	1.41	1.58	1.68	1.70
nC5 n-Pentane (vol%)	2.09	2.45	2.65	2.62
C6 Hexanes (vol%)	4.44	4.49	4.59	4.71
C7 Heptanes (vol%)	7.46	7.39	7.39	7.86
C8 Octanes (vol%)	7.35	5.80	5.62	6.08
C9 Nonanes (vol%)	3.26	3.22	3.13	4.05

Component by GC/FID	Most Recent: 2018-11-17	6 Month Average	1 Year Average	5 Year Average
Benzene (vol%)	0.21	0.24	0.23	0.22
Toluene (vol%)	0.59	0.66	0.69	0.67
Ethylbenzene (vol%)	0.22	0.17	0.13	0.12
Xylenes (vol%)	0.71	0.78	0.73	0.76

Property	Most Recent: 2018-11-17	6 Month Average	1 Year Average	5 Year Average
Lightends [220°F-] (mass%)	15.4	16.0	16.4	16.9
50% Point (°F)	556.5	559.4	560.5	541.8
Residue [1020°F+] (mass%)	16.7	16.3	16.7	14.8

Mass % Recovered by ASTM D7169	Most Recent: 2018-11-17 (°C)	5 Year Average (°C)	Most Recent: 2018-11-17 (°F)	5 Year Average (°F)
IBP	-11.7	-26.9	10.9	-16.4
5	60.3	39.8	140.5	103.6
10	80.7	79.5	177.3	175.1
20	125.7	121.2	258.3	250.2
30	175.8	171.6	348.4	340.9
40	233.4	226.5	452.1	439.7
50	291.4	283.2	556.5	541.8
60	353.4	342.9	668.1	649.2
70	424.8	412.3	796.6	774.1
80	509.7	494.5	949.5	922.1
90	650.6	621.7	1,203.1	1,151.1
95	---	660.3	---	1,220.5
99	---	690.9	---	1,275.6

Property (units)	Five Year Average	2018-11-17	2018-10-03	2018-09-01	2018-08-31	2018-07-27	2018-07-02
Density (kg/m³)	818.2 ± 2.4	815.5	822.2	816.8	817.0	816.0	818.2
Gravity (°API)	41.3 ± 0.5	41.8	40.4	41.6	41.5	41.8	41.3
Sulfur (wt%)	0.40 ± 0.01	0.41	0.41	0.39	0.41	0.39	0.39
Micro Carbon Residue (wt%)	1.78 ± 0.19	1.62	2.08	1.88	1.83	1.52	1.77
Total Acid Number (mgKOH/g)	0.07 ± 0.03	0.15	0.10	0.10	0.10	ND	0.10
Nickel (mg/kg)	5.0 ± 0.8	5.3	5.3	4.4	3.7	3.0	4.1
Vanadium (mg/kg)	14.6 ± 2.4	14.2	14.6	10.8	12.6	9.4	11.9

Component by GC/FID	Five Year Average	2018-11-17	2018-10-03	2018-09-01	2018-08-31	2018-07-27	2018-07-02
C3- (vol%)	0.51 ± 0.27	0.82	0.72	0.88	0.83	0.96	0.85
iC4 iso-Butane (vol%)	0.44 ± 0.06	0.40	0.36	0.46	0.43	0.57	0.42
nC4 n-Butane (vol%)	1.93 ± 0.25	1.69	1.52	2.01	1.94	2.52	1.79
iC5 iso-Pentane (vol%)	1.70 ± 0.16	1.41	1.29	1.58	1.75	2.03	1.45
nC5 n-Pentane (vol%)	2.62 ± 0.27	2.09	1.89	2.48	2.77	3.13	2.25
C6 Hexanes (vol%)	4.71 ± 0.31	4.44	4.05	4.63	4.68	5.72	4.08
C7 Heptanes (vol%)	7.86 ± 0.69	7.46	7.02	7.68	7.70	9.12	6.68
C8 Octanes (vol%)	6.08 ± 0.84	7.35	5.66	5.81	5.85	7.41	4.87
C9 Nonanes (vol%)	4.05 ± 1.17	3.26	2.38	3.64	3.61	3.85	2.94

Component by GC/FID	Five Year Average	2018-11-17	2018-10-03	2018-09-01	2018-08-31	2018-07-27	2018-07-02
Benzene (vol%)	0.22 ± 0.03	0.21	0.19	0.25	0.21	0.32	0.22
Toluene (vol%)	0.67 ± 0.16	0.59	0.53	0.69	0.63	0.94	0.62
Ethylbenzene (vol%)	0.12 ± 0.04	0.22	0.19	0.22	0.21	0.28	0.09
Xylenes (vol%)	0.76 ± 0.14	0.71	0.62	0.86	0.81	1.18	0.71

Property (units)	Five Year Average	2018-11-17	2018-10-03	2018-09-01	2018-08-31	2018-07-27	2018-07-02
Lightends [220°F-] (mass%)	16.9 ± 1.2	15.4	14.5	16.3	16.7	20.4	14.5
50% Point (°F)	541.8 ± 26.8	556.5	578.1	540.3	536.7	486.9	581.2
Residue [1020°F+] (mass%)	14.8 ± 2.7	16.7	17.1	14.6	14.9	9.7	17.2

Custom Cut Input
°C °F
Cut Name	Start Temperature	End Temperature
	IBP
	220
	650
	1020

WTI-Cushing

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Last Six Samples for WTI-Cushing