GUIDE TO WORLD CRUDES: New development plans prompt Peregrino assay update
Statoil has published an updated crude oil assay for its Peregrino field, which began producing second-quarter 2011 from licenses BMC-7 and BMC-47 in 100 m of water 53 miles off Brazil in the Campos basin (OGJ Online, Apr. 11, 2011).
Operated by Statoil (60%) in partnership with China's Sinochem Group (40%), Peregrino field produces about 100,000 b/d of heavy, high-sulfur, high-viscosity crude oil (OGJ Online, Apr. 15, 2011).
Plans to develop a second phase of the field are under way, with a final investment decision on the project due by yearend 2014, according to a Feb. 20, 2014, release from Statoil Brazil.
Whole crude
Density at 60° F.: 0.976
 API gravity at 60/60° F.: 13.4
 UOP K factor: 11.8
 Total sulfur, wt %: 1.890
 Mercaptan sulfur, ppm: 55.0
 Total nitrogen, ppm: 7,042
 Basic nitrogen, ppm: 1,878
 Total acid no., mg KOH/g: 0.92
 Reid vapor pressure, kPa: 0.5
 Vis. at 77° F., cst: 27,088
 Vis. at 100° F., cst: 6,361
 Vis. at 130° F., cst: 1,392
 Paraffins, vol %: 30.8
 Naphthenes, vol %: 16.2
 Aromatics, vol %: 53.0
 Pour point, °F.: 54
 Wax, wt %: 0.9
 Asphaltenes, wt %: 17.2
 Micro carbon residue, wt %: 12.7
 Rams. carbon residue, wt %: 12.0
 Vanadium, ppm (wt): 37.2
 Nickel, ppm (wt): 23.6
 Iron, ppm (wt): 3.9
 i-C4, wt %: 0.05
 n-C4, wt %: 0.08
 i-C5, wt %: 0.06
 n-C5, wt %: 0.05
 C5H10, wt %: 0.02
 C6 paraffins, wt %: 0.26
 C6 naphthenes, wt %: 0.17
 C7 paraffins, wt %: 0.34
 C7 naphthenes, wt %: 0.24
 C7H7, wt %: 0.04
Atmospheric distillation
Pentanes to 150° F.
Yield on crude, wt %: 0.2
 Yield on crude, vol %: 0.3
 Cumulative yield, wt %: 0.3
 Density at 60° F.: 0.658
 API gravity at 60/60° F.: 83.6
 Sulfur, wt %: 0.005
 Mercaptan sulfur, ppm: 0.1
 Total acid no., mg KOH/g: 0.04
 RON (clear): 81.7
 MON (clear): 80.4
 Paraffins, vol %: 92.8
 Naphthenes, vol %: 7.2
 Hydrogen, wt %: 16.3
150-210° F.
Yield on crude, wt %: 0.5
 Yield on crude, vol %: 0.7
 Cumulative yield, wt %: 0.8
 Density at 60° F.: 0.716
 API gravity at 60/60° F.: 66.2
 Sulfur, wt %: 0.011
 Mercaptan sulfur, ppm: 1.5
 Total acid no., mg KOH/g: 0.11
 RON (clear): 55.0
 MON (clear): 52.7
 Paraffins, vol %: 60.5
 Naphthenes, vol %: 39.0
 Aromatics, vol %: 0.5
 Hydrogen, wt %: 15.4
210-300° F.
Yield on crude, wt %: 1.8
 Yield on crude, vol %: 2.4
 Cumulative yield, wt %: 2.6
 Density at 60° F.: 0.749
 API gravity at 60/60° F.: 57.4
 UOP K factor: 12.0
 Sulfur, wt %: 0.028
 Mercaptan sulfur, ppm: 17.6
 Total acid no., mg KOH/g: 0.17
 RON (clear): 53.9
 MON (clear): 50.9
 Paraffins, vol %: 54.4
 Naphthenes, vol %: 37.2
 Aromatics, vol %: 8.4
 Aniline point, °F.: 127.6
 Hydrogen, wt %: 14.6
300-400° F.
Yield on crude, wt %: 2.9
 Yield on crude, vol %: 3.6
 Cumulative yield, wt %: 5.5
 Density at 60° F.: 0.790
 API gravity at 60/60° F.: 47.5
 UOP K factor: 11.8
 Sulfur, wt %: 0.390
 Mercaptan sulfur, ppm: 29.3
 Total acid no., mg KOH/g: 0.07
 Vis. at 77° F., cst: 1.10
 Vis. at 100° F., cst: 0.91
 RON (clear): 45.3
 MON (clear): 44.0
 Paraffins, vol %: 46.7
 Naphthenes, vol %: 28.2
 Aromatics, vol %: 25.1
 Freeze point, °F.: -112
 Smoke point, mm: 24
 Cetane index: 40
 Naphthalenes, vol %: 0.2
 Aniline point, °F.: 125.5
 Hydrogen, wt %: 14.1
400-500° F.
Yield on crude, wt %: 4.6
 Yield on crude, vol %: 5.4
 Cumulative yield, wt %: 10.1
 Density at 60° F.: 0.838
 API gravity at 60/60° F.: 37.5
 UOP K factor: 11.6
 Sulfur, wt %: 1.020
 Mercaptan sulfur, ppm: 12.1
 Total nitrogen, ppm: 6
 Basic nitrogen, ppm: 3
 Total acid no., mg KOH/g: 0.04
 Vis. at 100° F., cst: 1.68
 Vis. at 130° F., cst: 1.31
 Pour point, °F.: -77
 Cloud point, °F.: -72
 Freeze point, °F.: -64
 Smoke point, mm: 19
 Cetane index: 41
 Naphthalenes, vol %: 2.1
 Aniline point, °F.: 126.5
 Hydrogen, wt %: 13.4
500-570° F.
Yield on crude, wt %: 4.3
 Yield on crude, vol %: 4.9
 Cumulative yield, wt %: 14.5
 Density at 60° F.: 0.866
 API gravity at 60/60° F.: 32.0
 UOP K factor: 11.5
 Sulfur, wt %: 1.230
 Mercaptan sulfur, ppm: 6.4
 Total nitrogen, ppm: 43
 Basic nitrogen, ppm: 35
 Total acid no., mg KOH/g: 0.15
 Vis. at 100° F., cst: 2.99
 Vis. at 130° F., cst: 2.16
 Pour point, °F.: -42
 Cloud point, °F.: -34
 Freeze point, °F.: -19
 Smoke point, mm: 16
 Cetane index: 44
 Naphthalenes, vol %: 4.2
 Aniline point, °F.: 130.7
 Hydrogen, wt %: 12.9
570-650° F.
Yield on crude, wt %: 5.7
 Yield on crude, vol %: 6.2
 Cumulative yield, wt %: 20.2
 Density at 60° F.: 0.890
 API gravity at 60/60° F.: 27.5
 UOP K factor: 11.5
 Sulfur, wt %: 1.470
 Total nitrogen, ppm: 435
 Basic nitrogen, ppm: 326
 Total acid no., mg KOH/g: 0.49
 Vis. at 100° F., cst: 5.86
 Vis. at 130° F., cst: 3.89
 Pour point, °F.: -4
 Cloud point, °F.: -1
 Cetane index: 46
 Naphthalenes, vol %: 5.8
 Aniline point, °F.: 137.2
 Hydrogen, wt %: 12.5
650-700° F.
Yield on crude, wt %: 3.7
 Yield on crude, vol %: 4.0
 Cumulative yield, wt %: 23.9
 Density at 60° F.: 0.912
 API gravity at 60/60° F.: 23.7
 UOP K factor: 11.4
 Sulfur, wt %: 1.550
 Total nitrogen, ppm: 1,390
 Basic nitrogen, ppm: 782
 Total acid no., mg KOH/g: 0.70
 Vis. at 100° F., cst: 13.10
 Vis. at 130° F., cst: 7.64
 Pour point, °F.: 23
 Cetane index: 47
 Aniline point, °F.: 142.5
 Hydrogen, wt %: 12.3
700°+ F.
Yield on crude, wt %: 76.1
 Yield on crude, vol %: 72.5
 Cumulative yield, wt %: 100.0
 Density at 60° F.: 1.024
 API gravity at 60/60° F.: 6.8
 UOP K factor: 11.3
 Sulfur, wt %: 2.140
 Total nitrogen, ppm: 9,147
 Basic nitrogen, ppm: 2,402
 Total acid no., mg KOH/g: 0.16
 Vis. at 130° F., cst: 809,334.00
 Vis. at 180° F., cst: 15,044.00
 Vis. at 210° F., cst: 2,732.00
 Pour point, °F.: 112
 Wax, wt %: 1.2
 Asphaltenes, wt %: 22.6
 Micro carbon residue, wt %: 16.7
 Rams. carbon residue, wt %: 15.8
 Vanadium, ppm (wt): 48.9
 Nickel, ppm (wt): 31.0
 Iron, ppm (wt): 5.1
Vacuum distillation
700-850° F.
Yield on crude, wt %: 14.9
 Yield on crude, vol %: 15.4
 Density at 60° F.: 0.941
 API gravity at 60/60° F.: 18.9
 UOP K factor: 11.4
 Sulfur, wt %: 1.480
 Total nitrogen, ppm: 2,404
 Basic nitrogen, ppm: 993
 Total acid no., mg KOH/g: 0.58
 Vis. at 130° F., cst: 35.00
 Vis. at 180° F., cst: 12.4
 Vis. at 210° F., cst: 7.67
 Pour point, °F.: 55
 Aniline point, °F.: 150.4
 Hydrogen, wt %: 11.9
 Wax, wt %: 0.7
850-950° F.
Yield on crude, wt %: 10.6
 Yield on crude, vol %: 10.7
 Density at 60° F.: 0.966
 API gravity at 60/60° F.: 14.9
 UOP K factor: 11.5
 Sulfur, wt %: 1.570
 Total nitrogen, ppm: 3,405
 Basic nitrogen, ppm: 1,199
 Total acid no., mg KOH/g: 0.23
 Vis. at 130° F., cst: 193.00
 Vis. at 180° F., cst: 40.9
 Vis. at 210° F., cst: 20.80
 Pour point, °F.: 76
 Aniline point, °F.: 159.1
 Hydrogen, wt %: 11.5
 Wax, wt %: 1.1
 Micro carbon residue, wt %: 0.1
 Rams. carbon residue, wt %: 0.1
950 - 1,050° F.
Yield on crude, wt %: 10.2
 Yield on crude, vol %: 10.0
 Density at 60° F.: 0.993
 API gravity at 60/60° F.: 11.0
 UOP K factor: 11.4
 Sulfur, wt %: 1.930
 Total nitrogen, ppm: 5,007
 Basic nitrogen, ppm: 1,671
 Total acid no., mg KOH/g: 0.07
 Vis. at 130° F., cst: 2,204.00
 Vis. at 180° F., cst: 214.0
 Vis. at 210° F., cst: 79.40
 Pour point, °F.: 87
 Aniline point, °F.: 165.3
 Hydrogen, wt %: 11.3
 Wax, wt %: 1.4
 Asphaltenes, wt %: 3.4
 Micro carbon residue, wt %: 1.9
 Rams. carbon residue, wt %: 1.4
 Vanadium, ppm (wt): 0.1
 Nickel, ppm (wt): 0.1
1,050° + F.
Yield on crude, wt %: 40.5
 Yield on crude, vol %: 36.4
 Density at 60° F.: 1.081
 API gravity at 60/60° F.: -0.6
 UOP K factor: 11.2
 Sulfur, wt %: 2.590
 Total nitrogen, ppm: 14,174
 Basic nitrogen, ppm: 3,420
 Vis. at 210° F., cst: 188,754,561
 Vis. at 275° F., cst: 361,194
 Pour point, °F.: 229
 Wax, wt %: 1.3
 Asphaltenes, wt %: 41.8
 Micro carbon residue, wt %: 30.9
 Rams. carbon residue, wt %: 29.4
 Vanadium, ppm (wt): 91.9
 Nickel, ppm (wt): 58.3
 Iron, ppm (wt): 9.7

