ORIGIN AND OCCURRENCE OF OIL
61
Table 2.4 Comparison of the properties of Tar Sand Bitumen (Athabasca)
with the properties of conventional crude oil.
Property
Specific gravity
API gravity
Viscosity, cp
38°C/100°F
100°C/212°F
Pour point,°F
Elemental analysis (wt. %):
Carbon
Hydrogen
Nitrogen
Oxygen
Sulfur
Ash
Nickel (ppm)
Vanadium (ppm)
Composition wt. %)
Asphaltenes (pentane)
Resins
Aromatics
Saturates
Carbon residue (wt. %)
Conradson
Bitumen
(Athabasca)
1.01-1.03
5.8-8.6
750,000
11,300
>50
83.0
10.6
0.5
0.9
4.9
0.8
250
100
17.0
34.0
34.0
15.0
14.0
Crude Oil
0.85-0.90
25-35
<200
ca. -20
86.0
13.5
0.2
<0.5
<2.0
0.0
<10.0
<10.0
<10.0
<20.0
>30.0
>30.0
<10.0