I think you mean VERY heavy.
Tip:
The flow properties of crude petroleum having an API gravity varying from about 6 to 12 are improved by heating the crude petroleum to a temperature of about 35°C to 200°C and, in the presence of a suitable viscosity reducing additive, shearing the heated crude petroleum with a high shearing force sufficient to reduce the viscosity of the crude petroleum to a range of about 250 centipoise (cP) to about 1000 cP. Suitable viscosity reducing additives include gasoline, naphtha, butanol, petroleum ether, diesel fuel, citrus oil based cleansers and degreasers, and mixtures thereof.
Blending:
In general, the amount of viscosity reducing additive can vary from about 15 weight % to about 50 weight %, and preferably about 20 weight % to 35 weight %, of the petroleum crude. About 20 weight % to 35 weight % of gasoline and/or light naphtha is sufficient to reduce the viscosity of the petroleum crude to less than about 600 cP to less than about 400 cP at 35°C.
Heat Capacity 0.47 Btu/Lbm-F
Be careful with these. There can be a lot of variance.
API gravity at 60/60°F
°API 21.3 18.3 15 14.1 14.8 11 9.3 4.5
40°C cSt 40.3 370 850 12000 2640 3000 19000 8.56E+12
50°C cSt 25.3 181 3900 1030 3.11E+11
60°C cSt 16.9 99.0 1500 470 700 6.24E+08
100°C cSt 5.22 18.2 45 125 55.4 252 163000
135°C cSt 2.64 7.15 33.7 18.5 5595
180°C cSt 0.00 11.2 7.32 475
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"Pumping accounts for 20% of the world’s energy used by electric motors and 25-50% of the total electrical energy usage in certain industrial facilities."-DOE statistic (Note: Make that
99% for pipeline companies)