Treatment of viscous crude oils

Details Treatment of viscous crude oils Treatment of viscous crude oils

1988-09-09

1990-04-10

Myers, Helane

Mineral oils: processes and products

Fractionation

Deasphalting

208 34, 208 45, 208188, 208370, 210708, 210709, 210729, C10C 300

Patent

active

049158198

ABSTRACT:
Asphaltenes and/or wax and/or water are removed from crude oil by contacting the crude oil with an organic solvent to dissolve the crude oil and precipitate asphaltenes and/or wax and separate the oil and water. Solvent is then separated from the deasphalted and/or dewaxed and/or dehydrated crude oil.
Removing asphaltenes, wax and/or water reduces the viscosity of the crude oil and it can then be transported, e.g. by pumping through a pipeline, with less expenditure of energy.

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