D. Lanier, Heavy oil-a major energy source for the 21 st century. 7 th Unitar Heavy Crude & Tar Sands Int, Conf, 1998.

J. M. Gerez, Heavy oil transportation by pipeline, 1996.

E. Guevara, J. Gonzalez, and G. Nuñez, Highly viscous oil transportation methods in the Venezuela oil industry, Proceedings of the 15 th World Petroleum Congress, pp.495-501, 1998.

R. F. Meyer, World heavy crude oil resources, Proceedings of the 15 th World Petroleum Congress, pp.459-471, 1998.

G. A. Nunez, H. J. Rivas, and D. Joseph, Drive to produce heavy crude prompts variety of transportation methods. Oil & Gas journal, pp.59-67, 1926.

B. Yaghi and A. Al-bemani, Heavy crude oil viscosity reduction for pipeline transportation. Energy sources, vol.24, pp.93-102, 2002.

I. N. Evdokimov, D. Eliseev, . Yu, N. Eliseev, and . Yu, Negative viscosity anomaly in liquid petroleum after heat treatment, Chemistry and Technology of fuels and oils, vol.38, pp.171-177, 2002.

J. C. Charlos, J. L. Courdec, and J. F. Page, Heavy oil processing, a synthesis of the ASVAHL results, in: E.C. 3 rd European community symposium on new technologies for the exploration and exploitation of oil and gaz resources, Proceeding, 1988.

G. Crandall and T. Wise, Availability of diluent may inhibit heavy oil exports, 1984.

D. Rimmer, A. Gregoli, J. Hamshar, and E. Yildivim, Pipeline emulsion transportation for heavy oils, Emulsions in the Petroleum Industry, vol.8, pp.295-312, 1992.

R. Layrisse, Viscous hydrocarbon-in-water emulsions, US Patent, vol.4, p.478, 1998.

D. Joseph, R. Bai, K. P. Chen, and R. Renardy, Core annular flows, Annual Review of Fluid Mechanics, vol.29, pp.65-90, 1997.

D. Joseph and Y. Renardy, Fundamentals of Two Fluid Dynamics, 1993.

R. Oliemans and G. Ooms, Core annular flow of oil and water through a pipeline, vol.2, 1986.

S. Acevedo, M. A. Ranaudo, J. C. Pereira, J. Castillo, A. Fernández et al., Thermooptical studies of asphaltene solutions: evidence for solvent-solute aggregate formation, Fuel, vol.78, pp.997-1003, 1999.

H. Reerink and J. Lijzenga, Journal of the Institute of Petroleum, vol.59, pp.211-222, 1973.

E. Y. Sheu, D. A. Storm, and M. M. De-tar, Asphaltenes in polar solvents, Journal of Non-Crystalline Solids, pp.341-347, 1991.

I. K. Yudin, G. L. Nikolaenko, E. E. Gorodetskii, V. I. Kosov, V. R. Melikyan et al., Mechanisms of asphaltene aggregation in toluene-heptane mixtures, Journal of Petroleum Science and Engineering, vol.20, pp.297-301, 1998.

I. Hénaut, L. Barré, J. F. Argillier, F. Brucy, and R. Bouchard, Rheological and structural properties of heavy crude oils in relation with their asphaltenes content, Oilfield Chemistry, International Symposium of the Society of Petroleum Engineers, vol.65020, pp.13-16, 2001.

C. A. Shook and M. C. Roco, Slurry Flow, Principles and Practice, 1991.

E. J. Wasp, J. P. Kenney, and R. L. Gandhi, Solidliquid flow slurry pipeline transportation, 1979.