Petalas, N., and Aziz, K., "A Mechanistic Model for Multiphase Flow in Pipes," Proceedings of the 49th Annual Technical Meeting of the Petroleum Society of the Canadian Institute of Mining, Metallurgy and Petroleum, Calgary, Alberta, June 8-10, 1998.

Ouyang, L.B., Petalas, N., Arbabi, S., Schroeder, D.E., and Aziz, K., "An Experimental Study of Single- Phase and Two-Phase Fluid Flow in Horizontal Wells," SPE 46221, Proceedings of the SPE Western Regional Meeting, Bakersfield, California, 10-13 May, 1998

Petalas, N., and Aziz, K., "A Mechanistic Model for Stabilized Multiphase Flow in Pipes," Report for the Stanford Reservoir Simulation Industrial Affiliates and the Stanford Project on the Productivity and Injectivity of Horizontal Wells, Petroleum Engineering Department, Stanford University, August, 1997.

Petalas, N., and Aziz, K., "Development and Testing of a New Mechanistic Model for Multiphase Flow in Pipes," Proceedings of the ASME Fluids Division Summer Meeting, Volume 1, FED-Vol. 236, pp. 153-159, July, 1996.

Petalas, N., and Aziz, K., "Development and Testing of Mechanistic Models for Multiphase Flow in Pipes - Phase I: A Preliminary Approach for Stabilized Flow at All Inclinations," Report for the Stanford Reservoir Simulation Industrial Affiliates and the Stanford Project on the Productivity and Injectivity of Horizontal Wells, Petroleum Engineering Department, Stanford University, April, 1996.

Aziz, K., Fayers, J., Arbabi, S., and Petalas, N., "Opportunities for Improvements in Oil and Gas Production with Horizontal Wells," Special publication of the Technology Research Center, JNOC, pp. 77-89, No. 4, 1994.

Aziz, K., and Petalas, N., "New PC-based Software for Multiphase Flow Calculations," SPE 28249, Proceedings of the SPE Petroleum Computer Conference, Dallas, Texas, July 31-August 3, 1994, pp. 271-280.

Petalas, N., and Aziz, K., "Stanford Multiphase Flow Database - User’s Manual," Version 0.2, Petroleum Engineering Department, Stanford University.

Aziz, K., and Petalas, N., "Fluid Flow in Pipes and its Applications to Oil and Gas Field Development and Transportation," Notes for Short Course, Dhahran, April 2-6, 1994, Petroleum Engineering Department, Stanford University.