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2. Firoozabadi, A., Ottesen, B., & Mikkelsen, M. December 1992, “Measurement of Supersaturation and Critical Gas Saturation,” SPE Formation Evaluation, 337–344.
3. Huerta, M., Otero, C., Rico, A., Jimenez, I., De Mirabal, M. & Rojas, G. October 6-9, 1996. “Understanding Foamy Oil Mechanisms for Heavy Oil Reservoirs during Primary Production,” paper SPE 36749, presented at the 1996 SPE Annual Technical Conference and Exhibition, Denver, Colorado, 671–685.
4. Joseph, D. D. and Renardy, Y. 1992. Fundamentals of Two-Fluid Dynamics, Vol. I: Mathematical Theory and Applications, Vol. II: Lubricated Transport, Drops and Miscible Liquids, Springer.
5. Kraus, W. P., Mccaffrey, W. J., & Boyd, G. W. 1993. “Pseudo-Bubble Point Model for Foamy Oils,” paper CIM 93-94 presented at the 44th Annual Technical Conference of the Petroleum Society of CIM, Calgary, AB, May 9-12.