[1]. Rai R., Singh I., and Srinl-vasan S., “Comparison of multiphase-flow correlations with measured field data of vertical and deviated oil wells in india,” SPE Production Engineering, pp. 341-348, 1989.##
[2]. Fevang P., Fossmark M. G., Kulkarni K. N., Lauritsen H. T., and Skjaeveland S. M., “Vertical lift modeles substantiated by statfjord field data,” SPE 154803, 2012.##
[3]. Bilgesu H. I. and Ternyik J., “A new multi-phase flow model for horizontal, inclined, and vertical pipes,” SPE 29166., 1994.##
[4]. Takacs G., “Considerations on the selection of an optimium vertical multiphase pressure drop prediction model for oil wells,” SPE 68361 Production and Operation., 2001.##
[5]. Fancher G. H., Jr. and Brown K. E., “Prediction of pressure gradients for multiphase flow in tubing,” Soc. Pet. Eng. J., pp. 59-69, 1963.##
[6]. Poettman F. H. and Carpenter P. G., “The multiphase flow of gas, oil and water through vertical flow strings with application to the design of gas-lift installations,” Drill. and Prod. Prac., pp. 257-317, 1952.##
[7]. Baxendell P. B. and Thomas R., “The calculation of pressure gradients in high-rate Flowing wells,” J.Pet.Tech., Trans. AIME, Vol. 222, pp. 1020-1028, 1961.##
[8]. Brill J. P. and Mukherjee H., “Multiphase flow in wells.,” Monogrph Series, SPE, Richardson, Teax, 1999.##
[9]. Hagedorn A. R. and Brown K. E., “Experimental study of pressure gradient occurring during continuous two-phase flow in small diameter vertical conduits,” J. Pet.Tech., pp. 475-484, 1965.##
[10]. Aziz K., Govier G .W., and Fogarasi M., “Pressure drop in wells producing oil and gas,” JCPT., pp. 38-47, 1972.##
[11]. Brill J. P. and Beggs H. D., Two-phase flow in pipes, 6th Edition, Third Printing., 1991.##
[12]. Duns H. J. and Ros N. C. J., Vertical flow of gas and liquid mixtures in wells, Proceedings of the 6th World Petroleum Congress, pp. 451-465, 1963.##
[13]. Mukherjee H. and Brill J. P., “Empirical equations to predict flow patterns in two-phase inclined flow,” Intl. J. Multiphase Flow, 11., pp. 299-315, 1985.##
[14]. Ansari A. M., Sylvester N. D., Sarica C., Shoham O. and Brill J. P., “A comprehensive mechanistic model for upward two-phase flow in wellbores,” SPE 20630, Presented at the SPE 65th Annual Meeting, New Orleans, September, 1990, SPE Production Engineering., Vol. 297, pp. 143-152, 1994.##
[15]. Hasan A. R. and Kabir C .S., “A study of multiphase flow behavior in vertical wells,” SPE Production Engineering, Vol. 285, pp. 263-272, 1988.##
[16]. ##Chokshi R. N., Schmi=dt Z., and Doty D. R., “Experimental study and the development of a mechanistic model for two-phase flow through vertical tubing,” SPE 35676, Presented at the Western Regional Meeting, Alaska, 1996. [17]. Ozon P. M., Ferschneider G., and Chwetzoff A., “A new multiple flow model predicts pressure and temperature profiles,” SPE 16535 Presented at Offshore Europe 87, Aberdeen, 1987.##
[18]. Zhang H. Q., Wang Q., Sarica C., and Brill J. P., “Unified model for gas-liquid pipe flow via slug dynamics—Part 1: model development,” Trans. ASME, Journal of Energy Resources Technology, pp. 266-273, 2003##
[19]. Khasanov M., Krasnov V., Pashali A., and Guk V., “A Simple Mechanistic Model for Void-Fraction and Pressure-Gradient Prediction in Vertical and Inclined Gas/Liquid Flow,” SPE 108506. pp. 165-171, 2008.##
[20]. Taitel Y., Bornea D., and Dukler A. E., “Modelling flow pattern transition for steady upward gas liquid flow in vertical tubes,” AIChE J., Vol. 26, No. 3, pp. 345-354, 1980.##
[21]. Taitel Y. and Dukler A. E., “A model for predicting flow regime transitions in horizontal and near horizontal gas-liquid flow,” AIChE J., Vol. 22, No. 1, pp. 47-55, 1976.##
[22]. Barnea D., Shoham O. and Taitel Y., “Gas-liquid flow inclined tubes: flow pattern transitions for upward flow,” Chem. Eng. Sci., Vol. 40, No .1, pp. 131-136, 1985.##
[23]. Barnea D., “A unified model for predicting flow pattern transitions for the whole range of pipe inclinations,” Int. J. Multiphase Flow., Vol. 13, No. 1, pp. 1-12, 1987.##
[24]. Govier G. W. and Fogarasi M., “Pressure drop in wells producing gas and condensate,” Canadian Petroleum Technology., Vol. 14, No. 44, p. 28, 1974.##
[25]. Hasan A. R. and Kabir C. S. , “Simplified wellbore-flow modeling in gas/condensate systems,” Paper SPE 89754 Presented at the Asia Pacific Conference on Integrated Modeling for Asset Management, Kuala Lumpur, Malaysia, 2006.##
[26]. Peffer J. W., Miller M. A., and Hill A. D., “An improved method for calculating bottomhole pressure in gas wells with liquid present,” SPE, p. 643, 1988.
[27]. Eissa M., Kumar A., Zaouali Z., Chaabouni H., Al-Ghadbhan H., and Kadhim F., “Integrated workflow to evaluate and understand well performance in multi layer mature gas reservoirs,” Bahrain Case Study, SPE 164356, 2013.
[28]. Schlumberger, Pipesim ver. 2008.1, User Manual. 2008.
[29]. PetroleumExperts, Prosper Single Well Systems Analysis User Guide. ver. 7.51 2002.
)