1. Multiphase flow of gas, oil and water through vertical strings with application to the design of gas lift installation;Poettmann,1952
2. Average volumetric concentration in two-phase flow systems;Zuber;J. Heat Transf.,1965
3. Vertical two-phase steam-water flow in geothermal wells;Gould;J. Petroleum Technol.,1974
4. Effect of wellhead parameters and well scaling on the computed downhole conditions in cerro prieto wells;Goyal,1980
5. Welbore User's Manual;Miller,1980