1. An experimental investigation of the motion of long bubbles in inclined tubes;Bendiksen;Int. J. Multiph. Flow,1984
2. Velocities of extended bubbles in inclined tubes;Weber;Chem. Eng. Sci.,1986
3. Predicting multiphase flow behavior in a deviated well;Hasan;SPE Prod. Eng.,1988
4. Universal correlation for the rise velocity of long gas bubbles in round pipes;Viana;J. Fluid Mech.,2003
5. Effects of high oil viscosity on drift velocity for upward inclined pipes;Gokcal,2008