... used to investigate gas-liquid behaviour in vertical co-current upward flow, with the focus on the annular regime. The objective is to gain a sufficient understanding to produce new models of this regime. flow regime map production control liquid film reynolds number liquid velocity bhr...

... regime behaviour, emulsion viscosity, wall and interfacial shear stress for a stratified flow, etc. An assessment of the performance of the classical models of oil-water flow is conducted. reynolds number oil-water flow reservoir surveillance equation upstream oil & gas production...

... condition bubble velocity decrease viscosity production logging bubble shape fluid dynamics viscous flow reynolds number production control upstream oil & gas experiment production monitoring reservoir simulation drift velocity analytical solution liquid velocity bubble velocity...

... reynolds number mixture velocity bypass pig pig velocity idelchik correlation bypass area holdup wall function liquid holdup production control pressure drop coefficient production monitoring simulation upstream oil & gas pipeline pigging bypass reservoir surveillance...