Abstract:
Multiphase flow is a simultaneous movement of several immiscible
phases, such as gas, oil, water and solid particles, and it is observed in petroleum
industry in a wide area of operations. The most expected flow conduit are
cylindrical pipes, however there are areas of application where multiphase flow
takes place in annuli. Underbalanced drilling operations feature multiphase flow
of gas-liquid phases in annuli, and there are a lot of models for this type of flow.
However there is lack of data on oil-water flow in horizontal annuli.