... transient behavior slug flow cell size gas entrainment slug catcher simulation speed topside choke pipeline inlet slug hydrodynamic slug flow slug frequency maximum slug length fluid density slug body pressure drop Advances in modelling hydrodynamic slug flow in production systems T J...

... can be resolved. The slug fronts and tails are detected using threshold values of the holdup, and the respective closure relations are applied for control volumes within the slug body or the long bubble zone. The closures for the slug tail velocity and the gas entrainment at the slug front...

..., improved turbulence closures, and dispersion models for transport of drops and bubbles. These are essential for prediction of the onset of liquid accumulation in gas condensate pipelines. For light oil systems, the main research topics have been dynamic slug flow models including gas entrainment, oil-water...

... data to validate their models for gas distribution in stratified flow. gas entrainment upstream oil & gas liquid holdup production logging usl 0 entrainment usl 1 fraction liquid layer gas entrained fraction production control reservoir surveillance bara interface production...