... characteristics of the fluids and flow behaviour, are discussed. Significant challenges remain for flow assurance before it can predict all aspects of fluid and flow behaviour sufficiently accurately for risk management in all applications. Opportunities exist in oil and gas field development projects...

... Annular flow is one of the most observed flow patterns in oil and gas production systems, thus understanding annular flow characteristics is of great importance. When gas flow velocity is low, depending on the rate of liquid, annular flow transitions to slug flow and an annular/pseudo-slug flow...

... allows not only for faster interventions when compared to conventional ESP (inside the well), but also admit ESP workover without interrupting production (by using gas-lift as a contingence). On the other hand, Pumping Modules ( MoBo ) have inherent constructive characteristics that may lead to a great...