Production and processing systems are designed to operate, as much as possible, in a stable manner. Different multiphase flow regimes have different degrees of intermittency. Slug flow is characterized by the alternate passage of portions of liquid and gas pockets, which may induce large variations in liquid and gas flow rates and thereby compromisse the operability of the processing plant (separator flooding, cycling of compressor, etc). Slugs may also travel at high velocities, and long slugs may possess considerable momentum. This can compromise mechanical integrity of pipework and equipment, which can cause repeated repair and maintenance costs or even lead to catastrophic events.