Finger-type Slug Catcher CFD Analysis

CFD calculations have been used to determine the best header layout for a finger type slug catcher, so as to evenly distribute the flows over the different fingers. Downstream of the header the two-phase flow in the finger pipe of a finger-type slug catcher can be analyzed using CFD techniques. When the fluid flow in the inlet header manifold is evenly distributed among the different fingers, it is necessary to obtain stratified flow to promote liquid separation. The two-phase flow in the separation section is simulated to study the amount of liquid at the intersection with and through the gas riser, which is critical in flow assurance. Problems typically occur when velocities become too high and the flow is too turbulent. This could result in gas carrying liquid from the storage section back through the gas riser.

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Slug catcher