December 2021, Vol. 248, No. 12


Advancing Design for Pipeline Slug Catchers

By Hooman Tabaraei, Process Specialty Engineer  Slug catchers are used at the terminus of large gas condensate transmission pipelines to catch large slugs of liquid, to hold these slugs temporarily, and to allow them to follow into downstream equipment and facilities at a rate at which the liquid can be properly handled.    It provides temporary storage for any surges (slugs) in liquid flows and roughly separates the gas from the liquids. These are vessel, manifold pipe, and parking loop (a combination of vessel and manifold pipe) types of slug catchers.   A pipe-type slug catcher consists of several long pieces of pipes, which together form the buffer volume to store the largest slugs ex

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