Drag reducing agents (DRA) are commonly used in the industry to increase pipelines' throughput by reducing the frictional pressure drop along the pipeline segment. The application of DRA has been primarily for single phase flow; however, a multiphase DRA was introduced and trial tested in an offshore gas-oil separation plant (GOSP) in Saudi Arabia to maximize the production of heavy oil from the GOSP without the need to flare the excess produced gas. This initiative was considered to avoid a major GOSP upgrade.

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