Optimizing subsea multiphase boosting station and controls ///

Subsea multiphase boosting is a robust, effective means of improving production from new or aging reservoirs. For optimum results, the overall production system should be considered when designing individual components. This includes interaction of the multiphase pumping station with the upstream and downstream flowlines, and well and topside processes. Presented in this article is the design of a subsea multiphase boosting system with integrated controls, covering key milestones toward system-level integration of all major processing equipment. To capture accurately the interactions between the subsea multiphase boosting station and the connected flowlines, a process simulator (K-Spice) is linked to a multiphase pipe flow simulation tool (LedaFlow), Fig. 1. This integrated solution is then linked to Matlab/Simulink software for development of control strategies.

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