The paper describes the Rapid Gas Decompression (RGD) process and how it occurs in Subsea Boosting & Pumping Systems (SBPS). It describes potential subsea equipment damage and how it can be prevented, or reduced, by elements of equipment design, seal choice and equipment operational philosophies. While no SBPS is completely immune to RGD effects, there are known and industry proven steps that can be taken towards mitigating this phenomenon.
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