Meet compression train base package design requirements for FPSOs—Part 2

E. ABRAHAM and H. MILLER, Dresser-Rand, a Siemens Power & Gas company, Olean, New York Floating production, storage and offloading (FPSO) vessels are used throughout the world for the processing of oil and gas, for oil storage and for offloading to a tanker or through a pipeline. FPSOs can be subject to high winds and accelerations from the pitch, roll and heave of the sea. Continued safe operation of onboard equipment under both normal and adverse conditions is essential. In Part 1 of this article (Gas Processing, September/October), the worldwide distribution of FPSOs, typical applications and base designs were discussed. As shaft-end relative displacement criteria are shown to be mo