FPSO Mooring Explained: Turrets, Risers & CALM Buoys | FPSO Course Ep 3

How is an FPSO held in place in 1,500 m of water? This lesson explains FPSO mooring systems — spread mooring vs internal and external turrets, flexible and steel catenary risers, and CALM buoys for offloading — from a 30-year offshore engineer. ▶ Subscribe for weekly offshore engineering lessons:    / @offshoreengineeringacademy   🚢 How Engineers Build a Floating Oil Refinery the Size of an Aircraft Carrier! | Complete FPSO EPCI Masterclass Welcome to the ultimate FPSO EPCI (Engineering, Procurement, Construction & Installation) Masterclass on YouTube! An FPSO (Floating Production, Storage & Offloading) vessel is a floating mega-refinery operating 200 km offshore—extracting multiphase fluids from deepwater wells, processing them on deck, storing crude in the hull, and offloading to shuttle tankers. This 12-chapter, 55-episode course bridges naval architecture, process systems, and international regulatory compliance. 🧠 Key Course Outcomes & Technical Standards: • Hull & Stability: Hydrostatic sizing, intact stability (GM min 0.5 m), and topsides weight growth. • Mooring & Geotechnics: API RP 2SK spreads (intact FOS 1.67, damaged 1.25), suction caissons, and API RP 2I. • Subsea & Risers: SCR and flexible risers, MEG hydrate loops, and DNV-ST-F101 / ASME B31.3. • Regulatory: IMO (SOLAS, MARPOL 15 ppm limit), Safety Cases, SCEs, and ICP verification. • Topsides Process: 3-stage separation (BS&W under 0.5%), hydrocyclones, IGF, TEG, and amine sweetening. • Piping & Materials: ASME B31.3 piping, pump NPSHa, and NACE MR0175 / ISO 15156 hardness (max 22 HRC). • Safety & Area Zoning: IEC 60079-10 Zones 0/1/2, Ex d/e/ia/p, SIL 2 / 2oo3 ESD, and A-60/H-120 barriers. • LSA & Logistics: 200% POB TEMPSC lifeboats, DP supply vessels, and CAP 437 helidecks. 🎬 Complete Playlist & Clickable Timestamps: How does a supertanker-sized vessel stay in position above an oil well in a storm? And how does multiphase fluid travel from the seabed to the FPSO without snapping in heavy seas? Module 2 covers the complete FPSO gathering system: mooring design to API 2SK, turret and swivel engineering, CALM buoy offloading, subsea pipelines, and flexible riser configurations. What you will learn: ▶ Single Point Mooring (SPM) vs. spread mooring — when and why ▶ API RP 2SK mooring design: survival case, damaged case, safety factors ▶ Anchor types: drag-embedded, driven pile, suction caissons ▶ Polyester rope and why it transformed deepwater mooring design ▶ Turrets and swivel stacks: enabling weathervaning with continuous flow ▶ CALM buoys and Gall Thomson breakaway couplings for safe shuttle tanker offloading ▶ Hydrate and wax management in subsea pipelines ▶ Flexible riser configurations: free-hanging, steep-S, lazy-S, wave ▶ API 17J and 17K unbonded and bonded flexible pipe construction ⏱ TIMESTAMPS 00:00 — Introduction 01:00 — 2.1.1 SPM vs Spread Mooring 04:30 — 2.1.2 API 2SK Mooring Design 07:00 — 2.1.3 Mooring Components: Chain, Polyester, Anchors 10:30 — 2.1.4 & 2.1.5 Installation and Maintenance 13:00 — 2.2.1 Turrets and Swivel Stacks 17:00 — 2.2.2 CALM Buoys and Emergency Release 20:00 — 2.3 Pipelines, Risers, and Flexible Pipe Construction 25:30 — Summary and Key Takeaways 📌 All course playlists:    / @offshoreengineeringacademy   🔔 Subscribe for the complete FPSO EPCI course — new modules released weekly. Connect: LinkedIn   / jojohtwe   | Website https://sgmarinehub.com/ #FPSO #OffshoreEngineering #OilAndGas