For decades, developing an offshore field almost automatically meant one thing: build a massive surface platform. Today, that assumption is rapidly changing. The first question many operators now ask is no longer: “How large should the platform be?” but rather: “Can the field be developed without a conventional platform at all?” This is where the concept of the Subsea Factory begins. 🚀 Modern subsea developments are no longer limited to wells, trees, and flowlines. A growing portion of the production system is being transferred directly to the seabed, including: Subsea Separation Multiphase Boosting Subsea Compression Water Reinjection All-Electric Control Systems Long-Distance Tiebacks In other words, subsea systems are evolving from simple transportation infrastructure into fully integrated processing and production facilities operating on the seafloor. From a technical and economic perspective, the shift is logical. In deepwater developments, conventional surface platforms i...
Subsea Manifold Design – The Complete 2025 Engineering Guide Subsea manifolds are the heart of every subsea production system. They gather well fluids, distribute flow, support pigging operations, interface with umbilicals, and manage valves—making them one of the most critical subsea components in deepwater field development. This guide breaks down exactly how manifolds are designed, engineered, analyzed, and installed—based on the Subsea Engineering Handbook and real offshore practice. What Is a Subsea Manifold? A subsea manifold is a structural and piping assembly placed on the seabed to collect production from wells and distribute it into pipelines. It also provides interfaces for valves, pigging loops, flow measurement, ROV intervention, and hydraulic/electrical control systems. According to the Subsea Engineering Handbook, a manifold is an arrangement designed to combine, distribute, and control fluid flow in a subsea system. Key Components of a Subsea Manifold Drawing from Chap...