Patent ID: 7048058

Claim:
A subsea system for separating a multiphase fluid emanating from one or more subsea wells, comprising a foundation structure secured to the seabed, the subsea system comprising: a header piping module adapted to be mounted to the foundation structure, said header piping module comprising at least one inlet for receiving fluid to be processed by the subsea system, a separator piping module adapted to be removably mounted to the header piping module, said separator piping module comprising a separator vessel for gravitational separation or intermediate settlement of the multiphase fluid, said separator piping module further comprising a piping system for interconnecting different processing appliances of the system, the piping system being arranged to be in fluid communication with the inlet of the header piping module when the separator piping module is mounted to the header piping module, and one or several insert modules, each of which comprising a processing appliance of the subsea system and being adapted to be removably mounted to the separator piping module.