Topside Equipment

The topside and subsea portions of the PGS OptoSeis® system are connected through a riser umbilical. This can be retrofitted as a stand-alone trunk line, or integrated within an electrohydraulic production umbilical in new field developments. Support infrastructure such as power, HVAC, and optical deck cables can utilize existing platform capacity, or be integrated into the OptoSeis topside system for independent operation.

OptoSeis topside equipment rack

Lasers in the OptoSeis topside system provide source light into the subsea sensor arrays, while sophisticated Optoelectronics collect, demultiplex, and perform high-speed digitization of returned seismic signals.

OptoSeis is designed for low power consumption and minimal footprint. The topside solution uses standard rack-and-stack cabinets that accommodate over 16 000 seismic channels in just 1.5 m2. Our containerized OptoSeis topside solution houses up to 50 000 seismic channels and can be delivered with integrated HVAC and work stations in a single 20ft ISO container. 

Scalable up to one million channels and easily adaptable to instrument rooms, turrets, and containers, OptoSeis is a truly flexible topside solution.

Fully networked and ready for onshore or remote operation, OptoSeis topside systems offer real-time system integrity checks, array-performance monitoring, seismic-hazard monitoring, and shot-by-shot data transfer.