Technofrigo by Clauger's Process, Gas, and Energy (PGE) team engineered a retrofit refrigeration solution for an offshore natural-gas drilling and production platform in the North Sea. The project required replacing aging centrifugal compressor technology with a compliant refrigerant system meeting stringent European F-gas regulations — all within the severe space, weight and logistical constraints of an offshore environment.
An independent global energy company operating in the United States, Europe and Africa, focused on unconventional resource utilisation. The client required timely installation of a replacement refrigeration package that would deliver performance, cost savings and maintenance advantages over the existing system.
The type of refrigerant directly affects mandatory periodic check frequency. For offshore installations with significant maintenance and repair constraints, selecting a compliant refrigerant with extended inspection intervals is critical to operational efficiency and cost control.
We replaced the existing centrifugal compressor technology with an oil-flooded screw compressor and flooded evaporator — a relatively new application of flooded technology that delivered multiple advantages.
Meets stringent European F-gas regulations with compliant low-GWP refrigerant.
>99% system availability minimises production disruptions on a critical offshore platform.
Three-year service period dramatically reduces offshore maintenance requirements and costs.
Screw compressor technology delivers lower installation cost than centrifugal equivalent.
Fits within existing module constraints with reduced lifting requirements.
Demonstrates oil-flooded screw + flooded evaporator as a viable architecture for offshore retrofits.
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