Manufacturer of centrifugal pumps and associated equipment Amarinth has delivered a complex skid package, including an API 610 OH2 pump for a water treatment package to be used on the Mariner platform in the North Sea.
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The Mariner field is located 140km from the Shetland Islands, UK. At a depth of 110m under water, it is one of the country's underdeveloped oil locations.
The required skid package carried the specification of 3.6m x 1.5m skid to house the pump, seal support system and all relevant pipework, monitoring and other associated equipment.
The package required the fulfilment of already-determined hook-up and piping termination points to the platform. Amarinth was also required to deliver the package within 38 weeks.
Amarinth planned the pump selection, packaging and design considerations based on the existing infrastructure. It involved complicated pipe work that should not generate excessive losses and ensure no loads or movement of existing pipe work on the platform. It also required serviceability maintenance around the skid package.
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By GlobalDataThe company used finite element analysis to assess the fixed pipe loads and its structural integrity.
Amarinth designed a sliding baseplate to prevent any movement from being transmitted to the connecting pipe work during pump start-up, operation and shutdown. It was designed using a PTFE layer in the baseplate.
The package included a flow meter and low-flow bypass control valve to protect the pump during low-flow situations, as well as heat tracing installed for frost protection.
The final ‘plug-and-play’ skid package was augmented with a unique lifting frame designed to withstand the stresses involved in correctly positioning the skid in the water treatment package on the platform. The company claimed to deliver it within the stipulated time.
Amarinth managing director Oliver Brigginshaw said: “Our willingness to look at the most demanding of problems, combined with our engineering agility to design bespoke skid packages on short lead times, ensured that we were able to deliver a pumping solution that met all of the challenging criteria for this water treatment package within the timescales required, enabling the overall project schedule to be maintained for the end-user.”
Image: Amarinth API 610 pump skid package ready for delivery to the Mariner platform. Photo: Courtesy of Amarinth.com
