Completed Clean Energy Materials & Manufacturing

mJumper

In plain English

AI plain-English summary

A carbon fibre pipe is about to replace steel jumpers—the flexible connectors that link underwater oil and gas equipment on the seabed. Steel jumpers have grown enormous to cope with ocean currents, shifting seabeds, and the inevitable imprecision of deepwater installation. They corrode, require constant inspection from large, fuel-guzzling vessels, and must be replaced relatively often. The m-Jumper project aims to qualify a lightweight carbon fibre alternative that can be installed by a much smaller ship. That cuts installation time, vessel size, fuel burn, and overall cost. The composite material also lasts longer, slashing the need for maintenance voyages and reducing the environmental and financial toll of repairs and replacements. If this succeeds, the impact will be felt in the quiet machinery of global energy supply. Subsea infrastructure is invisible to most people, but its cost and carbon footprint are embedded in every barrel of oil produced. Lighter, longer-lasting jumpers mean fewer ship journeys, less steel manufacture, and lower operational emissions. The technology could also transfer to other offshore industries, such as floating wind or marine renewables, where durable, corrosion-resistant connectors are equally valuable.

View original technical description
This project will qualify a carbon fibre subsea jumper for deep water oil and gas production. Jumpers that connect the subsea infrastructure are key enablers for these projects. However existing steel products have become very large to accommodate the positional uncertainties, relative motion and environmental loading. Furthermore these products have limited life and require complex integrity management programmes leading to high costs and energy demands from vessel operations. The m-Jumper programme partners have identified an opportunity to qualify a standard lightweight carbon fibre jumper that can be installed by a much smaller installation vessel. This will reduce the installation time, the size and energy consumption of the vessel and the overall cost of the installation. The longevity of the composite jumper will increase the product lifetime, further reducing energy consumption from integrity management vessel operations as well as reducing the cost and impact of repair and replacement.

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