Case Studies

Metals Case Studies

Onshore Inventory Clearance

John Lawrie Metals were requested by an existing customer to assess, uplift, and recycle surplus historic inventory from a number of onshore locations.

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Banff & Kyle Sailaway Project

Working alongside the Client offshore recovery Teams, John Lawrie Metals, delivered a 92.5% recycling / repurpose rate for the decommissioning of the Banff & Kyle decommissioning project for Teekay, along with savings of six-days’ worth of vessel discharge time.

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Test Rig Decommissioning

John Lawrie Metals were requested by an existing customer to assess, downsize, uplift, and recycle two grouted steel offshore wind farm jacket pile test rigs with a total weight of 130te.

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Bluewater - 650Te Buoy

Measuring 11m in diameter at its base and 12.5m in height, the Disconnectable Turret Buoy (DTB) had been a key part of the subsea infrastructure of the Ettrick and Blackbird fields.

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Loch Duart Aquaculture - Fish Farm Pens

Farming different species of fish has a long history in the sea lochs off Scotland’s north-west coast. Challenging sea and weather conditions mean there is a need to regularly upgrade and replace the rearing pen infrastructure.

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Ithaca Energy - FPSO Mooring System

Upon cessation of production, all infrastructure associated with the Athena Field, which was located in the Outer Moray Firth, was scheduled for decommissioning.

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Centrica Energy - Subsea Items

The programme to decommission the Rose Field saw various subsea materials landed at the Port of Leith. This included a canopy that was too large for road transportation and required downsizing at the quayside, and a spool – fitted with sensors and valves – which was found to be NORM (naturally occurring radioactive materials) contaminated.

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BP - Subsea Clearance

Following all well plugging and abandonment activity undertaken as part of decommissioning the BP Miller Field, a range of items that formed part of its subsea infrastructure were lifted from the seabed.

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Premier Oil - Subsea Production Materials

Production from the Shelley Field ceased in 2010, and as part of the decommissioning programme a wide range of subsea materials were brought onshore for processing and recycling.

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Maersk Oil - Subsea Riser Bases

Four subsea riser bases from the Gryphon Field were brought onshore at Montrose Port for decommissioning, which involved the removal of concrete, size reduction and material recycling.

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Kishorn Dry Dock - MV Kaami

Having run aground six miles off the North West coast Skye in March 2020, the MV Kaami was deemed unfit for purpose and required taking ashore for dismantling.

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Flexible Flowlines

Many miles of flexible flowlines, risers and umbilicals play an important role in oil and gas production in the North Sea. During field decommissioning programmes these items need recovered and brought ashore.

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Ithaca Energy - Midwater Arch Downsizing

The decommissioning programme for the Athena field saw the Mid Water Arch (MWA) – which had supported pipelines and control systems as they rose from the seabed – brought onshore for deconstruction and recycling. The 500Te structure was landed at the Nigg Energy Park.

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BP - Umbilical Reel Recycling

We were contracted to recycle a large metal reel and the umbilical product spooled upon it after both had reached the end of their operational lives. Deemed unsafe to lift for transportation, the reel was dismantled onsite at Peterhead Port under a temporary licence we obtained from SEPA.

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