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Abrasive Waterjet cutting of a rack and pinion system

Dec 5, 2023 | Abrasive waterjet cutting, High tech cutting technics, News, North Sea oil and gas rig decommissioning

"Breaking barriers: 36 nearly meter-long cuts slice through 180mm thick steel in just 12 days, showcasing the prowess of abrasive waterjet cutting in decommissioning North Sea oil rigs."

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Submar, Subsea Services

Off the coast of South America, one of the largest offshore rigs encountered complications during a drilling operation. The solution? Abrasive Waterjet Cutting, a cutting-edge technique that proved invaluable in resolving the rig’s challenges.

Despite its busy drilling schedule, the owner opted for meticulous repair, thorough maintenance, and significant capacity optimization. A dry dock was promptly secured, and preparations were made for the monumental task ahead.

Submar, was entrusted with all cutting work on the rig’s toothed slats. The client chose abrasive waterjet cutting for its impressive cutting capacity and its ability to preserve the integrity of the cutting surface. Notably, this technique introduces minimal heat, ensuring cuts do not exceed 60°C, allowing for immediate welding post-cutting.

Over 12 days, Submar completed 36 nearly meter-long cuts through steel with a thickness of 180mm. Another successful project, another satisfied customer!

SUBMAR detail of cutting work on the rig's toothed slats.
SUBMAR cutting work on the rig's toothed slats.

Abrasive Waterjet Cutting

High-tech method used for precision cutting. It involves a stream of water mixed with abrasive particles to cut through materials like metal, stone, and glass. It’s known for its accuracy, versatility, and minimal heat impact on materials, making it ideal for various industries.

Read more
Water Jet Cutter on Wikipedia
Abrasive Water Jet Cuting on Science Direct.


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