Case Study Mirage machines

SUBSEA PIPE CUTTING

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subsea diamond wire saw-lowered to sea bed

REQUIREMENT

To remove a 512 metre length of pipeline from the sea bed at a depth of 50 metres. The pipe material was 12″ diameter ‘Super Duplex’, with a 1″ wall thickness.

LOCATION

Saudi Arabia

EQUIPMENT

The Mirage MDWS620 Diamond Wire saw wihich has a feed stroke 26″ and is capable of cutting 20″ diameter pipe.

BUSINESS RESULTS

– With the diamond wire traveling at 1200 metres per minute at a feed rate set at 8mm per minute, each cut was completed in approximately 40 minutes.

– 22 cuts were made along the pipeline within 72 hours, enabling the pipe to be brought up on deck in 23m sections.

– Support was provided by a Mirage engineer who supervised the cutting operations and provided hands-on assistance.

Related products and accessories required to carry out operations such as this one include;

–  Power Packs

– Topside Hoses

– Spooled Umbilicals

– Deployment Baskets

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