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LDD Under Reaming

Using their world class under-reaming drill bit technology and pile top drilling equipment, LDD can easily reduce the amount of energy that is required to drive a pile to its target elevation.

Under-reaming reduces pile fatigue and increases design options.

LDD is the world leader in the design and engineering of under reaming technology. Their equipment has the ability to use under-reamers when required and their in-house design capability can create bespoke solutions to support project requirements.

Where pile fatigue is a concern, LDD will deploy a drill with or without under-reamers, to drill through the harder geology to enable re-driving or grouting to take place to secure the pile in position. They can set the under-reamers to open below the pile toe to any given diameter to reduce the amount of resistance on the driven pile.

Delivered by LDD

LDD is a specialist marine drilling and construction contractor offering a range of equipment and services associated with installing tubular casings and foundations into the seabed for the renewables, oil and gas, nuclear energy and civil and marine structure and facilities sectors.

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Integrate this product

Acteon can also offer an integrated project management service. This involves managing the activities of one or more of our companies on a customer’s behalf and providing a single point of contact for all aspects of project management.

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Optimised lifetime station keeping solutions for oil and gas fields in any water depth.

It goes without saying that oil and gas field operators expect their floating facilities to be installed safely, on time and within budget. They also welcome increased efficiencies, seamless project management and efficient data integration. Download this e-book for optimised lifetime station-keeping solutions that serve oil and gas fields in any water depth.


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