NWS Seabed Intervention:
'Between a Rock and a Hard Place'

8 April 2009 Perth Branch Evening Meeting

Chairman Ben Witton, Project Engineer, land and Marine Technology Systems
Sponsored by AGR Drilling Services, CTC Marine Projects and Van Oord Offshore Asia Pacific

Report by Ben Witton

Flyer

Presentations

AGR – Breaking New Ground in Seabed Excavation

Rohan Inglis, Operations Manager, AGR Drilling Services

AGR have developed a range of water powered tools for the deepwater excavation market, expanding on their high-efficiency hydraulic tools already available for the 5–150m depth applications. The new range of tools, successfully trialed in deepwater North Sea, opens up a host of possibilities for seabed intervention, providing new solutions to new and existing seabed problems. The ClayCutter X, in particular, has been proven to provide an effective solution for seabed intervention in a variety of soil conditions and on various seabed angles, which makes it highly suitable for many areas of Australia's NWS.

Between a Rock and a Hard Place

Hans Luijenburg, Regional Manager, Van Oord Asia Pacific

Pitrik can der Wal, Regional Representative Asia Pacific, Van Oord Osshore Asia Pacific

For pre-lay interventoion, pipeline protection or stabilisation, pre-trenching and/or subsea rock installation provides a solution for the complete range of geophysical and geotechnical conditions. Van Oord is a specialist in pre-trenching techniques for a wide range of geophysical conditions, with a large state-of-the-art dredging fleet suitable for trenching. Van Oord also owns surface support vessels and operates equipment to support post-trenching operations. Van Oord is a market research leader on subsea rock installation, with projects worldwide in water depths of up to 1200m, for which it has a fleet of modern and innovative vessels. Subsea tock installation can be applied almost independent of soil conditions, and risks of failure are negligible.