Immediate displacement of the seabed during Subsea Rock Installation (SRI)
Immediate displacement of the seabed during Subsea Rock Installation (SRI)

The immediate displacement of the subsoil, and therefore the need for extra volumes of rock, can be accurately determined as long as sufficient geotechnical information on the seabed is available. Van Oord dredging and marine contractors has extensive experience in installing subsea rock by using flexible fallpipe techniques.

Dredging, Trenching and Rock Placement Works for the Sakhalin-1 Project, Russian Far East
Dredging, Trenching and Rock Placement Works for the Sakhalin-1 Project, Russian Far East

Persevering in remote eastern Russia, with its severe climate and lack of infrastructure, dredgers dug the trenches and laid the pipelines which will provide billions of barrels of gas and oil.

Kazakhstan, Offshore Exploration in the Caspian Sea
Kazakhstan, Offshore Exploration in the Caspian Sea

The real challenges of building underwater berms in the Caspian Sea were the sensitive environment, a harsh climate, complex local regulations and deep cultural differences