NorFra Pipeline Installation Project: Pretrenching, Seabed Levelling, and Landfall Dredging and Civil Works

A 42" diameter, 835 km-long, high pressure natural gas pipeline was laid from Norway to France in record time and under budget.

Cement and Soft Mud Mixing Technique Using Compressed Air-Mixture Pipeline: Efficient Solidification

The 1998 IADC Award-winning paper, presented at the WODCON XV in Las Vegas, explains an efficient new technique being utilised in Japan.

“Dilution”, A New Technology Used at the Pearl River Estuary Pipeline Installation Project

Unable to excavate a conventional open trench because of dumping limitations, a new technique was developed to install the pipeline through “diluted” soil.

Solids Transportation in a Long Pipeline Connected with a Dredge

Prediction of the aggregation process and an accurate estimate of the critical velocity in a pipeline may lead to more effective control of the diesel engines and other types of drives.

Besòs Long Sea Outfall, Barcelona

To satisfy EC bathing water quality directives, a new, longer outfall was needed. Dredgers had to reckon with the recreational importance of Spain’s beaches, plus the existence of an operative gas pipeline.