FUGRO to perform further Offshore Site Investigations for the Nord Stream Pipeline Project
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Nord Stream is planning a pipeline passing through the Baltic Sea from Vyborg, Russia to Lubmin, Germany which connects the world’s largest natural gas deposits with the European network. In 2006, companies of the Fugro Group had performed the geotechnical and geophysical investigation of the entire 1.200 km long pipeline route under contract of Peter Gaz. For the preferred route of the pipeline in the German sector of the Baltic Sea, detailed planning and the assessment of the environmental impact resulted in the requirement to carry out further investigations in order to clarify unsettled ecological and geotechnical aspects. FUGRO CONSULT GMBH (FCG) was commissioned by Nord Stream AG to carry out these investigations. The section of the planned pipeline which had to be investigated had a length of approximately 14 km. The water depth varied between approximately 2 m and maximum 11 m. The investigations consisted of 6 CPT’s using FUGRO’s 20 tons ballast block unit up to the maximum possible penetration depth, 26 seabed samplings by using FUGRO’s 6 m Vibrocorer system, 3 boreholes up to a depth between 25 m and 40 m below seabed and subsequent laboratory testing. Within the framework of the project, there was the option to perform 3 additional boreholes and 8 additional Vibrocores. The works were carried out from a self propelled working platform.
The field works started on 3rd September, 2007 and were finished on 19th September, 2007. The additional laboratory testing and the subsequent reporting phase are expected to be finished by the end of October 2007. |
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