Troll oil pipeline: Seabed surveying and pipeline routing in critical areas
- Statoil, Stavanger (Norway)
- Snamprogetti, Fano (Italy)
The 85 km long 16-in oil pipeline from the Troll Field to the Mongstad Refinery North of Bergen in Norway, including a nearshore/inshore section of some 30 km length which is characterized by a water depth down to 540 meters, complex and rocky seabed topography including extremely steep fjords walls. This inner section required a considerable amount of highly detailed and accurate surveying, in particular using remotely operated vehicles (ROV) to gather the required seabed documentation for pipeline routing engineering and construction. In particular a high precision in route definition was necessary, together with a common seabed reference system for engineering and construction in order to obtain a very accurate pipeline location within the actual narrow route corridor. This paper deals with the seabed surveying and documentation as well as the subsequent pipeline routing within the nearshore/inshore section of the pipeline route.
- OSTI ID:
- 400907
- Report Number(s):
- CONF-9606279--; ISBN 0-7918-1494-7
- Country of Publication:
- United States
- Language:
- English
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