Description
Great effort has been undertaken to investigate potential geohazards in relation to the development of the Ormen Lange gas field offshore Mid-Norway.
The field is located in the scar left after the giant, tsunami-generating Storegga Slide, which occurred roughly 8200 years ago, and the slide risk has consequently received particular focus. The studies have been multi-disciplinary in character, and have involved a number of companies, universities, and research institutions. The results of the project led to a significant advance in the understanding of the Storegga Slide in particular, and submarine slope instability in general, and played an important role in the approval of field development by Norwegian authorities.
This book comprises 26 individual contributions representing the wide span of topics addressed in the project. The main scope is to provide a state-of-the-art report on geohazard investigations in a high latitude continental margin setting. Most of the data and results published in this book would not have reached beyond the confidential report stage unless the license partners of the Ormen Lange license had agreed that this information deserves a wider audience.
- Multidisciplinary and covers most themes treated in slope stability studies prior to the field development phase
- Provides a link between basic research and applied geohazard studies, with direct relevance for risk evaluation in relation to field development activiti
Chapter
Chapter 2. Explaining the Storegga Slide
pp.：
18 – 28
Chapter 3. Influence from 'Ocean Weather' on near seabed currents and events at Ormen Lange
pp.：
28 – 40
Chapter 4. Large-scale development of the mid-Norwegian margin during the last 3 million years
pp.：
40 – 52
Chapter 5. The Pleistocene to recent geological developmentof the Ormen Lange area
pp.：
52 – 64
Chapter 6. Late Cenozoic glacial history and evolution of the Storegga Slide area and adjacent slide flank regions, Norwegian continental margin
pp.：
64 – 78
Chapter 7. The glacial North Sea Fan, southern Norwegian Margin: architecture and evolution from the upper continental slope to the deep-sea basin
pp.：
78 – 92
Chapter 8. Contourites and their relevance for mass wasting along the Mid-Norwegian Margin
pp.：
92 – 104
Chapter 9. The Storegga Slide complex: repetitive large scale sliding with similar cause and development
pp.：
104 – 116
Chapter 10. Mineralogical and microstructural development of the sediments on the Mid-Norwegian margin
pp.：
116 – 130
Chapter 11. The dating and morphometry of the Storegga Slide
pp.：
130 – 144
Chapter 12. Postglacial seismicity offshore mid-Norway with emphasis on spatio-temporal–magnitudal variations
pp.：
144 – 156
Chapter 13. Probabilistic and deterministic seismic hazard results and influence of the sedimentary Møre Basin, NE Atlantic
pp.：
156 – 168
Chapter 14. Stress transfer in the Storegga area, offshore mid-Norway
pp.：
168 – 178
Chapter 15. The last phase of the Storegga Slide: simulation of retrogressive slide dynamics and comparison with slide-scar morphology
pp.：
178 – 186
Chapter 16. On the dynamics of subaqueous clay rich gravity mass flows—the giant Storegga slide, Norway
pp.：
186 – 194
Chapter 17. Scaling behaviour of clay-rich submarine debris flows
pp.：
194 – 202
Chapter 18. The Storegga Slide tsunami—comparing field observations with numerical simulations
pp.：
202 – 216
Chapter 19. Fundamental mechanisms for tsunami generation by submarine mass flows in idealised geometries
pp.：
216 – 226
Chapter 20. A parametric study of tsunamis generated by submarine slides in the Ormen Lange/Storegga area off western Norway
pp.：
226 – 240
Chapter 21. Ocean warming and gas hydrate stability on the mid-Norwegian margin at the Storegga Slide
pp.：
240 – 252
Chapter 22. The Storegga slide: evaluation of triggering sources and slide mechanics
pp.：
252 – 264
Chapter 23. Formation of large, crater-like evacuation structures in ooze sediments in the Norwegian Sea. Possible implications for the development of the Storegga Slide
pp.：
264 – 282
Chapter 24. In situ pore pressures: What is their significance and how can they be reliably measured?
pp.：
282 – 294
Chapter 25. Ocean bottom seismometer investigations in the Ormen Lange area offshore mid-Norway provide evidence for shallow gas layers in subsurface sediments
pp.：
294 – 306
Chapter 26. Soil conditions and slope stability in the Ormen Lange area
pp.：
306 – 318
Chapter 27. Quantification of risks associated with seabed instability at Ormen Lange
pp.：
318 – 326
Chapter 28. Forthcoming Papers
pp.：
326 – 328
Ormen Lange - an integrated study for safe field development in the Storegga submarine area
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