First Deployment of the Underwater Drill Rig MeBo200 in the North Sea and its Applications for the Geotechnical Exploration
- G. Spagnoli (BAUER Maschinen GmbH) | S. Finkenzeller (BAUER Maschinen GmbH) | T. Freudenthal (University of Bremen) | T. Hoekstra (A.P. van den Berg Ingenieursburo bv) | M. Woollard (A.P. van den Berg Ingenieursburo bv) | O. Storteboom (A.P. van den Berg Ingenieursburo bv) | L. Weixler (BAUER Maschinen GmbH)
- Document ID
- Society of Petroleum Engineers
- SPE Offshore Europe Conference and Exhibition, 8-11 September, Aberdeen, Scotland, UK
- Publication Date
- Document Type
- Conference Paper
- 2015. Society of Petroleum Engineers
- 1.13 Drilling Automation, 3 Production and Well Operations, 1.6 Drilling Operations, 4.1 Processing Systems and Design, 1.6.9 Coring, Fishing, 1.10 Drilling Equipment, 4 Facilities Design, Construction and Operation, 4.1.9 Heavy Oil Upgrading, 1.10 Drilling Equipment
- MeBo200, geotechnical exploration, CPT, seabed drill rig, geological exploration
- 3 in the last 30 days
- 144 since 2007
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As the drilling technology has advanced, recent deepwater developments and explorations are currently taking place in Gulf of Mexico, Brazil and West Africa where deeper reserves of oil have become more accessible. The study of the subsea soil (e.g. soil investigation, positioning foundation design) is one of the activities required for the subsea field development. Electromagnetic tests, CPT tests, gravity, piston core or vibrocore samples are obtained by deploying down-hole systems from drilling vessels. However, because of the high costs and low availability of drill ships, and because ship and drill-string motion due to wind, currents and waves affect the quality of the drilling process, robotic drill rigs are currently more widely used. The following paper describes the MeBo200 as a novel underwater drill rig for geotechnical/geological explorations. The MeBo200 drilling rig is lowered to the sea floor and operated remotely from the ship to drill up to 200m into the sea floor at an ambient pressure of up to 400bar. It was developed in cooperation by MARUM Center for Marine Environmental Sciences (University of Bremen) and BAUER Maschinen GmbH. The complete system is transported within seven 20 ft containers. MeBo200 is a second generation of the MeBo, which was the first remote-controlled deep sea drill rig that uses a wireline coring technique. The weight of the MeBo200 is about 10 tons in air and 8 tons in water and therefore it does not need special drill ships to be managed reducing therefore the mobilization costs for worldwide deployment. The MeBo200 was deployed in the German sector of the North Sea in October 2014 to test the functionality of the seabed-based drill rig. Currently MeBo200 is being upgraded with CPT technology from A.P. van den Berg Ingenieursburo bv.
|File Size||3 MB||Number of Pages||14|
Bellato, D., Spagnoli, G. and Wiedenmann, U. 2015. Engineering and Environmental Aspects of Offshore Soil Mixing, P I Civil Eng-Geotec. doi: 10.1680/geng.14.00044.
Freudenthal, T. and Wefer, G. 2013. Drilling Cores on the Sea Floor with the Remote-Controlled Sea Floor Drilling Rig MeBo. Geosci Instrum Method Data Syst 2:329-337. doi: 10.5194/gi-2-329-2013.
Gemeinhardt, J.P., and Wong, K.Y. 1978. Progress of Consolidation of a Marine Clay in Borneo, Proc., Offshore Technology Conference, Houston, Texas, 8-11 May, OTC3209-MS, 1361-1366. http://dx.doi.org/10.4043/3209-MS.
Lunne, T. 2012. The Fourth James K. Mitchell Lecture: The CPT in Offshore Soil Investigations - a Historic Perspective. Geomech Geoeng7: 75-101. doi: 10.1080/17486025.2011.640712.
Micic, S., Shang, J.Q., and Lo, K.Y. 2003. Improvement of the Load-Carrying Capacity of Offshore Skirted Foundations by Electrokinetics. Can Geotech J 40: 949–963. doi:10.1139/T03-045.
Spagnoli, G., Freudenthal, T., Strasser, M., and Weixler L. 2014. Development and Possible Applications of Mebo200 for Geotechnical Iinvestigations for the Underwater Mining, Proc., Offshore Technology Conference, Houston, Texas, 5-8 May, OTC25081-MS, 35-44. http://dx.doi.org/10.4043/25081-MS.
Sultan, N., Bohrmann, G., Ruffine, L., Pape, T., Riboulot, V., Colliat, J.L., De Prunelé, A., Dennielou, B., Garziglia, S., Himmler, T., Marsset, T., Peters, C.A., Rabiu, A., and Wei, J. 2014. Pockmark Formation and Evolution in Deep Water Nigeria: Rapid Hydrate Growth Versus Slow Hydrate Dissolution. J. Geophys. Res. Solid Earth 119(4): 2679–2694. doi: 10.1002/2013JB010546.
Wei, J., Pape, T., Sultan, N., Colliat, J.L., Himmler, T., Ruffine, L., De Prunelé, A., Dennielou, B., Garziglia, S., Marsset, T., Peters, C.A., Rabiu, A., and Bohrmann, G. 2015. Gas Hydrate Distributions in Sediments of Pockmarks from the Nigerian Margin - Results and Interpretation from Shallow Drilling. Mar Petrol Geol 59: 359-370.