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Keywords: soil condition
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29500-MS
.... The paper describes the design challenges and how they were addressed. The solutions are likely to be of interest to anyone else developing a deep water offshore wind project, especially with variable soil conditions and a significant water depth range. Methods, Procedures, Process The Beatrice WTG...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27644-MS
.... soil condition offshore technology conference hard soil upstream oil & gas strength new stevshark subsea system old anchor reservoir characterization predecessor mobile test tank fluke new anchor hard ground stevshark mk5 offshore mooring system penetration anchor efficiency...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27753-MS
... Farm in Highly Variable North Sea Soil Conditions V. M. Thumann, Seaway Heavy Lifting; T. Yetginer-Tjelta, Statoil ASA; R. J. Van Foeken, GeoDrive Technology BV Copyright 2017, Offshore Technology Conference This paper was prepared for presentation at the Offshore Technology Conference held in Houston...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27943-MS
... are developed by integrating seismic survey and geotechnical data and then using GIS technology to efficiently manage, analyze, extract, and display predicted soil conditions. The tools described here provide geotechnical engineers, designers, and other end users with a quick and convenient way to predict...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27763-MS
..., the prediction accuracy is directly dependent on the data used to establish suitable resistance coefficients. Investigating different soil conditions and foundation dimensions (scale effects), therefore, extends and improves the applicability of the empirical SWP prediction methods. This paper will use a portion...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25246-MS
... be launched and recovered over the stern roller of an Anchor Handler with no A-frame required. SCAR is inherently simple and robust, offering reduced downtime and low maintenance time/costs. upstream oil & gas operation stern roller single pass soil condition offshore technology conference...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21538-MS
... infrastructures (anchors, sealines, subsea foundations …). The deepwater operators in Angola (BP Angola, CABGOC, Esso Exploration Angola, Total E&P Angola) set up an expert committee to agree on how to improve understanding of seabed soil conditions and their interaction with foundation structures...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2011
Paper Number: OTC-21618-MS
... of the predictive soil model; describes learnings from this project; and discusses limitations of the methodology. Suction-anchor installation was completed successfully and no problems were encountered with respect to soil conditions. The as-installed results thus confirmed the general reliability...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20085-MS
... tension anchor installation tension installation strength requirement upstream oil & gas installation tension fluke anchor anchor soil condition subsea system resistance friction penetration mooring system anchor resistance fluke angle det norske veritas OTC 20085 Improved...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20291-MS
..., and at worst can endanger personnel (Osborne et al., 2006). strategic planning and management soil condition strength upstream oil & gas installation investigation penetration prediction spudcan procedure spudcan foundation bearing capacity hossain offshore technology conference csd...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20062-MS
... not be implemented. incident site specific assessment drag embedment anchor gulf upstream oil & gas regulation norwegian sector requirement mooring system soil condition anchor subsea system hurricane season operation continental shelf offshore technology conference anchor installation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20073-MS
... geophysical and geotechnical data to help evaluate the risk that anchoring problems may occur within the proposed area of a mooring spread. The site assessment risk matrix includes the following factors: 1Difficult Soil Conditions, 2Soil Data within Area, 3Spatial Soil Variability, 4Type of Seafloor Strength...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20294-MS
... cylindrical FPSO was recently installed at the Shelley Field in the UK Sector of the North Sea. The FPSO is positioned using a system of 12 mooring lines, which are fixed to the seabed using suction anchors. The soil conditions at some anchor locations were initially considered difficult for installation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19349-MS
... features and to define soil conditions within the foundation zone of the anchors for the mooring system. The geophysical survey revealed the presence of seafloor and buried in-filled scour features that result from seafloor currents. These results were used in the scoping of the geotechnical investigation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19582-MS
..., followed by description of generalized soil conditions interpreted from the data. Results of piezocone penetration tests (PCPT's), seismic cone penetration tests (SCPT's), soil index properties, in situ vertical stress history, and normalized static shear strength properties are presented. The program...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2007
Paper Number: OTC-18684-MS
... Abstract Within its jack-up development framework, Technip has developed a new foundation concept that widens the range of soil conditions where a jack-up production facility can be used without compromising its self-installation capability (i.e using only minimal support). This new design...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-18268-MS
... installation drilling equipment preload prediction operation undrained shear strength upstream oil & gas platform design starboard leg soil condition final penetration spudcan tip penetration subsea system jackup strength rapid penetration leg location load level...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2006
Paper Number: OTC-17949-MS
... Abstract The Mad Dog Spar is moored by suction anchors arranged inthree Clusters. Two anchor Clusters lie on top of the Sigsbee Escarpment while one anchor Cluster lies in a slump unit below the Escarpment. The soil conditions at the 4 pile locations in the slump deposit vary significantly...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2004
Paper Number: OTC-16077-MS
...-specific parameters, such as water depth, distance to shore, wave height, soil conditions, weather directionality, and location of construction site or shipyard. An absolute cost comparison is not given in this paper, although the comparison study included the calculation of capital investment costs (CAPEX...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2003
Paper Number: OTC-15262-MS
... Abstract The sometimes unpredictable and highly variable nature of soil conditions in deepwater regions must be recognized in planning geotechnical site investigations. Examples of four different soil stratigraphies in deepwater are presented to demonstrate the variability and peculiar nature...

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