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Keywords: deposit
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Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-2151
... Abstract In the field of offshore geotechnical engineering, the bearing capacity evaluation of the foundation in layered deposits is a critical issue, due to the larger dimensions than those of onshore foundations in general. The slip circle method and the numerical simulation software FLAC...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-4105
... integrity h2s management corrosion rate upstream oil & gas aluminum specimen carbon steel anode reference specimen corrosion management corrosion test specimen duplex specimen deposit frequency cathodically tcd design level current density tcd level power frequency Proceedings...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1104
... of potential deposits of polymetallic sulphides for their exploration and possible future exploitation. In the process of research, the main specific engineering-geological features of the ore fields within the REA that affect the design specifications of the exploration and exploitation machinery were...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-693
... ABSTRACT The Kochi University and JAMSTEC (Japan Agency for Marine-earth Science and Technology) have carried out on-site seafloor observations and shore-based geochemical/mineralogical analyses for the hydrogenetic ferromanganese crust deposits at some model seamounts jointly...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-584
... frequencies. For one sample at 50 Hz, negative corrosion was measured. The negative corrosion rate on this specimen exceeds the expected balance error margin and cleaning process error. Deposits Deposits formed on both the steel and aluminum specimens. The deposits were more dominating at higher TCDs...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-711
... sediment microscopic scale takuyo-daigo seamount variation nodule deposit metals & mining upstream oil & gas northwestern pacific seamount ferromanganese crust hydrogenetic ferromanganese crust water depth abundance reservoir characterization seamount university...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-169
... in inadequate understanding of an overall distribution and origin of the nodules. Especially, it is commonly known that the nodules of various sizes exist, but the relationship between their size and chemical composition is not yet clearly understood. topography deposit nodule polymetallic nodule...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-706
... aspects. It should be understood, that project conditions are unique for particular evaluated mineral deposit and evaluation is linked to a particular time period. INTRODUCTION The deep seabed became one of the most potentially rewarding frontiers challenging mankind in minerals exploration. Mineral...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-593
... that more transformation to a turbidity current layer occurs for less-cohesive debris flows. numerical model turbidity current layer two-layer model deposit reservoir characterization debris flow layer runout distance equation momentum flux engineering two-layer framework spinewine...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-229
... Long-term Under-deposit Corrosion of Carbon Steel Pipelines under Stagnant Seawater Xiang Wang & Robert E. Melchers Centre for Infrastructure Performance and Reliability, The University of Newcastle Newcastle, NSW, Australia ABSTRACT The severe channelling corrosion of offshore water injection...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-112
... Abstract The Arctic attracts word's attention with its abundant natural resources. This activates the transport issues of industrial activity in the macro-region. Industrial exploitation of oil and natural gas deposits in Russia's Arctic becomes very significant. Reserves of hydrocarbons...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-171
... without hindrance to flow. upstream oil & gas heat transfer limitation concentration hydrate formation mechanism quantity hydrate formation temperature transfer limitation limitation hydrate stable startup critical nucleus size restart hydrate slurry hydrate phase deposit...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-479
... amplitude reservoir characterization numerical simulation mechanism deposit rockall bank scenario Numerical Modelling of Mass Failure Processes and Tsunamigenesis on the Rockall Trough, NE Atlantic Ocean. Dimitra Makrina Salmanidou1,3, Aggeliki Georgiopoulou2,3, Serge Guillas4 and Frederic Dias1,3...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-872
... was induced under undrained loading inside the bucket model, providing the additional load-bearing resistance. bucket foundation container drainage condition foundation model test diameter wind energy offshore wind turbine silty sand model foundation foundation system deposit wind turbine...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-216
... remarks are drawn. peat layer study area shear strength thickness australia haider al-ani organic soil dry density deposit void ratio borehole engineering property surfers paradise peat australia compression index water content cross section tropical peat soil upstream oil...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-201
... Abstract According to the analysis on the 11 drilling holes and more than 600km stratigraphy profiles data in the Diaokou lobe of modern Yellow River delta, it is found that the modern Yellow River Delta deposits mainly consist of the coarse silt and other fine grains, the fast accumulation...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-326
... Abstract A series of centrifuge shaking table tests of mono-pile embedded in the liquefiable sand deposit and dry sand deposit was conducted at an acceleration of 80-g. Two natural frequencies were identified by means of the Fourier spectrum of acceleration measured at the tip mass attached...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-196
... characteristic hydraulic conductivity bsf reservoir characterization penetration preconsolidation pressure deepwater sediment seafloor deposit Geological and Geotechnical Characteristics of Deepwater Sediments in Offshore Japan Xiaoyan Long, Ko Min Tjok, Aurelian C. Trandafir, Fugro GeoConsulting, Inc...

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