... anode reference specimen corrosion management corrosion test specimen duplex specimen deposit frequency cathodically tcd design level current density tcd level power frequency Abstract This paper presents results from AC corrosion tests on 25Cr duplex and cathodically protected...

... structure which form stacked lamination strongly indicate a microstratigraphic correlation among the crusts from remotely separated seamounts. The deposits commonly cover hard rock outcrops, building maximum thickness of 12 cm. This microscopic-scale variation in chemical and mineralogical composition have...

... 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...

... of engineering-geological conditions 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...

... distribution pattern reservoir characterization metals & mining hpd ba hpd ls hpd usui crust hydrogenetic ferromanganese crust pacific seamount nw pacific seamount upstream oil & gas seamount nodule ferromanganese crust ls kk deposit con hpd variation thickness...

... 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...

... topography deposit nodule polymetallic nodule surface texture artificial intelligence exploration diagenetic process size classification cu content relation topographic feature japanese license area upstream oil & gas metals & mining preliminary study okazaki reservoir...

... geological and geochemical studies indicate that the deposits have been formed continuously since 10 million years ago or older and building 10-cm thick piles of precipitates with variable chemical compositions, thus resulting in variable abundance and grade on regional, small and microscopic scales. We...

... A series of scientific drilling at the areas of submarine hydrothermal deposits with core-log integration for deciphering mineralization processes Hidenori Kumagai1, Tatsuo Nozaki1, Jun-ichiro Ishibashi2, Saneatsu Saito1, Shogo Komori3, Yohei Hamada1, Yoshinori Sanada1, Tomokazu Saruhashi1, Lena...

... 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...

... 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...

... 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...

... 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...

... 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...

... 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...

.... 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 of the Russian shelf in the Arctic Ocean is estimated around 100 milliard tons of standard coal...

... 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...

... seafloor deposit Geological and Geotechnical Characteristics of Deepwater Sediments in Offshore Japan Xiaoyan Long, Ko Min Tjok, Aurelian C. Trandafir, Fugro GeoConsulting, Inc. Houston, TX, USA Ryosuke Sato, Koji Yamamoto Japan Oil, Gas and Metals National Corporation Tokyo, Japan ABSTRACT...

... 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...

... 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...