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Keywords: mining
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Proceedings Papers
Experimental Investigation on Flow-Induced Vibration of Flexible Riser Transporting Spiral Flow in Deep Sea Mining
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-049
... ABSTRACT An experimental study is conducted within a large-scale simulated deep-sea mining transport system and spiral flow generation system to shed some light on the multiphase FIV and the correlation with the dynamic behavior of the riser caused by the spiral flow. Experimental results show...
Proceedings Papers
Deep Sea Slurry Pumping by Positive Displacement Pump
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-052
... completion installation and operations nodule well intervention rigid riser slurry riser proceedings mining concentration inertia diameter simulation production enhancement spike requirement downhole intervention efficiency calculation thirty-fourth pipe international ocean...
Proceedings Papers
Numerical Simulation Study on the Influence of Power Source Parameters on the Characteristics of Collecting Flow Field Based on Overset Mesh
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-064
... mathematics of computing modeling & simulation mining mineral pipe geology sulfide engineering particle zhao numerical simulation diagram geologist characteristic equation journal zhang international ocean deep-sea mining vehicle overset mesh consumption ABSTRACT...
Proceedings Papers
Numerical Modeling Study of Sand Production Process in Natural Gas Hydrate Extraction Reservoirs and its Impact on Gas Production
Available to PurchaseZhiliang Wen, Jin Yang, Ting Sun, Laiao Ren, Zengcheng Han, Wencheng Wang, Huizhen Ma, Song Liu, Haitao Nie
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-065
... the carbon reserves of conventional fossil energy in the world (Zhu et al., 2020). Because of its wide distribution, low pollution, and high combustion efficiency, hydrate has been widely considered an ideal alternative energy source in the future. At present, natural gas hydrate mining methods mainly...
Proceedings Papers
Viscous Characteristics of Bentonite Suspension for Carrier Materials in Deep Sea Mining Evaluated by Falling Head Flow Test
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Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-053
... of bentonite to water, C/W , whereas they are independent of the mass ratio of sand particles to water, S / W . INTRODUCTION In deep sea mining, it is necessary to transport mineral resources (e.g., polymetallic massive sulfide deposits and/or manganese nodules) from seafloor to sea surface over 1000 m...
Proceedings Papers
Numerical Study of the Motion of a Freely Falling Sphere in Fluid
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Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-550
... ABSTRACT Numerical study of the free-fall of a single sphere at different Reynolds numbers has been conducted with Computational Fluid Dynamics(CFD) method based on the engineering concerns of the dynamics of ore particles in vertical pipes in deep sea mining. A combination of Detached Eddy...
Proceedings Papers
Structural Aggregation of Feasibility Factors for the Assessment of the Polymetallic Nodules Deep Sea Mining Value Chain
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Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-706
... ABSTRACT Article presents the methodology for operational research on the polymetallic nodules mining value chain and the assessment of crucial factors influencing its feasibility. Value chain has been analyzed and boundary assumptions having a substantial influence on the decision making...
Proceedings Papers
A Classification Society´s Experience with Subsea Mining
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Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-111
... Abstract Growing interest in deep water minerals resources is providing opportunities for both the mining and oil industries. Exploration and production of ocean minerals require synergies between different technologies. In this context appropriate standards are needed to cover both new...
Proceedings Papers
Development of Technical And Economical Examination Method For Cobalt-Rich Manganese Crusts
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Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-068
... have already identified promising sites in the deep-sea regions for manganese nodule mining (ISA, 1998), and appropriate mining technologies have been developed during the last thirty years by the international consortium and several nations (Welling, 1981; Kaufman et al., 1985; Bath, 1989; Charles et...
Proceedings Papers
The Main Principles And Parameters of the Project of Marine Dressing Complex For the Industrial Development of the Continental Shelf Deposits
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Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-018
... ABSTRACT The technological, ecological and technical-economical principles of the continental shelf deposit mining of solid mineral resources and also the main parameters of the project of marine dressing complexes are given in this paper. The advisability of implementation mining, dressing...
Proceedings Papers
Deep-Sea Environment And Impact Experiment to It
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Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-056
... ABSTRACT Environmental impact researches for manganese nodule mining have been progressive in many countries. The current status in the world is introduced. Fundamental understanding about deep-sea environment obtained by the Japan's research and results of the impact experiment...
Proceedings Papers
Data Support For Modelling of Deep-Sea Mining Impacts
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Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-067
... The paper critically reviews the presently available experimental data from various tests and experiments connected with the deepsea mining issue with regard to their feasibility in supporting and validating the developed numerical models. Numerical modelling is applied mainly to predetermining...
Proceedings Papers
The Project of Marine Dressing Complex For Mining the Deposits of the Far Eastern And North-Eastern Seas Shelf
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Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-024
... are explained, the strict observance of the above principles is necessary in working out of new technologies, regulations, tcchrtical conditions and projects of sea mines. The principle propositions of the project of the marine dressing complex of module type and creation of specialized modules for extraction...
Proceedings Papers
Environmental Protection of the Deep Sea: A Challenge For Engineers, Scientists And Politicians
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Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-001
... disposal ocean solid waste management scientist engineer assessment impact experiment schriever sediment politician nodule mining experiment reaction deep sea metals & mining energy conservation mining environmental protection thiel radioactive waste environmental study...
Proceedings Papers
Large Scale Transport of Particle Reactive Tracers - Numerical Simulations
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Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-068
... that is presented here, the mining of manganese nodules and the re- lated release of elements like Mn, Pb, Mo, and Cu into the water column are the focus of the study. Observations in the German mining claim in the eastern equatorial Pacific (EEP) show, that concentrations of these elements in the water samples...
Proceedings Papers
Chinese Environmental Investigation Related to Potential Impact of Deep-Sea Mining
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Paper presented at the The Seventh International Offshore and Polar Engineering Conference, May 25–30, 1997
Paper Number: ISOPE-I-97-073
... to Potential Impact of Deep-Sea Mining Huai- Yang Zhou Second Institute of Oceanography, State Oceanic Administration Hangzhou, China ABSTRACT It is known that China Ocean Mineral Resources R & D Association (COMRA), a "pioneer investor" registered by UN Seabed Authority in 1991 and a national organizer...
Proceedings Papers
Investigation of Possibility to Apply Untraditional And Ecologically Good Methods of Coal Mining Under Sea Bed
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Paper presented at the The Sixth International Offshore and Polar Engineering Conference, May 26–31, 1996
Paper Number: ISOPE-I-96-007
... ABSTRACT Some fields of the mines being in operation in the Far East do not border upon the shelf of the Okhotskoye, Japan and Beringovo seas. This fact forces the miners to leave much coal in productive pillars. The officials of the department of Mining Mineral Resources of the Far East...
Proceedings Papers
Deep Seabed Mining? An Economic And Legal Ordeal
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Paper presented at the The Fifth International Offshore and Polar Engineering Conference, June 11–16, 1995
Paper Number: ISOPE-I-95-046
... ABSTRACT: Although Intensive exploration and mining and processing tests have been made at the end of the seventies, no commercial development of deep seabed mining has been considered since then. Such development needs the metal prices to be secured for a long period, In order to reduce...
Proceedings Papers
Environmental Data Collection And Assessment For Deep Ocean Mining Programme
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Paper presented at the The First International Offshore and Polar Engineering Conference, August 11–16, 1991
Paper Number: ISOPE-I-91-060
... ABSTRACT Comprehensive Oceanographic/Meteorological Data Collection and Assessment Programme, for a hypothetical Deep Ocean Mining Project in Central India Ocean is presented. Considering the present level of available data against required, it is appreciated that extensive sampling...
Proceedings Papers
Metal Mining In Polar Regions
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Paper presented at the The First International Offshore and Polar Engineering Conference, August 11–16, 1991
Paper Number: ISOPE-I-91-145
... ABSTRACT: Mining has been high on the Antarctic agenda for two decades. The Antarctic Treaty Nations have recently moved away from plans to regulate mining towards a legal prohibition. Over the same decades metal mines have been developed in the Arctic. As much as anything, the long term...