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Keywords: sediment
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Proceedings Papers
The Summary of Environmental Baseline Survey for Mining the Cobalt-rich Ferromanganese Crust on Deep Seamount in Japan’s License Area
Available to Purchase
Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-640
...), Therefore, the surveys of characteristics of benthic communities, water quality and sediment affected by the seabed mining were conducted by Hakurei Maru No.2. 62 Proceedings of the Twenty-fifth (2015) International Ocean and Polar Engineering Conference Kona, Big Island, Hawaii, USA, June 21-26, 2015...
Proceedings Papers
Change of Biogenic Ba Content in Pacific Ferromanganese Crusts since Cenozoic ––A Signal of Paleoproductivity Pulses?
Available to Purchase
Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-799
... in Pacific Ferromanganese crusts probably can be regarded as a signal of paleoproductivity pulses. crust barite metals & mining upstream oil & gas ar babio sediment accumulation rate fe-mn crust paleoproductivity pulse paleoceanography pacific ferromanganese crust variation babio...
Proceedings Papers
Depressurization and Electrical Heating of Hydrate Sediment for Gas Production
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Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-589
...Depressurization and Electrical Heating of Hydrate Sediment for Gas Production Hideki Minagawa, Takuma Ito, Sho Kimura, Hiroaki Kaneko, Shohei Noda and Hideo Narita Methane Hydrate Research Center, National Institute of Advanced Industrial Science and Technology (AIST) Sapporo, Japan ABSTRACT...
Proceedings Papers
Numerical Simulation of Gas Hydrate Bearing Sediments for Enhanced Recovery Using Partial Oxidation Method
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Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-562
...Numerical Simulation of Gas Hydrate Bearing Sediments for Enhanced Recovery Using Partial Oxidation Method Takeshi Komai1, Yasuhide Sakamoto2, Atsushi Kishita1 and Noriaki Watanabe1 1: Graduate School of Environmental Studies, Tohoku University Aoba, Sendai, Japan 2: National Institute of Advanced...
Proceedings Papers
Frictional Strength between Well and Sediment under Confining Pressure for Methane Hydrate Production Well Integrity
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Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-754
...Frictional Strength between Well and Sediment under Confining Pressure for Methane Hydrate Production Well Integrity Masayo Kakumoto*, Jun Yoneda*, Jun Katagiri*, Kuniyuki Miyazaki Norio Tenma* and Kazuo Aoki* * Methane Hydrate Research Center, National Institute of Advanced Industrial Science...
Proceedings Papers
Experimental Investigation on Controlling the Depressurization-Induced Production Behavior from Hydrate-Bearing Sediments in 10-Meter-Scale
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-034
... Experimental Investigation on Controlling the Depressurization-Induced Production Behavior from Hydrate-Bearing Sediments in 10-Meter-Scale Taewoong Ahn a, Jaehyoung Lee a, Joo Yong Lee a, and Se Joon Kim a a Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral...
Proceedings Papers
Research on Marine Gas Hydrate Drilling Sampler of China
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-025
... have been designed. WEPC samples in seabed sediments and non-diagenetic formations, WRPC samples in medium-hard formations and DRPC works with conventional drill pipe. The working principle and main parameters of three samplers as well as the functions and features of the key components in the sampler...
Proceedings Papers
The Lab-Scale Evaluation of Geomechanical Safety during the Production from Marine Gas Hydrate Deposits
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-041
... are experimentally explored in this study using both synthetic and natural gas hydrate-bearing sediments. The parametric study on the behavior revealed that the magnitude of subsidence during production mostly scales with the compression index of sediments and gas hydrate saturation. gh-bearing sediment lab...
Proceedings Papers
Gas Replacement in Clathrate Hydrates during CO 2 Injection - Kinetics and Micro-Structural Mechanism
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-036
... of gas hydrates is seen as a two-step process of (1) a fast interfacial reaction (2) followed by much slower diffusion-limited transport. particle neutron diffraction molecule clathrate hydrate transformation upstream oil & gas kuh natural gas hydrate flow assurance sediment ch 4...
Proceedings Papers
Suspension Principle of Deep-Sea Miner and Drag Tests
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-015
... soft sediment isope deep-sea miner suspension principle slip ratio baseboard mining symposium sediment miner insertion depth upstream oil & gas traction force proceedings water film metals & mining shear strength mechanism friction strength plastic soil vehicle...
Proceedings Papers
Influence of Cation for Cage Occupancy from Small Cage Competition with Methane at Natural Gas Hydrates in Real sediments
Available to PurchaseJuwoon Park, Sun-Hwa Yeon, Jiwoong Seol, Dong-Yeun Koh, Young-ju Seo, Keun-Pil Park, Dae-Gee Huh, Jaehyoung Lee, Huen Lee
Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-021
... ABSTRACT Abnormal methane population in natural gas hydrates (NGHs) recovered from natural deep sea sediment has been demonstrated. Highly increased CH 4 occupancy ratios of large to small cages were observed in the sediment rich component of NGH, indicating that various minerals and mobile...
Proceedings Papers
Axial Symmetrical Thermal Conduction and Phase Transformations in THF Hydrate-Bearing Sediments
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-022
... Axial Symmetrical Thermal Conduction and Phase Transformations in THF Hydrate-Bearing Sediments Xu Hui Zhang Xiao Bing Lu Key Laboratory of Fluid-Solid Coupling System Mechanics, Institute of mechanics, Chinese Academy of Sciences, Beijing, China Shi Yao Hong Xia Zhen Marine Environmental...
Proceedings Papers
Grain Size of the Seabed Sediments Underlying Polymetallic Nodules in the Exploration Area of Interoceanmetal
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-038
... ABSTRACT Deep seabed sediments have been classified in various ways: either by the size of particles, the description of components, the process of formation, or some combination of these three. The simplest means for describing sediment is by the size distribution of its particles...
Proceedings Papers
Development of Ring Shear Apparatus with Permeability Measurement System for Hydrate-bearing Sediments.
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-065
... upstream oil & gas flow assurance reservoir characterization hydrate-bearing sediment fluid dynamics ring shear experiment permeability measurement system sediment normal stress ring shear apparatus dissociation methane hydrate shear zone specimen flow in porous media...
Proceedings Papers
Baselines Data Support for Developing of Environmentally Sound Nodule Mining Systems
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-066
..., the seafloor that would be directly impacted per mining operations was sized and optimized; both the amount of mobilized sediment and the value of benthic biomass intercepted by the nodule collector were estimated. Nevertheless, in order to minimize the adverse effect on the benthic community, some technical...
Proceedings Papers
Tailings and their Disposal in Deep-Sea Mining
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-089
... ABSTRACT Although not yet commercially practiced, deep-sea mining is under development for metalliferous sediments, massive sulphides and polymetallic nodules. Ore extraction is to be achieved by sediment suction, rock cutting and nodule collection, and transport from the seafloor...
Proceedings Papers
Basic Study on the Permeability of Sand during Direct Shear Test
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Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-073
... hydraulic conductivity dense packing specimen packing specimen reservoir characterization loose packing specimen sediment flow in porous media apparatus permeability test fluid dynamics specimen normal stress shear stress displacement Basic Study on the Permeability of Sand during Direct...
Proceedings Papers
Entry Pressure Measurement of Unconsolidated Sediments, Sampled From Methane Hydrate-bearing Zones Near NE-Nankai Trough, For Capillary Pressure Analysis
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Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-005
... characterization, because of the difficulty measuring it. Whereas conventional oil and gas reservoirs involve solid rocks, the layers containing concentrated gas hydrate consist of unconsolidated sediments, which are easily deformed during measurements. The pore-size distribution of Nankai Trough unconsolidated...
Proceedings Papers
Numerical Simulation of the Responses of the Seabed On the Dissociation of Gas Hydrate
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Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-011
... ABSTRACT: The development of the stresses and displacements in the seabed caused by the dissociation of gas hydrate were numerically simulated by using the software ABAQUS. The effects of the dissociation size and the sustaining strength of the gas hydrate sediment after dissociation...
Proceedings Papers
Development of the Geo-mechanical Simulation Code COTHMA
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Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-006
... ABSTRACT: Methane Hydrate (MH) is considered to be one of the new-generation energy resources. For the development of production method to extract the methane gas from MH sediment, it is important to estimate the sediment deformation. In order to understand the geo-mechanical behavior of MH...
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