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Keywords: methane
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Proceedings Papers

Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-583
... emissions from the shipping sector (The Ocean Panel 2023). air emission ammonia hydrogen co 2 climate change lng ship consumption norwegian coastal shipping combustion methane carbon neutral fuel alternative natural ga mgo methanol norwegian government findlay 1971 norway storage...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-490
... hydrogen khi methane lng freight & logistics services australia operation construction asia government risk management demonstration test lh2 voyage inner vessel classnk interim recommendation Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1167
... to economically utilizing natural gas resources. Natural gas, whose main ingredient is methane, is drawing attention as an eco-friendly fuel due to its low carbon dioxide emissions compared to oil or coal, and low emissions of nitrogen, sulfur oxides and fine dust. However, if natural gas hydrates are used...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-653
... methane flow assurance hydrate reformation hydrate delay time water mixture concentration hydrate inhibitor residence time pipeline production rate pvcap meg concentration hydrate formation synergistic inhibition transport pipeline simulation upstream oil & gas Risk...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-356
... taking the different properties of hydrogen and natural gas (methane) associated with hazard into consideration. In this paper, the validity of hazardous area defined by the IGC Code was clarified for our developed LH2 Carrier by using gap analysis between the IGC Code and the guidelines in IEC 60079-10...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-491
... in the gaseous phase. The article presents experimental data on the simulation of the gas hydrate formation in a porous structure and the replacement of methane in hydrate by CO2. The results of gas amount calculations converted to hydrate are presented. INTRODUCTION To date, there is a trend of humanity's...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-375
... with increasing pressure (from 50 to 900 bar at 276.15, 280.15, and 285.15 K.) using in situ Raman spectroscopic method. chemical potential hydrate phase solubility equilibrium pressure hydrate hydrate lattice fugacity three-phase equilibrium pressure lee servio methane upstream oil & gas...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-098
... into the reservoir, the composition of the vapour and liquid phase change. This process, known as weathering (or ageing), impacts the fuel's quality notably in terms of methane number and calorific value. Therefore, its analysis is a key issue in the assessment of LNG power systems. A model to predict LNG's ageing...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-309
... pressure brosset simulation liquified natural gas piston problem gas monetization pvt measurement interface upstream oil & gas liquid nucleation gas pocket equilibrium numerical result relation methane lng phase change wave impact Preliminary Numerical Results on the Influence...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-041
... Abstract In order to obtain the knowledge of hydrate accumulating mechanism in seafloor, and lay the theoretical foundation for gas hydrate exploration and exploitation in the future, in this work, the formation of methane hydrate from dissolved gas was studied using a large three-dimensional...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-131
... distribution in wellbore and the adjustment of the choke valve are also affected subsequently. gas hydrate methane correlation bishnoi bop choke line decomposition university upstream oil & gas flow assurance reactor fraction dissolution equation experiment production monitoring...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-145
.... Direct-release experiments were performed to determine the actual guest compositions in the clathrate hydrate phases. Finally, we measured the clathrate hydrate phase equilibria of (pyrrolidine+methane) and (piperidine + methane). Also, Hexamethyleneimine, 1-methylpiperidine, 2-methylpiperidine, 3...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-196
... equilibrium of gas hydrate composed of methane, ethane and propane has been studied. It's concluded that the methane hydrate equilibrium needs a lower pressure and a higher temperature with the presence of the ethane and propane. The equilibrium pressure of hydrate decreases with the decrease of methane...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-372
... (geometrical scale) on the amplitudes and a coefficient 1/√λ on the times, namely by keeping Froude number the same at both scales. coefficient upstream oil & gas gas monetization vapor lng piston methane bagnold model bagnold phase transition oscillation model test equilibrium gas...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-070
... by extensive experimental data on methane, ethane, propane, and carbon dioxide hydrate formation conditions in porous media reported in literatures. The test indicated that the calculation results were in good agreement with experimental data. INTRODUCTION As a potential energy source, the natural gas...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-178
... ABSTRACT: Hydrocarbon gas compositions and isotopic compositions of methane in samples collected in Shenhu gas hydrate field are measured and analysed. Results show that, in gas hydrate and headspace gas samples, the dominant hydrocarbon gases are methane with trace ethane and propane...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-177
... ABSTRACT China is the world's largest consumer of coal, producing more than two-thirds of its electrical power from coal. Coal Bed Methane (CBM) and Coal Mine Methane (CMM), are two promising methods to generate the cleanest-burning fuel with the highest forecast demand in China, which can...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-182
... boundary liquified natural gas impact pressure gas pocket condensation phase transition upstream oil & gas dimensionless number offshore gas monetization methane saturation curve On the Effect of Phase Transition on Impact Pressures due to Sloshing J.-P. Braeunig(1), L. Brosset(2), F...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-120
... ABSTRACT There are chemosynthetic ecosystems nearby deep-sea mineral and energy resources such as seafloor massive sulfides and methane hydrate. A prediction model that predicts the response of the ecosystems due to changes in environmental condition should be developed to assess the impact...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-497
... The phenomenon of reforming methane hydrate was analyzed experimentally under dissociation process. The authors investigated how temperature and salinity of injected brine, and a hot-brine injection coupled with depressurization affect methane hydrate reformation during dissociation...

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