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1-20 of 154
Keywords: seawater
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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-24-035
... Environmental Sample Processor (D-ESP) (William et al., 2013). These in situ gene assays depend on microbial enrichment, filtration, lysis and nucleic acid purification processes. A D-ESP integrated deep-sea mass spectrometer has also detected substances in the in situ filtered seawater. This whole set...
Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-603
... production logging condenser ice-based buoy thermoelectric power generation production monitoring seawater system reservoir surveillance evaporator buoy polar ice-based relationship variation generator university conversion production control efficiency study circulation...
Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-073
... disadvantages for offshore drilling. Therefore, it is necessary to study the method of mud cooling with small floor area and low cost. Considering the characteristics of offshore drilling, an innovative mud cooling method based on seawater circulation was designed in this paper. By placing four copper pipes...
Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-183
... in traditional water source development, the trend is shifting towards developing emerging water sources, with the construction of seawater desalination plants being one option. The oceans cover approximately 70% of the Earth's surface. Through the use of intake pipes, seawater is drawn and subjected to various...
Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-210
... conduction in the multilayer pipe with prescribed internal temperature and external convective boundary conditions are considered. As shown in Fig. 2, the composite riser is surrounded by seawater at a temperature T . The convective heat transfer coefficient between the outer wall and the ambient seawater...
Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-343
... production logging production control equation reservoir simulation production monitoring two-dimensional cylinder engineering journal coefficient reservoir surveillance reservoir characterization vortice gradient cylinder ocean engineering frequency seawater stratification...
Proceedings Papers
Christoph Bleicher, Steffen Schönborn, Sebastian Böhlert, Lutz Kleinsorge, Jörn Klüss, Marcel Nürnberg
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-449
... in terms of vibration and cyclic loads superimposed by the corrosive effect of the surrounding seawater resulting in a complex load. Understanding this overall situation and the resulting local stress concentration as well as their interaction with material parameters influenced from the production process...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-026
... upstream oil & gas methane hydrate freezing salinity asia government pipe flexible hose inner tube methane gas gas hydrate japan government flow assurance experiment riser pipe experimental apparatus hydrate seawater evaluation model dynamic condition yamamoto hydrate...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-007
... that the temperature gradient is almost constant and only seasonal variations occur, there are good prospects for the development and utilization of ocean thermal energy. sustainability social responsibility platform seawater deepwater drilling united states government china government climate change...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-291
... and compromise its stability. Existing deicing measures, such as heat or chemical application and manual ice removal, prove impractical in many cases. Seawater, being abundant and easily accessible during marine operations, has a good potential as a deicing agent, as shown by wave-washing. The present study...
Proceedings Papers
Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-206
..., its shape, its charge mass, the pipeline's properties, its configuration, its coatings, the seawater characteristics, the water depth, the loads acting on the pipeline, and the seabed properties and morphology. offshore pipeline underwater explosion integrity kg tnt equivalent united states...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-190
... ABSTRACT We use monitoring data of petroleum hydrocarbons (PHs) after ten years as indicators to assess the long-term environmental impact of the Dalian "7.16" Oil Spill on seawater and sediments. Compared with the values measured ten years ago, the monitoring PHs concentrations in water...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1151
... calculation instant of three-dimensional one. effectively closed to prevent the inflow of seawater. In Fig. 1, it can be seen that the rotary ring is made of hard alloy, and The assembly structure diagram of the mechanical seal device is shown inlaid on the rotary ring base. The base is directly fixed...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1231
... field and flow field was coupled. The sea ice crystal growth under natural convection and external forced convection is studied. The results show that the flow of seawater changes the concentration of seawater around the sea ice, and different concentrations of seawater cause different crystallization...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1249
... salinity is mixed with surface seawater, thus reducing the salinity. However, due to the differences in seawater quality and dynamic conditions in different frozen sea areas, the influences of seawater freezing-melting process on the salinity of surface water varies greatly. In this paper, in the Bohai Sea...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-559
... stores the oil over seawater. During production, the crude oil displaces the seawater, whereas during offloading, the storage compartments are refilled with seawater. In this paper, we developed a new type of wet storage system, which can provide a storage capacity of 100,000∼1,000,000 barrels of oil...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-265
... and JMS-2) were reacted with phosphate buffer solutions or pH-controlled artificial seawater (ASW) using a CO 2 -induced pH regulation system. Our experiments demonstrated that deep-sea sediments have weak buffer capacities by acid-base dissociation of surface hydroxyl groups on metal oxides/oxyhydroxides...
Proceedings Papers
Jennifer Leijon, Sara Anttila, Anna E. Frost, Sofia Kontos, Jens Engström, Mats Leijon, Cecilia Boström
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-358
... marine renewable energy source leijon freshwater production concentration brine seawater energy converter metals & mining desalination plant freshwater desalination lithium Marine Renewable Energy Sources for Desalination, Generating Freshwater and Lithium Jennifer Leijon1, Sara...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-196
... ABSTRACT The separation channel is a key component for an oil-seawater mixed flow electromagnetic separation device and the interaction of an electromagnetic field and flow field occur in the effective section of the separation channel. Two dimensionless parameters β 1 (the ratio...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-584
... 30 flowlines have been installed with the DEH technology. In a DEH-system, the flowline steel conducts electrical alternating current (AC) to generate heat in the flowline. For safety and reliability reasons, the heating system is electrically connected ("earthed") to surrounding seawater through...
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