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Keywords: seawater
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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
... reservoir characterization maximum temperature contact pressure requirement leakage rate mechanical seal average clearance diameter seawater performance parameter deformation wellbore design outer diameter ring base stationary ring base stationary ring spring pressure Proceedings...
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, temperature 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...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1249
... with a low 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...
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-19-358
... 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-19-265
... 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

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
... 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 several sacrificial anodes. Typically, 40...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-149
... ABSTRACT The electromagnetic separation method is a new way to treat oily waste-seawater from ships which is in a pattern of oil-seawater mixed flow. In this paper, the mathematical model and numerical scheme of oil-seawater mixed flow under a magnetic and an electric field were set up...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-722
... nd value nd isotopic composition tp 24 lanthanide amakawa ferromanganese crust surface layer vertical profile metals & mining composition ferromanganese crust sample concentration pacific ocean isotopic composition takuyo-daigo seamount neodymium seawater ABSTRACT...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-150
... system is composed of the Underwater Re-charging Station (URS) installed on the seabed and supplying power and the receiving unit mounted on the AUV. (Ishibashi, Yoshida, Tanaka, Sugesawa, Fan and Ohta, 2016) Since the charging operation is an action in seawater, direct connection by a connector cannot...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-071
... field heating process wall surface low temperature environment seawater heat flux characteristic tank cargo oil production control oil tank crude oil numerical model reservoir surveillance upstream oil & gas normal temperature environment temperature environment numerical simulation...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-053
... ABSTRACT The thermal characteristics of the underwater vehicles wake on the sea surface are the basic of the infrared counteraction techniques. The wake of the underwater vehicle is simulated in the seawater of linearly gradient temperature and density based on the VOF model and dynamic mesh...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-313
... potential problems. Extensive tests, using crude oil and seawater, were performed in a 1:40 scale model of the wet storage system developed by Wang and Luo (2016). The objective of the experiment is to test and prove the feasibility of oil-water displacement principle in floating platforms, to demonstrate...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-629
... lervik test program corrosion rate pipeline corrosion flowline corrosion power frequency seawater well integrity aluminum specimen anode steel ac corrosion subsurface corrosion upstream oil & gas current density steel specimen electrically heated pipeline specimen materials...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-200
... emitted from the cable, it affects the data of the sensor devices that handles fine analog signal(for example IFS - InterFerometric Sonar -) is a problem. (Figs.2~3) motor driver acoustic communication positioning cable seawater ishibashi acoustic noise vehicle propulsion thruster otohime...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-356
... ABSTRACT With conventional sources of uranium forecasted to be depleted within the century, research into the harvesting of uranium from seawater, which is estimated to contain 1000 times more uranium than land, is crucial to determining the continued viability of nuclear power generation...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-477
... with abandonment in-place. A specifically engineered thixotropic gel solution was used to displace seawater from around the breach location mitigating the rate of carbon steel corrosion due to contact with oxygenated seawater. INTRODUCTION Flexible pipe technology has been utilized in the offshore oil and gas...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-611
... fluids in the annulus is possible either due to accidental damage of the outer sheath allowing seawater to enter the annulus, or due to condensation of diffused gases from the inner bore. Subsequently, seawater in the annulus, when combined with corrosive gases such as Carbon Dioxide (CO 2...

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