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Keywords: offshore
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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-22-149
...Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-81-4; ISSN 1098-6189 www.isope.org Study on structural strength...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1123
... ABSTRACT This paper introduces a BHA with integrated casing cutting and fishing tools applied in offshore operations of well abandonment. This kind of tool systems successfully applied in an offshore project of permanent abandoned wells. The advantage of the system is the combination of both...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-552
... public attention to the environmental pollution problem. Among renewable energy resources, both offshore wind and wave energy are resources with great potential. Offshore wind technology has also rapidly developed in recent years, with a trend towards larger scale wind turbines, deeper water depth...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-680
... Prefecture, Japan ABSTRACT In August 2016, four swimmers carried away offshore and died at Ishikari-hama beach in Hokkaido, while, in recent years, several other similar accidents occurred around the Ishikari coast. In the past, analysis of the Ishikari Bay due to the seasonal wind has been conducted...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-273
... will be further improved and validated in a Joint Industry Project (JIP) to ensure reproducible and reliable results for simulations of hydrodynamic performance of offshore platforms. INTRODUCTION Current drag is one of the important environmental loads for design of offshore floating platforms including FPSO...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-436
... result. In fact, Kwon et al. (2017) already applied such kind of a prescreening method on the floating LNG Carrier. impact pressure gas monetization test condition offshore modification experimental result tank tank height midstream oil & gas low filling condition filling condition...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-090
... which is dominated by the wind load, is not reduced. The present research reveals the prospect of the three-column Spar concept in the offshore wind energy application. INTRODUCTION Powered by the increasing global pursuit of sustainable energy, the traditional wind industry is moving to deeper...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-134
... time domain riser marine riser fatigue life wave-induced fatigue analysis upstream oil & gas offshore engineering coefficient matrix Analysis on the Wave-induced Fatigue Analysis of Marine Drilling Riser Based on the Time Domain Method Yanbin Wang, Deli Gao and Chenyu Meng MOE Key...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-238
... the motion responses of the central and adjacent buoys with different wave heights and wave periods. The results shows that the sway and roll motion are significantly enhanced around the natural periods, which would greatly threaten the offshore and onshore mooring lines. Due to the coupling effect...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-282
... on the profile change was discussed by comparing three cases with different volumes of gravel: no gravel, small and large volumes of gravel. offshore topography gravel beach coastal engineering mixture ratio foreshore beach profile thickness gravel engineering upper part red gravel grid area...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-341
... impermeable plate offshore resistance water-level difference Experimental Study on Passive Soil Resistance of Flap-gate Breakwater to Tsunami Kunie Miyamoto Bushiness Planning & Technology Development Headquarters Technical Research Institute, Hitachi Zosen Corporation. Osaka, Japan Seiji Mizutani Civil...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-182
... at the top. They are increasingly considered as an alternative foundation of offshore floating structure or wind turbines. Suction anchors were developed in the late 1970s and have seen most application for anchoring offshore floating structures to the seabed (Shin et al., 2017). The predicting of laterally...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-437
..., Japan, June 10-15, 2018 Copyright © 2018 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-87-6; ISSN 1098-6189 www.isope.org MOORING CHAIN MODEL Newly developed model treats one chain piece as one computational element. Fig. illustrates physical shape properties...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-526
.... In addition, a change in the wave and flow patterns around the artificial reef according to the plane arrangement including the number of openings, offshore distance, and structure length was examined, and their effects on the beach stabilization were considered based on the experiment result. INTRODUCTION...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-506
... ABSTRACT A new Computational Fluid Dynamic tool, based on OpenFOAM, was implemented to reproduce a physical wave tank for offshore applications. The code has new boundary conditions for deep water wave generation, a new turbulent model and a new numerical restraint to represent realistic...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-530
... and confirms the posture, stress and law of motion. protective layer internal pressure upstream oil & gas riser bulge process anti-tension layer bandlet flow rate artificial intelligence offshore pipe mechanical performance curvature sensor top tension flexible riser enhancement...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-018
... collecting is fairly complicated because the collecting efficiency is affected by a lot of factors such as particle size, bottom clearance, collector structure, flow rate and speed of pipe. The influence of these factors on collecting rate was studied by experiments. upstream oil & gas offshore...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-020
... ABSTRACT This study investigates the dynamics and energy production of a new offshore floating renewable energy system, which integrates an offshore floating wind turbine (OFWT), a wave energy converter (WEC) and two tidal turbines. The hybrid concept is proposed to enhance the energy...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-058
... parts were modelled to investigate the interactions between the DTV, the topsides and the jacket. The results of analyses have been approved by a MWS. INTRODUCTION There are two methods for topside installation at offshore fixed structure. In case of heavy integrated topside, lifting method...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-572
... ABSTRACT Near the offshore production platform Vega A, the tanker FSO Leonis is moored to a steel column with circular section, 130 meters high and 10 meters in diameter, installed in 1988 in the Sicilian Channel, the connection is via a bridge structure with welded steel sections that make up...

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