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Keywords: platform
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1128
... and downhole pressure in a riserless dual gradient drilling (DGD) system. A coupling model of platform motion-drill string vibrationdownhole pressure in a hydrate reservoir was established. The effects of drilling platform positioning, environmental factors, drilling fluid density and mud pump...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1170
... ABSTRACT A tension-leg platform (TLP)-type floating offshore wind turbine (FOWT) has deteriorated stability and experiences transient responses under tendon failure. This should be considered as part of accidental limit state checks at the design stage. The WindStar TLP FOWT is considered in...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1167
.... It is found that platform draft, column spacing, pontoon angle and width have a significant influence on nacelle acceleration and tower base fatigue, while the pontoon height and the wall thickness are less important. INTRODUCTION The deep ocean contains abundant wind energy resources. The...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1168
... coefficient pawec platform wave energy convertor wind turbine wave power generation wind energy sustainability absorber wave energy converter hydrodynamic interaction semi-submersible platform wave direction power generation Numerical analysis of a floating semi-submersible wind turbine...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1274
... focus on the modelling approach used for a semi-submersible platform, the calculation of the different ice load and ‘shielding effect’ according to the ice incidence angle. The time series of load will be applied to moored submersible to calculate the motion response and tension force. The result can be...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1329
... ABSTRACT SDPSO platform is a deep-draft floating platform integrating the critical functions of drilling, dry-tree production, oil storage, and offloading capabilities, and improves the flexibility of the technical solution and reduces the overall cost of deepwater oil field development. Most...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1282
... ABSTRACT Under extreme met-ocean environmental loads, floating platforms may exhibit complex dynamic states. This paper provides a novel method to predict the extreme motions of floating platform based on deep learning algorithm which can provide some guidance for workers in platform. The...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1188
... ABSTRACT The limit state of a newly proposed floating wind turbine concept, in terms of ultimate structural load and fatigue damage load, is studied in the present work. This novel floating structure utilizes a triple-column spar platform to support the wind turbine. An aero-hydro-servo-elastic...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1275
... platform was developed. This model, through which oil or gas transportation is carried out regularly, is economical and practical (Wu, 2012). It consists of a mooring frame, mooring leg, yoke and single point, and has 13 hinge points such as universal joint and thrust bearing, which are located at floating...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1295
... similarly in the model test, indicating the feasibility of this continuous simulation method. INTRODUCTION As the topside of offshore platform becomes larger and larger, twin-barge float-over installation is widely used as a cost-effective alternative for installing large-scaled topside, compared with...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2118
... ABSTRACT By controlling the ballast water to adjust the buoyancy of the platform to achieve automatic float. Designing a fuzzy PID controller for the characteristics of strong nonlinearity, time-varying and susceptibility to the process of blowing off ballast water. In order to simplify the...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2153
... Bay of China, which would be developed by three production wells and two water injection wells. The nearest existing platform is about 16.1 km away from the marginal oilfield and the existing pipe network contains five pipelines. In order to realize the development of this marginal oilfield, the...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1284
... platform artificial intelligence oil field unmanned platform platform optimization field development efficiency big data visualization oil and gas requirement diagnosis offshore intelligent oilfield 1 wellhead platform operation intelligent system intelligent oilfield 1 Digitalization...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1276
... example, the article considers the interaction of ice formations in the form of flat ice fields and their fragments with the legs of the Jack- Up platform, and their geometric parameters (area and thickness) are determined at which the ultimate state of the marine engineering structure does not occur...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1179
... quality throughout the simulation and avoids mesh distortions. fpso floating production system interpolation reservoir simulation overset mesh method fowt mooring system renewable energy platform mesh cylinder boundary condition background mesh time series experimental result...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1184
... ABSTRACT Tension leg platform (TLP) floating wind turbines (FWTs) experience high-amplitude, dynamic structural vibrations under complex loading conditions. Tuned mass dampers (TMDs) are a simple yet effective means to reduce such loadings. This work focuses on load reduction by TMDs for the...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1324
... ABSTRACT Minimal structures of jacket platforms are commonly applied in development of marginal offshore oil and gas fields. It is subjected to continuous cyclic wave loads during services, causing fatigue damage to the platform structures. In design of this kind of structures, assessments of...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2115
... ABSTRACT A prototypal robotic platform that consists of a small autonomous surface vehicle (ASV) and of a micro-ROV, connected by an umbilical, is described. 4G/internet connection makes it possible to operate the platform from remote location. The operator can concentrate on guiding the micro...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1321
... ABSTRACT Compliant tower platform is a fixed rig structure normally used for the offshore production of oil or gas. The platform consists of narrow, flexible (compliant) towers and a piled foundation supporting a conventional deck for drilling and production operations. Compliant towers are...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2169
... ABSTRACT SCRs have been found to have the advantages of relatively low manufacturing cost and good adaptability of floating platform's motion. For deepwater SCRs in extreme harsh environment, a steel lazy-wave riser has been adopted for reducing vessel payload and to decouple vessel motion in...

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