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7 results for “offshore platform”
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Research ArticleOpen accessPhrase in the titleEvaluation of Global Positioning System Data for Offshore Platform DeformationAbdul Nasir Matori, Nurrohmat WidjajantiProblem statement: Reservoir compaction and shallow gas migration phenomena may cause offshore platform to experience deformation which if happens excessively will affect their structural integrity. Approach: Hence it is crucial to monitor and quantify the magnitude of the deformation especially if they are not uniform throughout the platform structure. However since mostly the offshore platforms are few hundreds kilometers away … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 1 · 27 Jan 2011 · 8,698 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffect of Joint Flexibility on Overall Behavior of Jacket Type Offshore PlatformsMasoud Mirtaheri, Hossein Ali Zakeri, Pejman Alanjari, Mohammad Amin AssarehProblem Statement: Nonlinear behavior of offshore structure is attracting tremendous amount of attention in recent years. Response of these structures is strictly dependent upon behavior of their joints. Because of the lack of information about this part of a structure, most of the recent analysis and designs do not contain appropriate material in the case of joints. In most cases, … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 1 · 31 Mar 2009 · 8,053 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleExperimental Modeling of Pile-Leg Interaction in Jacket Type Offshore Platforms Cyclic Inelastic BehaviorM.R. Honarvar, M.R. Bahaari, B. AsgarianOffshore platforms in seismically active areas should be designed to survive in the event of severe ground excitations with no global structural failure. The annulus between the pile and leg in jacket-type offshore platforms can be filled with cement grout as a means of reducing horizontal deflections, inhibiting corrosion and preventing local damages. This paper discusses an experimental approach which … …American Journal of Applied Sciences, Vol. 5, Issue 11 · 30 Nov 2008 · 7,004 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleReliability-Based Earthquake Design of Jacket-Type Offshore Platforms Considering Pile-Soil-Structure InteractionBehrouz Asgarian, Hossein AgheshluiThere are plenty of uncertainties in environmental condition of ocean and also in platform element capacities. Reliability-based method could consider these uncertainties. A reliability-based earthquake design method was used to determine the earthquake LRFD parameters for two conventional, steel, pile-supported (template-type) offshore platforms located in the Persian Gulf. The pile-soil-structure interaction, the buckling and postbuckling behavior of the braces were … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,509 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleNonlinear Behavior of Single Piles in Jacket Type Offshore Platforms Using Incremental Dynamic AnalysisMohammad Amin Assareh, Behrouz AsgarianThe operation for offshore oil has become an important issue in the recent years. Offshore platforms are some of those structures which are built to withstand environmental and accidental loads during oil exploitation operation. One of the most usual types of these platforms is the Jacket Type Offshore Platform (JTOP) which can be divided into three important parts, which are … …American Journal of Applied Sciences, Vol. 5, Issue 12 · 31 Dec 2008 · 9,299 accessesView PDFCite
Review ArticleOpen accessIn the abstractEducational Challenges in Computer-based Finite Element Analysis and Design of StructuresVagelis Plevris, Gro MarkesetComputer simulations and computational methods, such as the Finite Element Analysis (FEA) have become essential methodologies in science and engineering during the last decades, in a wide variety of academic fields. Six decades after the invention of the digital computer, advanced FE simulations are used to enhance and leapfrog theoretical and experimental progress, at different levels of complexity. Particularly in … …Journal of Computer Science, Vol. 14, Issue 10 · 26 Oct 2018 · 8,625 accessesView PDFCite
Research ArticleOpen accessIn the abstractWellbore Surveying While Drilling Based on Kalman FilteringMahmoud ElGizawy, Aboelmagd Noureldin, Jacques Georgy et al.Problem statement: Oil and gas are global fuels obtained primarily from drilling wells in underground terrestrial reservoirs. Vertical drilling is preferred because of its simplicity and therefore low cost, but subsurface targets can often be procured only by directing the wellbore along predefined non-vertical trajectories. For instance, directional drilling must be employed to reach locations inaccessible to the drilling rig, … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 2 · 30 Jun 2010 · 8,577 accessesView PDFCite