Academic literature on the topic 'Offshore assembly industry Offshore assembly industry Globalization'
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Journal articles on the topic "Offshore assembly industry Offshore assembly industry Globalization"
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Head, Keith, and Thierry Mayer. "Misfits in the car industry: Offshore assembly decisions at the variety level." Journal of the Japanese and International Economies 52 (June 2019): 90–105. http://dx.doi.org/10.1016/j.jjie.2019.02.005.
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Scott, A. J., and D. P. Angel. "The Global Assembly-Operations of US Semiconductor Firms: A Geographical Analysis." Environment and Planning A: Economy and Space 20, no. 8 (August 1988): 1047–67. http://dx.doi.org/10.1068/a201047.
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The paper begins with a brief description of assembly processes in the semiconductor industry. The organizational structure and geography of the assembly operations of US semiconductor firms are then considered. Two issues in particular are examined, namely (a) the conditions under which vertical integration and disintegration of assembly tend to occur, and (b) the reasons why most semiconductor assembly is performed offshore. Lengthy empirical descriptions are offered of the assembly activities of US semiconductor firms in (a) the United States, (b) Western Europe, and (c) the world periphery and semiperiphery (above all, East and Southeast Asia). The paper concludes with a short critical comment on the theory of the new international division of labor.
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Cabral, Thiago Destri, Antonio Carlos Zimmermann, Daniel Pedro Willemann, and Armando Albertazzi Gonçalves, Jr. "Pipeline Bonded Joints Assembly and Operation Health Monitoring with Embedded FBG Sensors." Engineering Proceedings 2, no. 1 (November 14, 2020): 5. http://dx.doi.org/10.3390/ecsa-7-08208.
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Offshore oil and gas platforms present a harsh environment for their installed infrastructure, with pipelines that are subjected to both a corrosive atmosphere and transport of aggressive chemicals being the most critical. These conditions have prompted the industry to substitute metallic pipelines for composite counterparts, often made from fiber-reinforced plastics assembled with bonded joints. Various technologies have emerged in recent years to assess the health of these composite pipelines. In particular, robust speckle metrology techniques such as shearography, although not capable of long-term monitoring, have produced very satisfactory results. However, these inspection techniques require specialized equipment and trained personnel to be flown to offshore platforms, which can incur in non-trivial inspection costs. In this paper, we propose and demonstrate a robust and cost-effective approach to monitor pipeline bonded joints during assembly and operation using fiber Bragg grating (FBG) sensors embedded into the joints’ adhesive layer. This approach allows for informed decisions on when to perform targeted in-depth inspections (e.g., with shearography) based on both real-time and long-term feedback of the FBG sensors data, resulting in lower monitoring costs, a severe increase in monitoring uptime (up to full uptime), and increased operational security.
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Iwankowicz, Remigiusz Romuald. "An efficient evolutionary method of assembly sequence planning for shipbuilding industry." Assembly Automation 36, no. 1 (February 1, 2016): 60–71. http://dx.doi.org/10.1108/aa-02-2015-013.
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Purpose – The purpose of this paper is to develop the method of generating assembly sequences, which can be used in the shipbuilding industry. The method must take into account the assumptions specific for assembly processes of large-size steel ship hulls, among others, a large number of connections, multi-stage and parallel assembly, set priority relations between connections. Design/methodology/approach – The assembly sequence is presented as a directed acyclic graph, whose vertices are mutually uniquely assigned to connections on a hull structure. The minimization of the number of unmet priority precedence of performing connections has been proposed as a criterion of optimization. The genetic algorithm has been proposed as a method to solve problems. Findings – The proposed method allows to model the acyclic assembly process of welded structures and find solutions minimizing the objective function even for very complex problems. Because of this, the method has a chance to be used in shipbuilding. Research limitations/implications – Mathematical formulation of priority assumptions is quite laborious. The possibility of partial automation of this process should be considered. Due to the complexity of the problem, a relatively simplified objective function has been proposed. In assembling a hull, additional criteria should be taken into account. It is the direction of further research. Practical implications – The method can be successfully used in shipbuilding and in planning the production of other steel welded structures, among others, tanks, components of bridges, offshore structures. Examples of calculations were performed on an actual structure of a hull fragment. Originality/value – A new way of coding the acyclic serial-parallel sequence was designed. The proposed method allows to analyse the sequence using the graph theory. Original, two-part crossover and mutation operators for assembling sequence were proposed.
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Tomporowski, Andrzej, Józef Flizikowski, Weronika Kruszelnicka, Izabela Piasecka, Robert Kasner, Adam Mroziński, and Stepan Kovalyshyn. "Destructiveness of Profits and Outlays Associated with Operation of Offshore Wind Electric Power Plant. Part 1: Identification of a Model and its Components." Polish Maritime Research 25, no. 2 (June 1, 2018): 132–39. http://dx.doi.org/10.2478/pomr-2018-0064.
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Abstract This paper describes identification and components of destructiveness of energy, economic and ecologic profits and outlays during life cycle of offshore wind electric power plants as well as the most useful models for their design, assembly and use. There are characterized technical conditions (concepts, structures, processes) indispensable for increasing profits and/or decreasing energy, economic and ecological outlays on their operation as well as development prospects for global, European and domestic markets of offshore wind electric power industry. A preliminary analysis was performed for an impact of operators, processed objects, living and artificial environmental objects of a 2MW wind electric power plant on possible increase of profits and decrease of outlays as a result of compensation of destructiveness of the system, environment and man.
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Wong, Geoff, Phillip Howard, and Shaun Holmes. "Float-on/float-off wharves: one prepared earlier." APPEA Journal 53, no. 2 (2013): 490. http://dx.doi.org/10.1071/aj12101.
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The recently considered concepts for a wharf development identified a number of options, including conventional wharf topside modules on steel tubular piled foundations, steel-jacket-type modules anchored to the seabed, concrete caissons, and a hybrid wharf substructure with a Gravity Base Structure (GBS) connected into a steel jacket sub-frame. Due to the unprecedented demand for site-based skilled labour and a marine construction plant on the Australian coast from numerous major resource projects, further consideration was given to the pre-assembled hybrid wharf alternative and the associated cost, fabrication yard availability, and transport issues. To overcome the potential limits and risks of constructing and sea-towing a concrete base structure, the preferred option is to use a multi-cell steel base instead of concrete. The GBS method of construction is to use mature technology in the offshore oil and gas industry and can take advantage of modularisation of the substructure and topsides by fully fitting out larger units in overseas fabrication yards. For alternate wharf applications, the GBS has the potential of allowing pre-assembly and pre-commissioning of equipment and systems, or the ability to enhance the substructure installation in readiness for topsides installation (either floatover integral topsides or modular lift). It also opens up a wide choice of existing fabrication yards and shops in China or Korea that either fabricate wharf or jacket substructure components now, or are in close proximity to existing loading-dock facilities. This can result in considerable schedule and cost savings by reducing site (offshore) labour and plant costs.
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Robinson, David Charles, David Adrian Sanders, and Ebrahim Mazharsolook. "Ambient intelligence for optimal manufacturing and energy efficiency." Assembly Automation 35, no. 3 (August 3, 2015): 234–48. http://dx.doi.org/10.1108/aa-11-2014-087.
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Purpose – This paper aims to describe the creation of innovative and intelligent systems to optimise energy efficiency in manufacturing. The systems monitor energy consumption using ambient intelligence (AmI) and knowledge management (KM) technologies. Together they create a decision support system as an innovative add-on to currently used energy management systems. Design/methodology/approach – Energy consumption data (ECD) are processed within a service-oriented architecture-based platform. The platform provides condition-based energy consumption warning, online diagnostics of energy-related problems, support to manufacturing process lines installation and ramp-up phase and continuous improvement/optimisation of energy efficiency. The systems monitor energy consumption using AmI and KM technologies. Together they create a decision support system as an innovative add-on to currently used energy management systems. Findings – The systems produce an improvement in energy efficiency in manufacturing small- and medium-sized enterprises (SMEs). The systems provide more comprehensive information about energy use and some knowledge-based support. Research limitations/implications – Prototype systems were trialled in a manufacturing company that produces mooring chains for the offshore oil and gas industry, an energy intensive manufacturing operation. The paper describes a case study involving energy-intensive processes that addressed different manufacturing concepts and involved the manufacture of mooring chains for offshore platforms. The system was developed to support online detection of energy efficiency problems. Practical implications – Energy efficiency can be optimised in assembly and manufacturing processes. The systems produce an improvement in energy efficiency in manufacturing SMEs. The systems provide more comprehensive information about energy use and some knowledge-based support. Social implications – This research addresses two of the most critical problems in energy management in industrial production technologies: how to efficiently and promptly acquire and provide information online for optimising energy consumption and how to effectively use such knowledge to support decision making. Originality/value – This research was inspired by the need for industry to have effective tools for energy efficiency, and that opportunities for industry to take up energy efficiency measures are mostly not carried out. The research combined AmI and KM technologies and involved new uses of sensors, including wireless intelligent sensor networks, to measure environment parameters and conditions as well as to process performance and behaviour aspects, such as material flow using smart tags in highly flexible manufacturing or temperature distribution over machines. The information obtained could be correlated with standard ECD to monitor energy efficiency and identify problems. The new approach can provide effective ways to collect more information to give a new insight into energy consumption within a manufacturing system.
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Shin, Jong Gye, Youngmin Kim, Yong-Kuk Jeong, Jong Hun Woo, and Cheolho Ryu. "Model-Based Computational Shipyard Dynamics and Its Applications." Journal of Ship Production and Design 36, no. 01 (February 1, 2020): 87–95. http://dx.doi.org/10.5957/jspd.2020.36.1.87.
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A ship production system can be represented by various production factors and production management indicators. To manage such a system efficiently, a theory is required to analyze and predict its behavior. The theory should be able to fully express the relationships between production factors and production management indicators. For this purpose, computational shipyard dynamics was proposed by Kim et al. in the Journal of Ship Production and Design (2018). This methodology includes input variables, output variables, and key performance indicator (KPI) functionals, implemented as a simulation model. In this study, a rigorous approach to realize a model of a complex ship production system is presented by embodying previous research. A model-based ship production system theory is defined, which consists of production factors, production management indicators, and the relationships between them, called the simulation-based KPI functionals. The production factors are defined using a six-factor model, and the production management indicators are defined using KPIs that are already used in shipyards so that they are quantitatively measurable. To verify the proposed theory, it was applied to fabrication shop, panel block assembly line, and ship block logistics simulation cases, which are examples that are similar to the job shop, flow shop, and project shop cases, respectively. Introduction 1.1. Background Approximately 40% of shipyards worldwide have been closed over the last decade. The reasons for this are the economic recession and intense competition. Inefficiency in the production system is not a big problem in the marine shipping industry and offshore-plant-related industries when these industries are booming with high demands and sufficient funding. However, when crises approach, unrevealed problems emerge, and low productivity leads to catastrophes at shipyards.
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Carpenter, Chris. "Technology Focus: Extended-Reach and Complex Wells (May 2021)." Journal of Petroleum Technology 73, no. 05 (May 1, 2021): 58. http://dx.doi.org/10.2118/0521-0058-jpt.
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In selecting papers for this feature, reviewer Stéphane Menand of Helmerich and Payne has identified a trio of papers that investigates new approaches toward familiar issues encountered when drilling complex well types. Whether considering the customization of drilling approaches in Middle Eastern carbonate reservoirs, implementing a collaborative work flow in tackling high-tortuosity wells offshore Western Australia, or researching the ability of a fibrous material to effect hole cleaning as opposed to polymeric sweeps, the authors of these papers understand that technical expertise may not be completely realized if it is not applied to problems in original ways. In carbonate reservoirs, the goal of drilling extended-reach wells is set against the geological makeup of such formations, the complexity of which adds significant uncertainty to geosteering and well placement. The authors of paper SPE 203335 develop a work flow that makes possible the customization of drilling scenarios through an emphasis on mechanical specific energy, as well as the use of an optimized borehole-assembly design. The work flow helped deliver what the authors write is the longest well in the Middle East offshore Abu Dhabi. In a similar vein, the authors of paper SPE 202251 describe a challenging scenario involving an ultraextended-reach well in a mature field offshore Western Australia. The project overcame shallow water depth and a high tortuosity requirement by implementing an integrated plan that used a reservoir-mapping-while-drilling service. The authors stress that this technology, coupled with active collaboration between specialists, town, and rig site, allowed the project to achieve the desired oil-column thickness with zero collision incidents. Highly deviated wells often face problems resulting from ineffective hole cleaning. Paper SPE 203147 studies the properties of a fibrous material when compared with the hole-cleaning performance of common polymeric pills. The authors write that the fibrous material proved effective, in part because of a unique characteristic in which a spiderweb-like network of fibers is created that does not allow cuttings to settle easily in complex wells. In addition, the material is environmentally friendly. All three papers approach well- established problems in the critical industry sector of extended-reach drilling with innovation and confidence. Enjoy the papers and be sure to search SPE’s OnePetro online library for more fresh approaches to the technical challenges posed by these well types. Recommended additional reading at OnePetro: www.onepetro.org. SPE 196410 - Analysis of Friction-Reduction System During Drilling Operation at a High-Inclination Well on Field X by Rizqiana Mudhoffar, Tanri Abeng University, et al. SPE 197257 - Successful Management of Collision Risk in an Extended-Reach Well by Manchukarn Naknaka, Mubadala Petroleum, et al. SPE 202730 - Challenges in Drilling and Completion of Extended-Reach-Drilling Wells With Landing Point Departure of More Than 10,000 ft in Light/Slim Casing Design by Nitheesh Kumar Unnikrishnan, Abu Dhabi National Oil Company, et al.
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Choi, Wooyoung, and Hyun Chung. "Variation Simulation of Compliant Metal Plate Assemblies Considering Welding Distortion." Journal of Manufacturing Science and Engineering 137, no. 3 (June 1, 2015). http://dx.doi.org/10.1115/1.4029755.
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The shipbuilding industry employs numerous cutting and joining processes to build the ship and offshore structure. Welding, as the primary joining process, inherently causes distortion and accounts for most of the major geometrical variation in the intermediate products (IPs), thus adversarially affecting the downstream assembly processes. Because of the welding process, the variation analysis of compliant assemblies in shipbuilding is clearly different from that of the automobile and aerospace industries, where the distortion during the joining process is negligible. This paper proposes a variation simulation model including the effects of joining process distortion for ships and offshore structures. The proposed model extends the concepts of the sources of variation and the method of influence coefficient (MIC) for a compliant mechanical assembly to include the welding distortions. The proposed model utilizes welding distortion patterns and a transformation matrix to efficiently model the deformation due to the joining process. Also the welding distortions are represented as stochastic values due to its randomness. The model is verified by case study simulation and by a comparison with welding experimental results.
Dissertations / Theses on the topic "Offshore assembly industry Offshore assembly industry Globalization"
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Duke, Natalie Anne 1979. "Women on the Line: Strategies of Resistance in the Wake of NAFTA, Global Economic Restructuring, and Transnational Assembly Line Displacement in Mexico." Thesis, University of Oregon, 2009. http://hdl.handle.net/1794/9850.
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xiii, 103 p. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number.NAFTA has had a significant impact on production, exchange, and labor throughout North America. An area significantly transformed by NAFTA is the maquiladora production region in northern Mexico. While once predominantly a female space of labor, we now see more male workers employed by industrial units there than in the past. This thesis interrogates what has happened to the women workers of the maquiladoras. In what ways have NAFTA, global economic restructuring, and the resultant legal atmosphere affected women's daily lives and employment opportunities? What strategies of resistance have these women developed to contend with the new economic landscape? I argue that women are adapting by moving away from the U.S.- Mexico border to work in garment industries and resisting the economic and social pressures resulting from globalization by engaging in subtle protests within in the maquiladoras, opting to participate in the informal economy, and utilizing community groups to facilitate social change.
Committee in Charge: Dr. Anita M. Weiss, Chair; Professor Ibrahim Gassama; Professor Marcela Mendoza
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Semones, Marianne Rutledge. "Made in Vietnam American apparel and textile firms' operations in Vietnam /." Ohio : Ohio University, 2005. http://www.ohiolink.edu/etd/view.cgi?ohiou1126294341.
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Maes, James F. "An analysis of the supply chain management certification training for manufacturers' needs in the Eau Claire, Wisconsin area." Menomonie, WI : University of Wisconsin--Stout, 2006. http://www.uwstout.edu/lib/thesis/2006/2006maesj.pdf.
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Noll, Cheryl Lynn. "The maquiladora industry : an analysis of the attitude toward working by Mexican workers /." The Ohio State University, 1990. http://catalog.hathitrust.org/api/volumes/oclc/29862946.html.
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Mills, Virginia S. (Virginia Sarah). "Gender and work in the Maquiladoras of Ciudad Juarez, Mexico." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60467.
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The establishment of the Border Industrialization Program (BIP) between Mexico and the United States in 1965 led to the creation of free-trade zone assembly factories--or maquiladoras--along Mexico's Northern border and in the interior. Thousands of Mexican women have since entered the industrial export sector as maquiladora workers, and make up the majority of unskilled and semi-skilled assemblers in electronic and apparel maquila plants. This paper agues that maquiladora managers' preference for women is the result of an unquestioning belief in the gender-specific traits of women--such as dexterity, docility, patience--and well-calculated hiring and personnel policies, which have been designed not only to take advantage of the patriarchal system in Mexico and women's weaker social, political and economic position, but to maintain and control women's qualities of "cheapness", "docility", and "productivity", to the advantage of business.
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Manley, Karen Jane. "Factors leading to offshore manufacture of Australian inventions : the case of the orbital combustion process engine." Murdoch University, 1994. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20080115.124359.
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This thesis focuses on the factors which lead to off-shore manufacture of Australian inventions. It establishes this phenomenon as a problem, both in terms of its incidence in the post-war period, and in the strategic importance of innovative activity to economic growth. The thesis utilises a case study approach and concentrates on the experiences of one company, the Orbital Engine Corporation (Orbital). In 1989 Ralph Sarich, inventor of the Orbital Combustion Process (OCP) engine and founder of Orbital, signed an agreement with the Michigan state government to manufacture the engine in the United States of America (USA), in preference to several alternative sites in Australia and overseas. This occurred in the context of Orbital actively pursuing assistance from the Australian government to secure local production. The research question is: Why did Orbital decide to manufacture its engine invention ofshore? A multi-disciplinary approach to this question is adopted. Three different conceptual frameworks are employed: industrial organisation theory, market failure theory and policy network theory. The analysis is not structured around a pre-existing hypothesis; instead, the aim is to generate potential explanations for more rigorous testing by subsequent researchers.
The thesis concludes that, in terms of industrial organisation theory, the decision to manufacture OCP engines off-shore was a function of the poor quality of the Australian industrial context and the failure by those seeking assistance from the Commonwealth government to stress Orbital's status as an exemplary enterprise in Australian industry. Market failure theory indicated that offshore production of the OCP engine was made more likely by the suboptimal operation of the price mechanism, the neglect of market failure arguments by those supporting local production of the engine and 'government failure'. Policy network theory explained Orbital's decision as the result of: ineffective employment of negotiation tactics by proponents of the engine's domestic manufacture; and the chaotic nature of negotiations which allowed certain personal and ideological prejudices to dominate the issue resolution process.
It is shown that some or all of these explanations underlie a number of other examples where Australian inventions have been manufactured offshore. In commenting on policy implications, the thesis points to the economic potential of the Orbital invention and the value of interventionist industry policy. The thesis identifies a number of actions which might be taken to lower the incidence of foreign manufacture of Australian inventions. Further research is necessary to determine the relative importance of the various factors which are identified as leading to offshore production. In addition, there remains a particularly crucial need to improve the social efficiency of existing cost-benefit techniques employed by government policy-makers and commercial analysts.
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Novela, George. "Testing maquiladora forecast accuracy." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.
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Segovia, Villarreal Santiago Eduardo. "Linking worker health and well-being with business performance measures in the maquiladora manufacturing industry in the US-Mexico Border Region." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2008. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.
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Kraus, Jennifer L. "The implementation of ISO 14001-conformant environmental management systems and occupational injury & illness rates along the U.S.-Mexico border /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2002. http://wwwlib.umi.com/cr/ucsd/fullcit?p3071181.
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Stanford, Jane Herring. "Measuring the Implementation of Employee Involvement in the Maquiladora Industry : A Matched-pairs Analysis of United States Parent Companies and Their Mexican Subsidiaries." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc278521/.
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Participative management practices between United States parent companies in the maquiladora industry and their Mexico assembly plants were investigated for this study. It was hypothesized that managers of parent maquiladora companies in the United States encouraged greater levels of worker participation than did expatriate managers in Mexican subsidiaries. However, the findings of this study indicate that expatriate managers in a number of the Mexico subsidiaries are currently implementing employee involvement approaches. In some instances, highly participative team-based approaches are being used.
Books on the topic "Offshore assembly industry Offshore assembly industry Globalization"
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Welsum, Desiree van. We can work it out: The globalization of ICT-enabled services. Cambridge, Mass: National Bureau of Economic Research, 2006.
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Ensamblando culturas: Diversidad y conflicto en la globalización de la industria. Barcelona: Gedisa, 2002.
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Feenstra, Robert C. Globalization, outsourcing, and wage inequality. Cambridge, MA: National Bureau of Economic Research, 1996.
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Antràs, Pol. Organizing offshoring: Middle managers and communication costs. Cambridge, Mass: National Bureau of Economic Research, 2006.
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1971-, Sharma Ajay, ed. The Services Shift: Seizing the Ultimate Offshore Opportunity. Upper Saddle River, N.J: FT Press, 2009.
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Grossman, Gene M. Trading tasks: A simple theory of offshoring. Cambridge, Mass: National Bureau of Economic Research, 2006.
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La industria maquiladora de exportación en el estado de Yucatán y el desarrollo regional. Mérida, Yucatán, México: Ediciones de la Universidad Autónoma de Yucatán, 2008.
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Globalização e reestruturação produtiva: Um estudo sobre a produção offshore em Manaus. Manaus, AM: EDUA, Editora da Universidade Federal do Amazonas, 2007.
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Armbruster-Sandoval, Ralph. Globalization and cross-border labor solidarity in the Americas: The anti-sweatshop movement and the struggle for social justice. New York, NY: Routledge, 2005.
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Núñez, Huberto Juárez. Allá-- donde viven los más pobres: Cadenas globales, regiones productoras, la industria maquiladora del vestido. México, D.F: Universidad Obrera de México, 2004.
Find full textBook chapters on the topic "Offshore assembly industry Offshore assembly industry Globalization"
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"22. Mrs. Clinton Will Never See Me Working There: The Offshore Assembly Industry." In Fault Lines, 176–83. Cornell University Press, 2017. http://dx.doi.org/10.7591/9780801468322-025.
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Higuchi, Toru, and Marvin Troutt. "Partial Dispersion." In Life Cycle Management in Supply Chains, 273–90. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-555-9.ch013.
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In this chapter, we discuss the partial dispersion of manufacturing facilities and offshore production. It is better to locate most suppliers and manufacturers in close proximity at the beginning of the life cycle. However, as time passes, companies start locating assembly facilities in the other advanced countries for sales promotion and, sometimes, cost cutting. It becomes desirable for the manufacturers to avoid trade friction and to penetrate foreign markets quickly. The standardization of the product including the modularity of the parts makes it possible to do so. The partial dispersion at the standardized stage of the VCR industry is demonstrated in the latter part of this chapter.
Conference papers on the topic "Offshore assembly industry Offshore assembly industry Globalization"
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Lamas-Rodríguez, A., J. Pernas-Álvarez, and I. Taracido-López. "Constrained-based discrete-event simulation of an assembly job shop in the offshore wind industry." In The 32nd European Modeling & Simulation Symposium. CAL-TEK srl, 2020. http://dx.doi.org/10.46354/i3m.2020.emss.009.
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Campello, George, Fabiano Bertoni, José Renato M. de Sousa, Marcos Carpigiani, Eduardo Vardaro, and Guillermo Mudry. "A Novel Concept of Flexible Pipe End Fitting: Tensile Armor Foldless Assembly." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83511.
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The structural behavior of the flexible pipe tensile armors inside the end fitting (EF) is different from the one observed in the pipe body. The actual design methodology shows that the end fitting of the riser top section (at the interface with the floating unit) is critical with respect to fatigue, as stress concentration that occurs in this region during the end fitting assembly leading to significant plastic strains. Aiming at improving the structural performance of flexible risers, Petrobras designed and patented a novel concept of flexible pipe end fitting in which its assembly can be carried out without the need of folding the tensile armor thus avoiding the introduction of plastic strains and residual stresses in this layer. In order to assess and quantify the benefits of this new concept, in this work, a comparative study between the current end fitting concept used by the industry and the new technology proposed by Petrobras was conducted. This study comprises not only the stress distribution along the wire inside the end fitting but also the fatigue performance. For this purpose, finite element analyses have been carried out considering the entire end fitting mounting process and also the operational loads. These analyses were calibrated with results from midscale tests in which a longitudinal slice of the real end fitting was simulated. An instrumented tensile armor wire was embedded in the resin epoxy and pulled out from a test device. The results obtained show that the using of the proposed technology results in a considerably end fitting fatigue performance improvement.
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Le-Naour, Frederic, Antoine Marret, Kenny MacLeod, Romain Vivet, and Ida Margaretha Aglen. "Electrical & Optical Double Barrier Qualification and Implementation on FENJA Electrically Trace Heated Pipe-in-Pipe Project." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31214-ms.
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Abstract This paper provides an overview of the work completed to design, qualify, manufacture and integrate electrical and optical double barrier penetrators with the Electrically Trace Heated Pipe-in-Pipe (ETH-PiP) as part of the Neptune Energy Fenja Development Project. Typical subsea penetrator systems in the oil and gas industry, such as pumps, compressors and X-trees are designed to be retrievable, to enable periodic refurbishment as well as providing the option for replacement, if required. However, the ETH-PiP architecture makes retrieval of system components complicated and uneconomical. Both the electrical and optical dual barrier penetrator system designs have to comply with a set of ETH-PiP specific criteria, such as to be maintenance free over a 25 years service life, prevent water ingress to the pipeline, provide pressure containment for operational media (in an unlikely scenario where the inner pipe bursts) and guarantee minimum footprint to allow an optimum integration onto the Pipeline End Termination (PLET) structure. In addition, the electrical system has to comply with a medium voltage rating (i.e. 5.0/8.7kV) to ensure a wide range of possible ETH-PiP architectures. The optical system has to maintain insertion loss below 0.5dB and a back reflection below -45dB to comply with the stringent requirements of distributed temperature monitoring sensor system over long distances. The qualification program of the electrical dual barrier penetrator system was performed in accordance with IEC 60502-4 and SEPS-SP-1001. A tailor made sequence had to be developed for the optical system, based on guidance from SEAFOM-TSD-01, considering that the system partly falls outside the associated standard application. The electrical dual barrier penetrator system qualification sequence was developed in two phases; firstly, the electrical transition contacts in the feedthrough chamber were qualified in accordance with IEC 60502-4 and secondly, four electrical double barrier penetrator prototypes were manufactured to allow the completion of the qualification sequence defined as per SEPS-SP-1001. The optical dual barrier penetrator system qualification employed the manufacturing of three prototypes to execute the pre-defined qualification sequence. Following the individual qualification of the electrical and optical dual barrier penetrator systems, subsequent welding and full-scale assembly trials were performed to ensure that the maximum allowable temperatures within the penetrators would not be exceeded during welding to the PLET, and to proof test the assembly procedure. Electrical verification testing was also undertaken during these trials to verify that the integrity of the penetrators had been maintained during the assembly and that the PLET arrangement did not give rise to any electrical stresses that could result in excessive deterioration of the penetrators. Integration of the four electrical and two optical dual barrier penetrator systems to the project PLET was completed in Q1 2020, with the actual subsea installation of the first ETH-PiP section including the PLET in Q3 2020.
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Metzger, Dave. "Bolted Joint Integrity Management: Implementing Industry Best Practice." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49494.
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Holistic asset management aimed at all aspects of improved safety and business performance has identified poor bolt tightening as a major cause of leaks, thereby raising the need for understanding the concept of joint integrity and in particular the requirement to apply more control throughout this often overlooked process. The UK government’s Health and Safety Executive has reported on industry poor practice in offshore oil and gas applications, and working with the United Kingdom Offshore Operators Association (UKOOA) has produced guidelines and recommendations for the reduction of hydrocarbon leaks from bolted joints. This recommended safe practice, the lessons learnt and the guidelines made are equally applicable to the power generation industry and in particular the nuclear one. The goals of leak free assembly, failure reduction and the elimination of wasted time and effort are achieved through the use of a risk based approach and the implementation of industry best practice. Building on experience learnt from the petrochemical industry: - this paper will provide guidelines relevant to the nuclear power generation industry for leak avoidance using risk assessment methods and competency management to establish the principles of a Joint Integrity Management System and highlight best industrial practice.
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Acharya, Sunil, Rhushik Matroja, Mohammad Elyyan Elyyan, Henri De Charnace’, and Yi Zhang. "Novel Design Optimization for Additive Manufactured Components." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/30956-ms.
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Abstract In the last 10 years, Metal Additive Manufacturing (AM) has matured substantially [1,2]. The evolution of metal powder-bed AM now, facilitates production-quality parts to be manufactured. Additive manufacturing has specially attracted attention for its ability to manufacture parts with complex shapes that are cost-ineffective or impossible to manufacture with traditional technologies. For Oil and Gas industry, this ability to manufacture complex shapes offers unprecedented opportunity to redesign and optimize wide ranging components from cutting heads, heat exchangers [3], pumping and filtration equipment to drill motors, inline static-mixers and flanges. as well as advantages over traditional manufacturing techniques. The present work shows how optimization and simulation tools are valuable in rapid development of more efficient and light-weighted components that take advantage of the 3D printing process. Additive Manufacturing, while promising offers its own challenges related to process parameter optimization and part distortions. So, testing new paradigm-shifting design becomes time consuming and expensive trial and error process. Computational methods for optimization and physics simulation reduce the risk of testing new designs concepts and make the transition to new products efficient and inexpensive. Conventional design and design-optimization techniques typically do not apply for AM part design. The flexibility of AM in generating complex shapes implies a lesser number of components and implicit savings in assembly. Also, the possibility of latticed structures allows for reduced components through consolidation. The ability to incorporate these structures broadens the design criteria to achieve previously unforeseen possibilities. After arriving at the part design, the "print design" needs to be addressed. The AM process involves large thermal transients, phase change and non-linear material properties potentially leading to distortions and residual stresses in the finished component. Process simulation is valuable in estimating stresses generated in components, distortion, and adequacy of the support design. The presentation illustrates the simulation methodologies in design, multi-physics and process optimization for a drill-head geometry.
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Li, Bodong, Vahid Dokhani, Chinthaka Gooneratne, Guodong Zhan, and Zhaorui Shi. "Offshore Implementation of Temperature Microchip Under Critical Well Conditions." In SPE Offshore Europe Conference & Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205438-ms.
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Abstract Drilling microchips are millimeter-size sensing devices, capable of measuring in-situ downhole temperature, and at the same time, withstanding harsh downhole conditions. In this work, 140 microchips were dropped from the drill pipe during the connections. The devices travel through the bottomhole assembly (BHA), drill bit, annulus, and eventually get recovered at the shale shaker. A total of 80 microchips were recovered at the shaker, which resulted in a physical recovery rate of 57%. The microchip recorded the dynamic temperature profile of the entire wellbore including a long openhole section only a few hours before the well turned into total loss. The data downloaded from the microchip shows an excellent consistency throughout the three tests. The measured dynamic bottomhole temperature provides a correction of 10 deg F to the best practice of the industry in terms of downhole thermal simulation, offering valuable measured input for the optimization of thermal activated LCMs or cementing job. To our best knowledge, it is the industry's first successful attempt in logging an openhole section in a highly loss zone. The microchip recorded the dynamic temperature profile of a long open hole only a few hours before the well turned into a total loss. Due to the lack of industrial solutions for downhole temperature measurement under such conditions, the microchip technology showed unique advantage for critical applications, especially in operations with highly valued assets.
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Paboeuf, Stephane, Luc Mouton, Quentin Sourisseau, and Anne-Charlotte Goupil. "Towards a Robust Offshore Bonded Repair Strength Evaluation." In SNAME 26th Offshore Symposium. SNAME, 2021. http://dx.doi.org/10.5957/tos-2021-14.
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Since the early 2000s, the number of Floating Production, Storage and Offloading (FPSO) units is increasing significantly. And so now, half of the fleet is over than 10 years old. As FPSO are mainly installed in tropical areas, with marine environment, high temperature and high humidity, corrosion is a permanent threat. Maintenance of steel structures become a challenge for oil major companies in offshore operation. Indeed, when allowable corrosion limit are reached, plates are to be repaired. However the current “crop and renew” technique implies a number of major issues for owners such as: “hot work”, i.e., welding; temporary structure weakening; necessity to empty, clean and vent oil tanks, leading to a long down time and an expensive solution. “Cold repair”, such as bonded repair, is an obvious solution, due to a short down-time and non-intrusively process. However, currently no standards or rules exist for this kind of repair and engineering faces problems as basic as strength qualification. To address the lack of knowledge on the strength assessment of bonded repair for primary structure, Bureau Veritas Marine & Offshore launched a Joint Industrial Project (JIP) named StrenghBond Offshore with oil companies, shipyards and suppliers. The main objectives of the JIP are to: Assess short term and fatigue strength of typical bonded repairs, Enrich knowledge of adhesive joints strength on typical offshore repairs cases, Enable a better evaluation of the margin between the actual strength of a repair and the design load, Validate the characterisation procedure for strength prediction of bonded assembly, Define a robust strength prediction method, Gather the collected experience in a industrially applicable guideline, Standardise qualification process for offshore composite bonded repairs. The project intends to provide a design approach for bonded reinforcement that is design orientated, accurate and recognized by the offshore industry.
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Xiang, Sherry, Peimin Cao, Jeff Otten, Lei Jiang, and Sean Bian. "Top Tensioned Riser Interface With Dry-Tree Semisubmersible." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24624.
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Dry Tree Semisubmersibles (DTS), with the capability of supporting surface wellheads and allowing drilling and completion through direct vertical access risers, have attracted intense interest from the oil and gas industry. A wet tree deep draft semisubmersible has been carefully reconfigured considering the balance between the overall floater configuration and the tensioner stroke for a harsh environment application. A large amount of simulation efforts have been performed for the optimization of the integrated hull/deck/mooring/riser system. Recently, a basin model test was also successfully completed and further demonstrated its technical feasibility. The paper presents the overall design of a Top-Tensioned Riser (TTR) system for a DTS application focusing on the complexity of the DTS-TTR interface including ram style tensioning system, riser conductor and riser top assembly design with keel joint, etc. Due to the heavy weight of the TTR system in the ultra-deep water application, the riser top sections are subject to high reaction loads with the DTS in severe environments. The riser system faces the challenge to have a feasible and economic top assembly design. In this paper, an engineered riser conductor pipe is introduced to interface the riser top assembly with hull. The riser conductor pipe, which spans from deck to keel, is integrated with riser top assembly and the tensioner system design. The riser conductor protects the riser in the splash zone and prevents the high reaction loads directly transferring from hull to riser, thus reducing the riser keel joint and tension joint size. The feasibility and performance of the TTR system are demonstrated through the static and dynamic analyses. Pipe-in-pipe (PIP) contact model is employed in the simulation to ensure the dynamic interaction loads between riser and riser conductor are captured. The TTR overall system design consideration for the DTS application is discussed.
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Singhal, Gaurav, Aengus Connolly, Manuel Laranjinha, Colin McKinnon, and Alan Mortimer. "Independent Assessment of Current Floater Concepts for Floating Wind Application." In SNAME 26th Offshore Symposium. SNAME, 2021. http://dx.doi.org/10.5957/tos-2021-04.
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Most of the offshore wind developments to date, globally, have been bottom-fixed foundations located in shallow waters (<30m water depth) and in close proximity to shore. However, as technology improves and as space for near-shore sites decreases, offshore wind development is projected to trend towards deeper waters. Floating wind is thus expected to become one of the leading renewable energy sources over the next decade or so. Notably, the success of pilot projects in Europe has confirmed the viability of floating wind technology, drawing in additional developers to the market. In the United States, there is a significant potential for floating offshore wind off the coast of California, Maine, and Hawaii. While the majority of current floating wind activity is concentrated in <200m water depth, further technology improvement coupled with experience from floating oil and gas developments will lead to even deeper floating wind projects in the future. One key aspect for floating wind technology is the floater foundation that will support the wind turbine assembly. The entire unit will be moored to the seabed and be subject to challenging environment conditions throughout its service life (akin to a floating oil and gas production facility). There are several floating wind concepts currently in the market - a handful are field-proven at pilot project scale but the majority are still in development phase, each with their own unique offering. The purpose of this paper is to perform an independent qualitative assessment of the current floating wind concepts. The assessment will focus on aspects related to technology readiness, design complexity and scalability, material selection, constructability, installation, operations, and maintenance. This paper provides the offshore wind industry with an unbiased opinion on available designs as well as an insight into perceived challenges for future developments. As a disclaimer, it is noted that Wood has utilized public-domain information for this study and has no preference towards any existing floating wind concepts or designs.
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Emelander, Tom. "Industry's First Sidetrack in 12-1/4-in Casing Enables Operator to Re-Establish Production in GOM." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31245-ms.
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Abstract In a Gulf of Mexico (GOM) ultradeepwater well, liner integrity issues forced an operator to consider milling a conventional casing exit to sidetrack as deep as possible to re-establish production. Milling a window in 12 -1/4-in. heavy wall casing above the liner hanger had never been achieved before because of the thickness and grade of casing. A successful installation would require significant preplanning and testing to prove capability before real-world application. The service provider recommended an off-the-shelf solution to accommodate a 12 -1/4-in. casing exit. It was determined that the best fit for the application would be the standard equipment used for exits out of 10 -3/4-in. casing, given the similar internal diameters (IDs). Despite never having performed an installation in this casing size, the provider had a successful run history for exits in heavy weight casing strings. Job challenges included avoiding cutting a casing connection, managing swarf, milling through a centralizer, and achieving a low dogleg for production packers. Additional challenges included torque limitations, mill gauge, and the limestone formation. An 8-in. outside diameter (OD) system with mechanical anchor and 9 -7/8-in. OD mills was sent to a test well designed to replicate the target section of the offshore well. Based on determinations made in the planning phase, milling of the window and rathole would be staged in two trips. Additionally, a replica drilling bottom hole assembly (BHA), 8 -5/8-in. casing, and a replica production packer would need to pass through the window to ensure both window quality and low enough dogleg. Dogleg data was acquired through multiple logging runs during the 10-day operation. The installation went as planned, along with an additional custom window elongation run to decrease the dogleg severity to approximately 4.5°/100 -ft (30m). Having successfully validated the equipment for the application, the operator and servicer prover were comfortable moving onto the GOM well. Considering the test results, the team planned to mill the window and rathole in one trip. They achieved the 22 -ft long window and 15 -ft rathole in one run that lasted 26 hours. This installation is the first sidetrack conducted with a whipstock in 12 -1/4-in. casing. This paper shows that a safe, reliable casing exit installation is possible in difficult applications, such as uniquely heavy wall casing, even though it may previously have been considered impossible. This successful application provides the industry with contingency options in similar scenarios.
Reports on the topic "Offshore assembly industry Offshore assembly industry Globalization"
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Head, Keith, and Thierry Mayer. Misfits in the Car Industry: Offshore Assembly Decisions at the Variety Level. Cambridge, MA: National Bureau of Economic Research, February 2019. http://dx.doi.org/10.3386/w25614.
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Hanson, Gordon. The Effects of Offshore Assembly on Industry Location: Evidence from U.S. Border Cities. Cambridge, MA: National Bureau of Economic Research, December 1995. http://dx.doi.org/10.3386/w5400.
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