• Title, Summary, Keyword: Offshore equipments

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A study on entry into the offshore service market through slack model (해양플랜트 서비스 시장에의 진입 방안 연구 -슬랙모델을 이용하여-)

  • Oh, Jin-Seok;Kim, Gil-Soo;Merdas, Reza;Jang, Jae-Hee
    • Journal of Navigation and Port Research
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    • v.38 no.2
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    • pp.163-170
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    • 2014
  • Domestic offshore business is oriented toward building drill-ships, FPSOs(Floating Production Storage and Off loading). But the equipments needed for offshore platforms are not so developed in Korea because the equipments can not be verified in Korean territory where the offshore platforms are not stationed. This study aims at finding some methods on entering into OSI for the maintenance and disassembly of fixed offshore platforms. Slack model is adopted to find out how slack assets could play a role in penetrating foreign markets. Firstly, entry into the South East Asian market is recommended. Secondly, forming a consortium is suggested by which taking part in offshore market can be easier. Finally, strategic plans for obtaining the technology for ship building equipments are needed as well as government support.

A Study on Accelerating Marine Equipments Industry for Enforcing Competitiveness of the Offshore Plants Industry (해양플랜트산업 경쟁력 강화를 위한 조선기자재산업 고도화에 관한 연구)

  • HA, Chang-Seung;JUNG, Dae-Hyun
    • Journal of Fisheries and Marine Sciences Education
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    • v.27 no.5
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    • pp.1369-1379
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    • 2015
  • This study attempted an AHP analysis through interview with experts in the industries and questionnaire survey on recognition of organization members and future strategic development direction in order to upgrade shipbuilding equipment industries to marine plant equipment industries. Key research results are as follows. First, according to analysis on relative priority between three aspects on acceleration of shipbuilding equipment industries, importance was shown in the order of acceleration of internal competence, acceleration of manufacturing technology, and acceleration of supply chain, which means that the aspect on acceleration of internal competence had relatively higher importance. Second, as for relative importance of detailed item evaluation per respective aspect, it was found that development of core competencies was high from the aspect on acceleration of internal competence, higher value-addition was high from the aspect on acceleration of manufacturing technology, and IT infrastructure construction was high from the aspect on acceleration of supply chain.

Establishment of Construction Procedure on the Off Shore Piping Work of a LNG Unloading Project (LNG 하역 플랜트의 Off Shore 배관시공절차 확립에 관한 연구)

  • Kim, Yong-Tan;Moon, Seung-Jae;Yoo, Hoseon
    • Plant Journal
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    • v.5 no.4
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    • pp.80-85
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    • 2009
  • LNG stevedoring plant offshore pipelines requires human power and the longest construction period in constructing LNG storing terminal and influences on the success of the project absolutely. In this paper, the constructing procedures of LNG stevedoring plant offshore pipeline was established. Establishment of constructing procedures of LNG stevedoring plant offshore pipeline includes procurement of main equipments, iron frame and pipelines. To predict any expectable problems, that may occur by the stage of construction the application to the field works with a base of theoretical and practical contents for the constructing procedures of LNG stevedoring plant offshore pipelines can be established.

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Change of relative fishing power index from technological development in the offshore large powered purse seine fishery (근해대형선망어업에서 어로기술개발에 따른 어획성능지수 변동)

  • SEO, Young-Il;HWANG, Kang-Seok;CHA, Hyung-Kee;OH, Taeg-Yun;JO, Hyun-Su;KIM, Byung-Yeob;RYU, Kyong-Jin;LEE, Yoo-Won
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.53 no.1
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    • pp.12-18
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    • 2017
  • Lots of fishery stocks are overexploited and the overcapacity exists in Korean fishing fleets. One of the reasons is technological development, which increases the efficiency of the vessels continuously. The analysis was conducted to identify the change of fishing power index to develop the vessel and gear technology that may have improved the fishing efficiency of the offshore large powered purse seine fishery from 1960s to 2010s. Gross tonnage and horse power per fishing vessel was increased annually. Fishing gear material was changed to the knotless webbing to settle faster. Fishing equipments was modernized and supply rate was also increased. Therefore the relative fishing power index in the offshore large powered purse seine fishery increased from 0.4 in 1970 to 1.0 in 1980, to 1.5 in 2000 and to 1.6 in 2010, but the rate of increase slowed down gradually. The results are expected to contribute to reasonable fishery stock management.

Case Study for Development of Maintenance System for Equipment of LNG-FPSO Topside (LNG-FPSO Topside 장비를 위한 보전시스템 개발을 위한 사례 연구)

  • Lee, Soon-Sup;Kim, Jong-Wang
    • Journal of Ocean Engineering and Technology
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    • v.28 no.6
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    • pp.533-539
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    • 2014
  • A maintenance system for an offshore plant uses an optimal maintenance method, process, and period based on operation information data and economic evaluation techniques. Maintenance is performed after one or more indicators show that equipment is going to fail or that equipment performance is deteriorating. A maintenance system is based on the use of real-time data to prioritize and optimize the LNG-FPSO topside equipment resources.

FEA Procedure for Design Certification of Drillship Flare System (드릴십용 플레어 시스템의 설계승인을 위한 전산해석 절차)

  • Choi, Joo Hyoung;Heo, Tae Wook
    • Transactions of the KSME C: Technology and Innovation
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    • v.1 no.1
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    • pp.27-31
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    • 2013
  • The Flare system is the offshore plant equipment for protecting humans and equipments from high heat radiations of waste gas and oil burning. As Primary equipment of well test systems, the flare system is essential Class(DNV, ABS etc) design certification. Therefore, this paper is introduced to be related to computational analysis of flare system design certification procedure.

A Noise Prediction of Floating, Production, Storage and Offloading(FPSO) (부유식 석유생산.저장.하역선박의 소음해석)

  • Kim, Young-Hyun;Kim, Dong-Hae
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • pp.307-310
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    • 2000
  • Recently, the demand for the Floating, Production Storage, and Offloading facility(FPSO) which has some economic and technical advantages, has increased in offshore oil production areas. The basic characteristics of a 343,000 DWT class FPSO which is being built in Hyundai Heavy Industries and shall be installed in offshore Angola, is almost same as that of oil carriers. However, she do not have self-propulsion system, but has additional facilities for oil production and positioning system. Main noise source contributing to the cabin noise of the accommodation, are classified into the machine in the engine room and the deckhouse, HVAC system, and the topside equipments. In general, the noise regulation for the offshore structure is much severer than that of the common commercial ships and the maximum acceptable sound pressure level of cabins is specified in 45dB(A). This paper describes the procedure of noise analysis along with its results. Noise analysis has been carried out for the case of emergency diesel generator running condition and the case of normal production condition and the results has been compared with the measurement results of the first case. Based on the results, proper countermeasures to reduce excessive noise level has been applied considering the characteristics of sources and receiver spaces and can be satisfied the specifications at all spaces.

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A Noise Control of a Floating, Production, Storage and Offloading (FPSO) (부유식 석유생산/저장/하역 선박(FPSO)의 소음예측 및 저감)

  • Kim, Dong-Hae;Ko, Kyung-Eun
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • pp.550-553
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    • 2004
  • Recently, the demand for the Floating, Production, Storage, and Offloading facility (FPSO) which has some economic and technical advantages, has increased in offshore oil production areas. The 36,8000 DWT class FPSO was built in Hyundai Heavy Industries and will be installed in Offshore Angola. She dose not have self-propulsion system, but has additional facilities for oil production and positioning system. Main noise sources are contributing to the cabin noise of the accommodation are classified into three classes such as the machinery in the engine room and the deckhouse, HVAC system, and the topside equipments. In general, the noise regulation for the offshore structure is severer than that of the cargo ship and acceptable noise limit of cabin is specified as 45 dB(A). This paper describes the procedure of noise analysis, the countermeasures of noise control, and the measurement results of the quay trial. In order to minimize the noise levels, careful attention have to be paid by the special committee of experts from the initial design stage to the delivery. Proper countermeasures, considering the characteristics of sources and receiver spaces, were applied from the noise prediction and various experiment results. Finally, this ship was successfully delivered with excellent noise properties. The technology to minimize the noise levels for FPSO has been established throughout the construction of this ship.

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Development of Unmanned Seabed type Marine Cone Penetration Testing System (무인 착저식 해양 콘관입시험기 개발)

  • Jang, In-Sung;Kwon, O-Soon;Chung, Choong-Ki
    • Proceedings of the Korean Geotechical Society Conference
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    • pp.611-622
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    • 2007
  • In the design and construction of the coastal/offshore structures, it is very important to evaluate the geotechnical characteristics of marine soils, which support the structures. Although the offshore site investigation is much more difficult than onshore, safe and precise jobs have not been accomplished in Korea because of the insufficiency of the test equipments especially for the site with deep water depth. The main objective of this study is to develop a new type of marine cone penetration testing(CPT) system, which can be utilized to even deep sea and high depth of soil layer. The system is one of seabed types and employs the conventional cone, which shows more reliable results than miniature cone. The most important parts of the marine CPT including continuous rod system, cone penetration system with wheel drive, automatic cone rod assembly/dissembly system etc., were designed and manufactured. Some tests to verify the developed marine CPT system were performed at both onshore and offshore sites as well as mechanical test in laboratory. The test results show the consistent and promising performance of the new equipment, and thereafter the system would be applicable to various sites with practical/economical advantages.

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Semi-Rig, Anti-condensation design on steel surface in pontoon area (Semi-Rig, Pontoon 구역 표면 결로 예방 설계)

  • Seo, Dong-jae;Park, Sang-un;Noh, Joung-hwan;Shim, Hak-mu
    • Special Issue of the Society of Naval Architects of Korea
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    • pp.105-108
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    • 2017
  • Condensation is one of the common issues which we can easily see in everyday life. For example, the surface of glasses with cold water is easily moisturized. This wet surface gives us uncomfortable feeling and is sometimes dangerous because it is slippery. As the safety on working space is one of the most important issue on offshore project, condensation is also important matter to take care of with precaution. Since the bottom of vessel or offshore facility is submersed in the water, the risk of having condensate on the steel surface is getting higher because sea water temperature is normally lower than ambient temperature. And if there is any electric equipment or person working in that space, condensation is normally not allowed. The pontoon of semi-submersible drilling rig is such a space which is submersed, with electric and mechanical equipments and person working periodically. To prevent condensation in pontoon, study was conducted by checking several cases.

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