Academic literature on the topic 'Flexible pipe'

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Journal articles on the topic "Flexible pipe"

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Ratnaraju, Rajkumar. "Experimental investigation of buried flexible HDPE pipe." Gradjevinski materijali i konstrukcije, no. 00 (2024): 14. http://dx.doi.org/10.5937/grmk2300016r.

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Buried pipes are used mainly for water supply and drainage, among many other applications such as oil, liquefied natural gas, coal slurries, and mine tailings. The pipes used may be rigid (reinforced concrete, vitrified clay, and ductile iron) or flexible (steel, UPVC, aluminum, fiberglass, and high-density polyethylene), although the distinction between them is blurring. Deflection or buckling determines the design of flexible pipes. HDPE pipes are preferred due to their light weight, long term chemical stability and cost efficiency. This project aims to design and fabricate an experimental s
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Ghobarah, A., and W. K. Tso. "Behaviour of buried small flexible pipes." Canadian Journal of Civil Engineering 15, no. 3 (1988): 486–89. http://dx.doi.org/10.1139/l88-065.

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An analytical and experimental investigation was conducted to study the behaviour of buried small diameter flexible plastic drain pipes when subjected to surface wheel loads. Tests were conducted on drain pipes buried under sand and also typical agriculture soil samples from Southern Ontario. In addition to soil types, the effect of soil compaction on the stresses and deformation of the pipe was evaluated.It was found that the modulus of soil reaction is highly dependent on the degree of compaction of the soil adjacent to the pipe. By using compacted sand around the pipe, the modulus of soil r
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Wu, Yan, Yu Li, Xinjun Gu, Ziyan Wen, Zhian Deng, and Kai Yi. "Experimental Study on Wettability of Xinjiang Oilfield Crude Oil on Two Kinds of Non-Metallic Pipes." ITM Web of Conferences 26 (2019): 03009. http://dx.doi.org/10.1051/itmconf/20192603009.

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In recent years, non-metallic pipes have been widely used in oilfield development due to their excellent corrosion resistance. In this paper, the wettability of flexible composite pipe and plastic alloy pipe surface was studied for some crude oil in Xinjiang oilfield. The wettability of the surface of the flexible composite pipe and the surface of the plastic alloy pipe and its influence on the flow resistance were discussed, and the wettability of the crude oil on the metal surface was compared. This experimental study has certain guiding significance for the judgment of pressure drop of crud
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Peng, Chu Chu, Ze Liang Xu, and Zhi Wen Zhu. "A Kind of Joint Structure of Rigid Pipe and Flexible Pipe in Seabed." Applied Mechanics and Materials 80-81 (July 2011): 792–96. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.792.

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In this paper, a kind of joint structure which can connect rigid pipe with flexible pipe in seabed longtime was designed and its characteristics were analyzed. The structure can be immune to seawater’s fluctuation or erosion, where the stress concentration at the joint of rigid pipe and flexible pipe was reduced to ensure pipes safe. The joint structure has low cost and highly reliability, which was helpful to exploitation in deep sea.
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Botto, Adriana, Céline Banti, and Enda O'Sullivan. "Unbonded flexible pipe integrity management, reuse and life extension." APPEA Journal 48, no. 1 (2008): 319. http://dx.doi.org/10.1071/aj07021.

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Australia has a long tradition of innovation in the use of floating production systems in the past 20 years. The classical solution adopts unbonded flexible pipe, a key technology, to enable floating facilities to produce in relatively shallow waters. While unbonded flexible pipe is a reliable technology that has been in use for approximately 30 years, damage, and ultimately failure can occur during its early (i.e. during manufacturing/testing, installation and early operation) and later life. Accurate assessments of the historical records of flexible pipe usage have led to an increased unders
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Suleiman, M. T., R. A. Lohnes, T. J. Wipf, and F. W. Klaiber. "Analysis of Deeply Buried Flexible Pipes." Transportation Research Record: Journal of the Transportation Research Board 1849, no. 1 (2003): 124–34. http://dx.doi.org/10.3141/1849-14.

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CANDE is one of the most commonly used programs for analysis of buried pipe; however, CANDE is limited to applications with small deflections. This limitation is typically not problematic, but there are some instances in which analysts may be interested in large-deflection behavior. This limitation led to the consideration of other analysis tools. In this study ANSYS, a general finite element program, was used to model the soil-pipe system. Small- and large-deflection theories of ANSYS were used in the analysis of several case studies, and the results were compared with those of CANDE. Also, a
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Cao, Runqing, Zilong Guo, Wei Chen, Huliang Dai, and Lin Wang. "Nonlinear dynamics of a circular curved cantilevered pipe conveying pulsating fluid based on the geometrically exact model." Applied Mathematics and Mechanics 45, no. 2 (2024): 261–76. http://dx.doi.org/10.1007/s10483-024-3084-7.

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AbstractDue to the novel applications of flexible pipes conveying fluid in the field of soft robotics and biomedicine, the investigations on the mechanical responses of the pipes have attracted considerable attention. The fluid-structure interaction (FSI) between the pipe with a curved shape and the time-varying internal fluid flow brings a great challenge to the revelation of the dynamical behaviors of flexible pipes, especially when the pipe is highly flexible and usually undergoes large deformations. In this work, the geometrically exact model (GEM) for a curved cantilevered pipe conveying
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Xu, Guo-min, and Chang-geng Shuai. "Burst pressure prediction of fiber-reinforced flexible pipes with arbitrary generatrix." Journal of Engineered Fibers and Fabrics 16 (January 2021): 155892502199081. http://dx.doi.org/10.1177/1558925021990812.

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Fiber-reinforced flexible pipes are widely used to transport the fluid at locations requiring flexible connection in pipeline systems. It is important to predict the burst pressure to guarantee the reliability of the flexible pipes. Based on the composite shell theory and the transfer-matrix method, the burst pressure of flexible pipes with arbitrary generatrix under internal pressure is investigated. Firstly, a novel method is proposed to simplify the theoretical derivation of the transfer matrix by solving symbolic linear equations. The method is accurate and much faster than the manual deri
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Park, Joon-Seok, Sun-Hee Kim, and Eung-Ho Kim. "Pipe Stiffness Prediction of Buried Flexible Pipes." Journal of Korean Society of Water and Wastewater 26, no. 1 (2012): 13–20. http://dx.doi.org/10.11001/jksww.2012.26.1.013.

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Mustaffa, Zahiraniza Bt, and Thar M. Badri Albarody. "Flexible Thermosetting Pipe." Advanced Materials Research 983 (June 2014): 444–49. http://dx.doi.org/10.4028/www.scientific.net/amr.983.444.

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The typified as flexible thermosetting pipe, is a new product, developed initially in response to the need for a non-metallic replacement for steel pipe used for oil and gas productions. This product may use for high pressure down-hole applications in which the pipe could repeatedly transported onto a drum. The proposed pipe comprise an internal thermoplastic layer play as liner and a fluid-tight cover, and one or more dual-helical wounding tape stacks applied to the internal liner for absorbing axial and bending loads. The tape stacks are wrapped helically onto the pipe structure with adjacen
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Dissertations / Theses on the topic "Flexible pipe"

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Reginold, Jesuthasan Terence. "Rocker pipe solution to alleviate settlement induced distress in flexible pipes." Thesis, University of East London, 2006. http://roar.uel.ac.uk/1257/.

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A number of earlier researchers investigated the soil structure interaction parameters which affect the structural behaviour of buried flexible pipes. However, it was not until the mid-1990s that the importance of rocker pipe design to accommodate differential settlement raised awareness of the consequent absence in current design procedure [BS EN 1295-3; 1998]. This study widens the understanding of the effect of differential ground movements on the behaviour of flexible pipes to address concerns raised to the Committee European de Normalisation. Many pipeline failures result from the excessi
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Li, Henan. "Flexible Pipe Stress and Fatigue Analysis." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18646.

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Fatigue is an important character for the flexible pipes as they are always exposed to dynamic loading. For nonbonded flexible pipes, fatigue and stress analysis can be performed based on different assumptions of slip behaviour. Different slip assumptions used in estimating the slip stress always play a determinative role in the prediction of fatigue damage. Thus, this thesis will focus on the study of the slip behaviour between tensile armour layers of nonbonded flexible pipes. The results can be used to support the basic assumptions for further fatigue analysis. The main object of this thesi
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Sævik, Svein. "On stresses and fatigue in flexible pipes." Norway : Dept. of Marine Structures, the University of Trondheim, 1992. http://catalog.hathitrust.org/api/volumes/oclc/27348152.html.

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Kebadze, Elizbar. "Theoretical modelling of unbonded flexible pipe cross-sections." Thesis, London South Bank University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326762.

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Ryan, M. S. "The dynamic analysis of flexible riser systems." Thesis, Cranfield University, 1988. http://hdl.handle.net/1826/3670.

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The aim of this thesis is to provide a design tool for the engineering analysis of the dynamics of a flexible riser system. The design tool is piovided in the form of a computer program. The two main requirements of such a program are that it is realistic and practical to use. The necessary theory is developed to allow these requirements to be satisfied. To ensure accuracy checks are made against model tests and known analytical solutions. How the computer program may be used is shown by analysing a particular riser configuration.
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Kim, David Donghyun. "Flexible in-pipe leak detection sensor module design and fabrication." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/101541.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 83-84).<br>Recent pipe bursts and explosions have caused not only financial losses but also a threat to public safety. Due to the recent incidents, governments have imposed strict laws with an increase in inspection regulation requirements. Large size networks make manual inspection of an entire complex system almost impossible. The need for autonomous automatic inspection systems is evident. A robust autonomous
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Loverich, James S. "Life Prediction of Composite Armor in an Unbonded Flexible Pipe." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/35873.

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Composite materials are under consideration for the replacement of steel helical tendons in unbonded flexible pipes utilized by the offshore oil industry. Higher strength to weight ratios and increased corrosion resistance are the primary advantages of a composite material for this application. The current study focuses on the life prediction of a PPS/AS-4 carbon fiber composite proposed for the above employment. In order to accomplish this task, the properties of the material were experimentally characterized at varying temperatures, aging times and loadings. An analytic technique was develop
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Kennedy, I. "Vibration transmissibility characteristics of fibre and steel reinforced flexible pipes." Thesis, University of Manchester, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378334.

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Bircan, Mehmet. "A Study On The Effect Of Pipe - Soil Relative Stiffness On The Behaviour Of Buried Flexible Pipes." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/2/12611562/index.pdf.

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In this study, the effect of pipe-soil relative stiffness on the behaviour of buried flexible pipes was investigated considering the pipe size, material type, stiffness, pipe-soil and natural soil-backfill interfaces and geometry of the trench using the finite element method. For this purpose, a parametric study was conducted to examine the effect of different variables on the resulting earth loads and deformations imposed on the buried pipes. Various types of trench pipe-soil cases were analysed for a certain natural ground and backfill material by the PLAXIS finite element code which allows
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Lim, Soon Yau. "Fundamental aspects of helical wire reinforcement for flexible pipe pressure armour." Thesis, University College London (University of London), 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.428332.

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Books on the topic "Flexible pipe"

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National Conference on Flexible Pipes. (1st 1990 Columbus, Ohio). Structural performance of flexible pipes: Proceedings of the First National Conference on Flexible pipes, Columbus, Ohio, 21-23 October, 1990. A.A. Balkema, 1990.

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Travis, L. E. Flex-Seal Ltd: Pipe couplings. Durham University Business School, 1999.

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R, Whidden William, and American Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design., eds. Buried flexible steel pipe: Design and structural analysis. American Society of Civil Engineers, 2009.

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R, Whidden William, and American Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design., eds. Buried flexible steel pipe: Design and structural analysis. American Society of Civil Engineers, 2009.

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R, Whidden William, and American Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design., eds. Buried flexible steel pipe: Design and structural analysis. American Society of Civil Engineers, 2009.

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European Conference on Flexible Pipes, Umbilicals and Marine Cables (3rd 1999 London, England). Proceedings of the Third European Conference on Flexible Pipes, Umbilicals and Marine Cables-Materials Utilisation for Cyclic and Thermal Loading. Bentham, 1999.

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European Conference on Flexible Pipes, Umbilicals, Marine Cables (1st 1992 London, England). Proceedings of the First European Conference on Flexible Pipes, Umbilicals, Marine Cables. Bentham Press, 1992.

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Crabb, G. I. Loading tests on buried flexible pipes to validate a new design model. Transport and Road Research Laboratory, 1985.

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Crabb, G. I. Loading tests on buried flexible pipes to validate a new design model. Transport and Road Research Laboratory, Highways and Structures Dept., Ground Engineering Division, 1985.

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Gusenkov, Anatolii P. Standardization and Design Optimization of Flexible Piping Elements. Hemisphere Publishing Corporation, 1991.

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Book chapters on the topic "Flexible pipe"

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Watkins, Reynold K. "The Story of Buried Steel Pipes and Tanks." In Buried Flexible Steel Pipe. American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/9780784410585.ape.

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Modarres-Sadeghi, Yahya. "A Flexible Pipe Conveying Fluid." In Introduction to Fluid-Structure Interactions. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-85884-1_7.

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Ji, Hai, Yonggang Lv, and Qingfei Huang. "Numerical Simulation Analysis of Mechanical Properties of Semi-rigid Immersed Tube Tunnel Joints." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_17.

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AbstractThe Hong Kong–Zhuhai–Macau Bridge immersed tube tunnel project is the only deep buried and large siltation immersed tube tunnel in the world. There is no similar case in the world. Its stress deformation characteristics are different from those of conventional shallow buried tunnels. According to the traditional design method of immersed tubes, there will be a series of problems. To address these issues, a semi rigid pipe joint scheme between rigid and flexible pipe joints has been proposed. By comparing the forces acting on the joints with traditional types of pipe joints, the mechani
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Hill, R. T., and J. C. Measamer. "Flexible Pipe Materials for Aggressive Hydrocarbon Applications." In Advances in Underwater Technology, Ocean Science and Offshore Engineering. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1717-3_8.

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Neffgen, J. M. "Flexible Pipe Technology — A Decade of Change." In SUBTECH ’91. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3544-3_2.

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Neffgen, J. M. "Advances in Flexible Pipe Design and Construction." In Advances in Subsea Pipeline Engineering and Technology. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0617-4_6.

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Zhao, Lin, Zhi-Fei Tian, and Sha-Sha Zhao. "Mechanical FEA of Spiral Layer in Flexible Pipe." In Proceedings of the 6th International Asia Conference on Industrial Engineering and Management Innovation. Atlantis Press, 2015. http://dx.doi.org/10.2991/978-94-6239-148-2_24.

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McGennis, E. "Low Cost Subsea Systems Flexible Pipe - The Way Forward." In Advances in Underwater Technology, Ocean Science and Offshore Engineering. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1717-3_2.

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Zhang, J. X., C. An, D. F. Wei, B. Q. Chen, and C. Guedes Soares. "Structural behaviour of hydrogen flexible pipe under internal pressure." In Trends in Renewable Energies Offshore. CRC Press, 2022. http://dx.doi.org/10.1201/9781003360773-104.

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Pejić, Klara, Konstantin von Haugwitz, Martin-Christoph Wanner, and Wilko Flügge. "Automation of Fitting Pipe Manufacturing in Shipbuilding." In Flexible Automation and Intelligent Manufacturing: Establishing Bridges for More Sustainable Manufacturing Systems. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-38241-3_61.

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Conference papers on the topic "Flexible pipe"

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Gregory, David, and Shawn Poworoznik. "Using Flexible Steel Pipe to Rehabilitate Aging Pipelines." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-19013.

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Abstract Rapidly aging oil and gas infrastructure is forcing operators to seek creative ways to maintain pipeline integrity with minimal capital investment and interruption to production. Rising material costs, excessive installation times, and numerous permitting challenges limit the feasibility and profitability of full replacement methods. Composite flexible steel-reinforced pipe products offer unique solutions to these challenging scenarios. Long package lengths, high tensile capabilities, and unbonded, flexible designs offer an ideal solution for the rapid rehabilitation of these dilapida
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Stephens, Benjamin E., and Emily S. Myers. "Making the Flexible Pipe “Solid”: Achieving a Quality Flexible Pipe Installation." In Pipelines 2020. American Society of Civil Engineers, 2020. http://dx.doi.org/10.1061/9780784483206.027.

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Fale, John E., Nelson J. Gernert, and John D. Cornwell. "Flexible Heat Pipe Radiator." In International Conference On Environmental Systems. SAE International, 1998. http://dx.doi.org/10.4271/981682.

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Souza, Luiz, Salvador Filho, Marcos Carpigiani, and Jeter Freitas. "Flexible Pipe Integrity Management." In ASME 2003 22nd International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2003. http://dx.doi.org/10.1115/omae2003-37337.

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At present, flexible pipes are used worldwide to conduct several fluids within the offshore oil production industry. These flexible pipes are complex composite structures made up of several plastic and steel layers. They are intended to work for a long period of time, something around 20 years. Although the flexible pipes behavior is satisfactory in most applications, they are susceptible to simple damages, for example on the external sheath, which much reduces their service life. The offshore inspection activities are extremely expensive and, given that, these activities need to be very well
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Botto, Adriana, Enda O’Sullivan, and Ce´line Banti. "Managing Ageing Flexible Pipe Assets." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57811.

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The population of flexible pipes is increasing exponentially and by definition it is ageing. Over the coming years an increasing number of flexible pipes will reach the end of their design life, therefore prudent operators should focus on understanding the integrity status of their flexible pipes. Understanding and effectively managing the integrity of flexible pipes is necessary to prevent, predict, or detect the presence of any loss of integrity. A detailed understanding of the manufacturing history, operational conditions, any previous repairs and inspection or test history are all required
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Watkins, Reynold, Brent Keil, Rich Mielke, and Shah Rahman. "Pipe Zone Bedding And Backfill: A Flexible Pipe Perspective." In Pipeline Division Specialty Conference 2010. American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41138(386)42.

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Dion, Dominique H., Nuala Mary Murray, Jean-Philippe Roques, Benoit Balague, and Gregoire Audouin. "Flexible Pipe Integrity Monitoring: A New System to Assess the Flexible Pipe Annulus Condition." In Offshore Technology Conference. Offshore Technology Conference, 2010. http://dx.doi.org/10.4043/20973-ms.

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Paumier, Laurent, Daniel Averbuch, and Antoine Felix-Henry. "Flexible Pipe Curved Collapse Resistance Calculation." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79117.

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In the design of flexible pipelines for offshore field developments, the determination of the pipe resistance while subjected to external pressure and bending is very important in deepwater and is now required by the ISO and API standards. One of the critical failure modes being associated with this type of loads is the hydrostatic collapse. The collapse value of flexible pipe is calculated with a model validated with over 200 tests performed on all possible pipe constructions. This model has an analytical basis, and has been established in the past, leading to a fast and straightforward use.
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Shao, Qiangqiang, Ting Liu, Shuai Yuan, Peihua Han, and Yong Bai. "Prediction of Internal Pressure of Flexible Pipe." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95458.

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Abstract The flexible pipes are widely used in the oil and gas industry to transport petroleum products. The pipe might burst fails when a large internal fluid pressure acts on the pipe, and the consequences are disastrous. In order to ensure the security and reliability of flexible pipes in the application, the mechanical responses of the pipe subjected to high pressure loads should be carefully estimated. The main purpose of this paper is to investigate the burst pressure of the pipe. Based on the principle of virtual work, a theoretical model for stress and deformations of the pipe is estab
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Liu, Jing, Mingfei Xiao, Jingling Shen, and Wei Zhang. "Flexible PMMA pipe for terahertz propagation." In Photonics Asia, edited by Cunlin Zhang, Xi-Cheng Zhang, He Li, and Sheng-Cai Shi. SPIE, 2012. http://dx.doi.org/10.1117/12.999916.

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Reports on the topic "Flexible pipe"

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Driver, W. B. Assist in development of flexible drill pipe. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/5118159.

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Haakonsen, Rune. PR-576-163705-R01 Qualification and Guideline of Inspection Technologies for Flexible Pipe Integrity. Pipeline Research Council International, Inc. (PRCI), 2020. http://dx.doi.org/10.55274/r0011741.

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This report summarizes the SPIM-2-1 project with testing of tools and technologies for flexible pipe inspection. The objective of the project is to provide a quantitative assessment of the capabilities of available flexible pipe inspection technologies to detect relevant defects in flexible pipe armour layers. This objective is met by the following project activities: - Identifying existing inspection technologies and vendors/service providers - Mapping inspection technologies - detection capabilities - vendors - Inviting selected vendors and RFI - Define test sample requirements - Procure tes
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Thienel, Lee, Michael R. Lewis, Patrick J. Brennan, Matt Buchko, and Dave Glaister. Design and Performance of the Cryogenic Flexible Diode Heat Pipe (CRYOFD) Flight Experiment. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada373637.

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Decroux, Agnes, Kassem Kalo, and Keith Swinden. PR-393-205100-R01 IRIS X-Ray CT Qualification for Flexible Pipe Inspection (Phase 1). Pipeline Research Council International, Inc. (PRCI), 2021. http://dx.doi.org/10.55274/r0012068.

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There are several techniques available to inspect single wall carbon steel pipelines including; Magnetic flux leakage (MFL), ultrasonic testing (UT), Electro-Magnetic Acoustic Transducer (EMAT), Phased Array, guide wave testing (GWT), etc. However, for more complex structures such as flexible pipelines the technology available to inspect them is far more limited. PRCI commissioned a program (SPIM 2-1) under the Subsea TC (2017-2020) to evaluate all known and suspected technologies that could be used to provide a detailed subsea inspection of a flexible riser. PRCI produced four samples of flex
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(Archived), Irina Ward, and Farah Abu Saleh. PR-473-144506-R01 State of the Art Alternatives to Steel Pipelines. Pipeline Research Council International, Inc. (PRCI), 2017. http://dx.doi.org/10.55274/r0011459.

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This report is a literature review of several non-metallic material systems often used as alter-natives to steel pipelines. The pipeline systems reviewed are high density polyethylene (HDPE), fiberglass reinforced plastic (FRP), flexible composite and thermoplastic liners. This report is not intended to be a detailed guide or design manual on the use of the referenced materials for pipeline applications, rather an overall evaluation on the current state of these systems. Significant industry literature and documentation already exists on the design, manufacturing, installation, and operation o
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Fleury, Wayne, and Jan Ove Toskedal. PR-535-143745-R01 ART Scan Qualification Study. Pipeline Research Council International, Inc. (PRCI), 2015. http://dx.doi.org/10.55274/r0010879.

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This qualification study is based on the need for a new technology in the asset integrity lifecycle of pipelines including Subsea infrastructure. As of today it is challenging to identify a technology that combines adequate measurement accuracy combined with the ability to operate in gaseous atmosphere found inside natural gas pipelines. Halfwave�s inspection method developed over the last two decades is based on Acoustic Reso-nance Technology (ART), which utilizes the natural frequencies of the pipe wall to determine the remaining wall thickness. The most prominent advantages of ART comprise
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Swinden, Keith. PR393-215101-R01 IRIS X-ray CT for Flexible Pipes. Pipeline Research Council International, Inc. (PRCI), 2022. http://dx.doi.org/10.55274/r0012224.

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