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首页> 外文会议>International Conference on Offshore Mechanics and Arctic Engineering, Jun 23-28, 2002, Oslo, Norway >DEVELOPMENT AND INSTALLATION OF LIGHT WEIGHT, LOW COST UNBONDED FLEXIBLE PIPE FOR ARCTIC APPLICATIONS
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DEVELOPMENT AND INSTALLATION OF LIGHT WEIGHT, LOW COST UNBONDED FLEXIBLE PIPE FOR ARCTIC APPLICATIONS

机译：北极应用轻质低成本低成本无粘结柔性管的开发与安装

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摘要

Unbonded flexible pipe has been successfully operating in oil/gas production applications on the North Slope of Alaska since 1995 as documented in OMAE 1995 paper "Arctic Applications of Flexible Pipe for Production Pipelines and Infield Fluid Transport Systems", Reference. The pipe and end terminations were subjected to extensive material and full scale testing to confirm suitability for arctic applications and the results are documented in the paper. The products deployed on the tundra were designed to ensure successful, safe operation and mitigate risk for the initial application. The robust design included pipe layers and end fitting materials that exceeded fit for purpose needs and resulted in a heavier, more costly design than was actually needed. To ensure cost effective solutions are available for future projects in the regions, Wellstream in conjunction with the Prudhoe Bay Operating Unit developed an optimized flexible pipe that met the onerous requirements of arctic applications. Pipe specifications included 5.5-inch ID, 3600psi design pressure, thermal loss and cooldown limitations, maximum operating temperature of 140℉ and minimum operating temperature of -50℉. This paper will present the results of the design, engineering and analytical process, full scale testing and installation activities. A detailed comparison between the initial products and the current optimized design is presented to illustrate the substantial weight and cost savings achieved.
机译：自1995年以来，无粘结挠性管已成功地在阿拉斯加北坡的油气生产应用中运行，如OMAE 1995年论文“挠性管在生产管道和现场流体输送系统中的北极应用”中所述。对管道和端接终端进行了广泛的材料和全面测试，以确认其是否适用于北极应用，并将结果记录在文件中。苔原上部署的产品旨在确保成功，安全地运行并减轻初次应用的风险。健壮的设计包括超出目标用途的管层和末端配件材料，从而导致比实际需要的设计更重，更昂贵。为了确保为该地区的未来项目提供经济有效的解决方案，Wellstream与Prudhoe Bay运营部门合作开发了一种优化的柔性管，可以满足北极应用的苛刻要求。管道规格包括5.5英寸内径，3600psi设计压力，热损失和冷却限制，最高工作温度为140℉和最低工作温度为-50℉。本文将介绍设计，工程和分析过程，全面测试和安装活动的结果。初步产品与当前优化设计之间进行了详细的比较，以说明可观的重量和节省的成本。

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