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Ensuring pipeline integrity of an unpiggable pipeline: a case study

机译：确保无故障管道的管道完整性：一个案例研究

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A total integrated certified maintenance programme was conducted to rehabilitate, modernise, enhance, and bring up to thenbest industry standards, the process pipeline system in Madero City, Mexico. The programme consisted of running a multidiameternultrasonic in-line inspection (ILI) tool to determine the current condition of the pipeline and provide input for anmaintenance procedure, following which integrity assessment was conducted and every ‘integrity-diminishing’ feature presentnon the system was repaired and, finally, the line was certified. Due to the complex nature of the pipeline construction datingnfrom 1975, and the lack of maintenance, several special modifications and special activities were necessary to enable annadvanced ILI survey in a traditionally unpiggable system. ILI was chosen because its data allows for optimization of immediatenand future integrity assessments and hence establishes a basis for developing the most efficient rehabilitation programmes.
机译：在墨西哥马德罗市进行了全面认证的维修计划，以修复，现代化，增强并达到当时的最佳行业标准。该程序包括运行多直径超声在线检查（ILI）工具，以确定管道的当前状况并为维护程序提供输入，然后进行完整性评估，并提供每一个“完整性降低”功能，否则系统将不予修复和维修。 ，最后，该线通过了认证。由于始建于1975年的管道建设的复杂性质，以及缺乏维护，因此，需要进行一些特殊的修改和特殊的活动，才能在传统上不可固定的系统中进行ILI勘测。之所以选择ILI，是因为其数据可以优化即时和未来的完整性评估，从而为制定最有效的康复计划奠定了基础。

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