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通过对现有的管道外防腐层检测技术及仪器的优缺点进行对比分析,结合多年来的检验工作实际以及综合考虑安全与经济因素后,提出了长输天然气管道外检测综合技术方案。提出的长输天然气管道外检测综合技术研究方案能够很好的符合长输管道定期检验要求,方案流程设置合理,检验数据可信度高,已在本省多地长输天然气管道定期检验项目中应用,工程应用效果良好,为长输天然气管道定期检验下结论提供了可靠保证。
Based on the comparative analysis of the advantages and disadvantages of the existing pipe coating technology and instruments, combined with the actual inspection work over the years and the comprehensive consideration of safety and economic factors, a comprehensive technical scheme of long-distance natural gas pipeline inspection was put forward. The proposed long-distance natural gas pipeline testing comprehensive technology research program can be well in line with the regular inspection of long-distance pipeline requirements, program flow set reasonable, test data credible, many long-term natural gas pipeline in the province of periodic inspection project applications , The project works well and provides a reliable guarantee for the conclusions of the long-distance natural gas pipeline under the regular inspection.