摘要
双金属机械复合管技术是解决油气田集输管道内腐蚀的重要方法,其成型、焊接和检测技术是保障管道安全运行的先决条件。为确保油气田安全生产集输,针对双金属机械复合管成型技术、焊接技术和无损检测技术的进展开展综述,介绍了目前常用的两种机械成型方式及其特点,分析了提高焊接接头质量的工艺方法,总结了用于不同管道缺陷的无损检测技术。结果表明:成型技术方面,爆燃成型和液压成型是国内常用的复合方法,但其在大口径管材制备和异形管件应用上还存在局限性;焊接技术方面,通过优化焊接工艺可提高焊接接头质量,管端激光熔覆技术成为未来研究方向;无损检测方面,传统检测方法逐渐向智能化、综合化的现代技术发展,可实现更广的覆盖范围和更高的缺陷检出率;此外,若能对机械复合管全生命周期关键环节进行管端数据记录,便可在出现质量问题时进行精准溯源。结论认为,提高机械复合管技术在成型和焊接过程中的质量控制以及无损检测技术的准确性,对其在油气田集输上的安全应用具有重要意义。
Bimetallic composite piping technology is an important method to solve the internal corrosion of pipelines of the gathering and transportation system of oil and gas fields.The forming,welding and testing are the prerequisites for safe pipeline operations.To ensure the safe production of oil and gas fields,the progress of the forming,welding and non-destructive testing(NDT)technologies of bimetallic mechanical composite piping was reviewed.Two commonly used mechanical molding methods and their characteristics were clarified,the process methods for improving the quality of welded joints were analyzed,and the NDT technologies for different pipeline defects were summarized.The results show that in terms of pipe forming,explosive forming and hydraulic forming are commonly used in China for composite piping,but they still have limitations in manufacturing large-diameter pipes and special-shaped pipe fittings;in terms of welding,the quality of welded joints can be improved by optimizing the welding process,and the laser cladding technology of pipe ends has become a future research direction;in terms of the NDT,traditional testing methods are gradually developing towards intelligent and integrated modern technologies,delivering a wider coverage and higher defect detection rates.In addition,if the pipe end measurements at key steps of the full life cycle of mechanical composite piping are recorded,accurate traceability can be achieved once quality problems occur.It is concluded that improving the quality control of mechanical composite piping technology during the forming and welding processes and the accuracy of the NDT technologies is of great significance for their applications in oil and gas field gathering and transportation.
作者
曾德智
史胜垚
李屹洋
孙江河
苏日古
陈思宇
ZENG Dezhi;SHI Shengyao;LI Yiyang;SUN Jianghe;SU Rigu;CHEN Siyu(State Key Laboratory of Oil&Gas Reservoir Geology and Exploitation,Southwest Petroleum University,Chengdu 610500,Sichuan,China;Oil Production Technology Research Institute,PetroChina Xinjiang Oilfield Company,Karamay 834000,Xinjiang,China;Xinjiang Uygur Autonomous Region Special Equipment Inspection and Research Institute,Urumqi 830046,Xinjiang,China)
出处
《新疆石油天然气》
2025年第1期87-94,共8页
Xinjiang Oil & Gas
基金
国家自然科学基金青年基金项目“基于材料非线性随动强化的双金属复合管成型机理及其强度特性研究”(51004084)。
关键词
油气集输
机械复合管
成型技术
焊接技术
无损检测
oil and gas gathering and transportation
mechanical composite piping
forming
welding
non-destructive testing
