摘要
中国油气管道行业实现跨越式发展,管道本体缺陷和腐蚀问题应得到重视。油气管道已全面强制实施完整性管理程序,管道内检测技术可以确定管道的腐蚀和裂纹缺陷,保障管道的长效运行。系统阐述了国内外管道广泛应用的内检测技术的适用范围、优缺点、技术现状以及应用情况,包括变形内检测、漏磁内检测、超声波检测和电磁超声检测等,并指出检测缺陷类型、缺陷阈值、尺寸量化精度,以及定位精度等企业关心的核心问题,并应通过管道现场开挖和牵引试验验证内检测器指标。最后,针对管道内检测技术,包括裂纹缺陷和应力腐蚀开裂(SCC)的内检测技术、涡流内检测和阴极保护电流内检测技术等的未来发展趋势进行了展望。
Oil and gas pipeline industry has achieved great development in China, defect and corrosion problem of pipeline should be paid attention. Integrity management procedure has been executed in domestic oil and gas pipeline comprehensively and compulsively. The pipeline internal inspection technology can be used to determine pipeline corrosion and crack defection. Pipeline safe operation for a long time also can be guaranteed. The scope, advantages and disadvantages, technological status and application status of pipeline internal inspection technology at home and abroad are expounded in detail, including deformation testing, magnetic flux leakage testing, ultrasonic wave testing and electromagnetic acoustic testing, etc.. The core problems concerned by enterprises, including defect types, defect threshold, dimentional quatization accuracy and positional accuracy etc. , are indicated clearly. Internal detector index should be verified through pipeline site excavation and traction test. Finally, the future development trend of pipeline internal inspection technology is prospected, including internal inspection technology for crack defects and SCC, eddy current internal inspection and cathodic protection current inspection technology.
作者
王秀丽
朱晓红
夏飞
王毅
Wang Xiuli;Zhu Xiaohong;Xia Fei;Wang Yi(Southwest Lanzhou-Chengdu-Chongqing Oil Product Pipeline Company, PetroChina Co. Ltd. , Chengdu, 610036, China;Ningbo Daxie Warehouse Branch, PetroChina Fuel Oil Co. Ltd. , Ningbo, 315812, China;Xinzhou Branch, PetroChina Coalbed Methane Co. Ltd., Xinzhou, 036600, China;Dandong Sub-company of PetroChina Pipeline Company, Dandong, 118001, China)
出处
《石油化工自动化》
CAS
2018年第2期1-5,共5页
Automation in Petro-chemical Industry
关键词
管道内检测
标准
缺陷
裂纹
漏磁
超声
指标
pipeline internal inspection
standard
defect
crack
magnetic flux leakage
ultrasonic
index
