连续油管在线检测系统壁厚测量功能在川渝地区的应用分析

对现役连续油管进行在线检测是确保连续油管作业安全和提高使用效率的重要手段。现场实时获取连续油管壁厚变化情况,对于分析连续油管的低周疲劳、计算剩余疲劳寿命具有重要意义。目前,代表国产连续油管在线检测技术水平的是LXGJ-1系统,其壁厚检测功能是通过磁桥路测量法来实现。通过对LXGJ-1系统壁厚测量功能在川渝地区的应用分析,探讨了现阶段该项技术在现场使用的优点、存在问题、解决方案及改进措施,为促进国产连续油管在线检测技术及现场应用水平的提高提供参考。

Application and Analysis about Wall Thickness Measuring Function of Coiled Tubing Online Detecting System in Sichuan-Chongqing Area

The on-line real-time detecting on the coiled tubing is an important means to ensure the safety of coiled tubing to improve its working efficiency. The wall thickness variation detection of coiled tubing is significant for analyzing low cycle fatigue and calculating residual fatigue life of coiled tubing. The LXGJ-1 system represents the level of on-line testing technology of domestic coiled tubing. Its function of wall thickness measuring is realized by magnetic bridge measuring method. Based on the applying and analyzing of wall thickness measuring function of LXGJ-1 system in Sichuan and Chongqing, the advantages, problems, solutions and improvement measures of this technology were discussed.