抽油杆缺陷涡流式井口检测装置的应用

抽油杆缺陷是造成躺井的主要因素之一 ,为此应用了抽油杆表面缺陷涡流式井口检测装置。介绍了装置的工作原理、仪器的组成、检测过程、辨别方法和技术性能。装置利用便携微机进行数据采集、分析和存贮 ,建立档案 ,缺陷报警准确率高 ,探伤结果直观 ,可根据需要随时调整检测精度 ,保证抽油杆具有足够的剩余寿命 ,延长了检泵周期。根据现场应用存在的问题 ,改进了装置的探测体。通过 12 6口的应用 ,以及与 72口井和人为缺陷杆的对比表明 ,这种装置可以满足现场检测要求 ,经济效益显著 ,其投入产出比高达 1∶9 1。

Application of eddy current inspection apparatus for sucker rod

This article introduces an apparatus for in situ eddy current inspection of sucker rod. The working principle, component parts, detecting method and technical performance of the apparatus are described. The apparatus carries out data acquisition and analysis and storage by means of a portable computer, can provide precise alarm of defects and display direct viewing detection results. The inspection accuracy can be adjusted if needed at any time, in order to ensure the sucker rod possessing enough residual life and extend the overhaul period. Field application shows that this apparatus can meet the need of detection of sucker rod defects on the wellhead.