连续油管电磁无损检测试验分析及应用

Oil Field Equipment(2015)

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Abstract
基于微磁检测和涡流测距技术,根据连续油管现场作业的实际需要,在连续油管上设计并预制了裂纹、腐蚀缺陷和椭圆度缺陷,对连续油管的缺陷和椭圆度进行试验评价,并对检测结果进行分析;通过分析缺陷处的磁场异常特征,实现缺陷的定位、定性和定量。油井现场实测结果表明:检测信号能反映连续油管的磨损状况,有助于准确判断连续油管的损伤形式、损伤程度以及椭圆度的变化,现场检测效果得到了用户的肯定。
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