A measuring method combining main magnetic flux and magnetic flux leakage for approaching the residual wall thickness of the oilwelltubing in-service was presented.
提出采用主磁通与漏磁通相结合的方法检测在用油管剩余壁厚的方法。
2
Automatic inspection of oilwelltubing transverse defects and longitudinal defects is a key means to guarantee the quality of repaired oilwelltubing and reduce accidents in oil extraction.