Based on the classification of signal characteristic, a model of quantitative recognition for oil welltubing defects was built.
建立了基于特征分类的油管缺陷量化识别模型。
2
The instrument can be used in on-line continuous quantitative inspection of oil welltubing covered with greasy dirt or other non-magnetic...
仪器可用在井口对油管进行在线连续定量检测，检测结果不受管表面的油泥或其它非导磁性材料的影响。
3
Based on the magnetic leakage flux technique, the principle of localized defect inspection and wall thickness measurement in oil welltubing has been researched.