CO2 驱采油井复杂环境中N80油管断裂失效机理
张德平, 闫立震, 于洋, 杨广明, 代春宇, 孟乐, 徐博, 刘智勇

Fracture Failure Mechanism of N80 Tubing in Sophisticated CO2 Flooding Production Well Environment
ZHANG Deping, YAN Lizhen, YU Yang, YANG Guangming, DAI Chunyu, MEGN Le, XU Bo, LIU Zhiyong
图6 N80油管断口侧面的二次裂纹和腐蚀产物的主要元素分布
Fig.6 Morphology of secondary crack on the side of fracture surface of N80 tubing and mappings of main elements corresponding to corrosion products