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8 接箍螺纹底部裂纹内腐蚀产物的主要成分
Fig.8 Main components of corrosion products in the tip (a) and root (b) of crack at the bottom of coupling thread