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9 N80油管断口表面除锈后的宏观和微观形貌
Fig.9 Morphology of fracture surface of N80 tubing after rust removal: (a) macroscopic morphology, (b-d) microscopic morphology