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3 N80油管钢表面复合夹杂物的形貌及EDS元素分布图
Fig.3 SEM image (a), corresponding EDS spectra (b) and element mappings (c) of composite inclusion of N80 tubing steel