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 |
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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4 N80油管钢的应力-应变曲线以及断裂样的光学照片 |
| Fig.4 Stress-strain curves of N80 tubing steel (a) and photos of fractured tensile specimens (b) |
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