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- Casing Damage Mechanism in Daqing Oilfield 大庆油田套管损坏机理研究
- casing damage mechanism 套损机理
- The combined action mechanism of the pressure and pressure differential in casing damage. 油田套管损坏的压力与压差联合作用机制。
- Study of formation damage mechanism caused by organic deposition. 有机垢对地层损害机理研究。
- Based on the application condition in Jiangsu oilfields, the mechanism, structure and function of the technology which can check casing damage have been presented. 结合江苏油田应用情况,介绍了可过油管检查套管损坏的电磁探伤测井仪的工作原理、结构、功能等特点。
- Mitigating casing damage usually means reducing the amount of shear slip. 减轻套管损坏就是缩小剪切滑移量。
- The ellipticity only influences casing damage caused by outer extruding force. 椭圆度仅对均匀外挤压力导致套管破坏有较大影响。
- Fourthly, the damage mechanism and defensible performance of Nextel/Kevlar fiber material were studied. 推导出了防护层厚度、承力层厚度的几何公式，并确定了层间距几何约束。
- So macroscopical damage mechanism of rock mass should research through its load and deformation law. 所以煤岩的宏观破坏机理应从其荷载以及变形规律来研究。
- XIE Heping. Damage mechanics of rock and concrete[M]. 谢和平.;岩石、混凝土损伤力学[M]
- Adjustment wells have to be drilled to renew the abandoned because of casing damage in this area. 为确保油田产量，每年需在同区块钻相应数量的调整并以补充因套管损坏等原因报废的井。
- Taking mudstone creep formation as an example, the reason of casing damage due to creep was analyzed. 以泥岩蠕变地层为例,阐明了流变地层中套管容易发生破坏的原因。
- Casing damage during blowout of water injection well is common in many oil fields of China. 注水井放喷过程中的套管损坏问题在中国许多油田十分普遍。
- The harm and test methods of the potential damage are discussed in order to help to understand the fiber damage mechanism during the spinning process. 本文就潜在损伤的危害及测试方法进行了讨论，这些讨论将有助于我们理解纺纱加工过程中纤维损伤机理。
- The cavitation damage mechanism is that microvoids form, grow and link into microcracks and the propagation of the microcracks leads to ... 热影响区空蚀破坏的机制是微坑的产生、长大、合并,进而形成裂纹,裂纹扩展最终导致失质。
- Casing damages are classified into deformation, breakage and sealing damages. 摘要套管损坏主要分为套管变形、破损和密封性破坏3类。
- This paper analyzes the damage mechanism of EED from the radio frequency, introduces the method of evaluating the electromagnetic ha zards to EED. 分析了射频能量对电火工品的危害机制，给出了电火工品电磁危害评估的方法。
- Quite a few specialists and scholars have studied the damage mechanism and protective technologies,but it is all relatively scattered. 不少专家、学者对射孔损害机理和保护技术也进行了研究,但都比较零散,比较系统地总结了他们的研究结果。
- The casing damage becomes more and more serious in China oilfields,casing inspection technique must be improved quickly. 油田开发后期套管损坏越来越严重,人们希望尽快提高套损检测技术水平。
- The proposed method is useful to the research on damage mechanism and on optimizing the damage efficiency of sub-munitions. 该方法对研究侵彻子母弹毁伤机理和优化子母弹毁伤效能都有一定的意义。
