声明
致谢
变量注释表
1 绪论
1.1 研究背景与意义(Research Background and Significance)
1.2 国内外研究现状(Present Research Status at Home and Abroad)
1.3 当前研究存在的问题(Current Problems)
1.4 主要研究内容与思路(Main Research Content and Ideas)
2 上行钻孔封孔失效机理
2.1 引言(Introduction)
2.2 钻孔周边应力场和塑性区分布数值模拟( Numerical Simulation of Stress Field and PlasticZone Distribution around Drilling)
2.3 上行钻孔封孔泄漏失效方式(Leakage Way of Upward Drilling Sealing)
2.4 本章小结(Brief Summary)
3 干钻工况下钻屑自封孔机理及效果影响因素实验研究
3.1 引言(Introduction)
3.2 实验系统(Experimental System)
3.3 干钻工况下钻屑密封机理( Mechanism of Cuttings Self Sealing under Dry Drilling Condition)
3.4 干钻工况下密封效果影响因素研究( Study on Influencing Factors of Sealing Effect under Dry Drilling Condition)
3.5 本章小结(Brief Summary)
4 水钻工况下钻屑自封孔机理及效果影响因素实验研究
4.1 引言(Introduction)
4.2 水钻工况下钻屑自封孔机理( Mechanism of Cuttings Self Sealing under Water Drilling Condition)
4.3 水屑混合物致密性影响因素实验研究(Experimental Study on the Influence Factors of the Water Mixture Density)
4.4 水钻工况下封孔效果影响因素研究( Study on Influencing Factors of Sealing Effect under Water Drilling Condition)
4.5 本章小节(Brief Summary)
5 上行钻孔钻屑自封孔方法工艺设计
5.1 引言(Introduction)
5.2 水钻工况和干钻工况下密封效果比较分析( Comparison of Sealing Effect between Water Drilling Condition and Dry Drilling Conditions)
5.3 上行钻孔钻屑自封孔方法工艺流程(Process Flow of Cutter Self-sealing Method for Upward Drilling)
5.4 本章小结(Brief Summary)
6 结论及展望
6.1 主要结论(Main Conclusions)
6.2 创新点(Innovations)
6.3 研究展望(Research Prospect)
参考文献
作者简历
学位论文数据集