封面
声明
致谢
参考文献
英文摘要
目录
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 (Overview of Research)
1.3 水力化煤层增透技术存在的问题及不足 ( Problems and Deficencies of the Hydraulic Technology for the Coal Seam Permeability-Increasing)
1.4 主要研究内容和技术路线(Research Outline and Technical Approach)
2 含瓦斯煤体的结构与渗流性能
2.1 煤体结构 (Coal Mass Structure)
2.2 煤的裂隙 (Fissures in Coal)
2.3 煤的孔隙 (Porosity of Coal)
2.4 煤层瓦斯的运移 (Gas Migration in Coal Seam)
2.5 煤体的渗透性 (Permeability of Coal Mass)
2.6 本章小结(Chapter Summary)
3 淹没旋转射流的基本理论及破岩(煤)过程
3.1 淹没旋转射流的基本理论 (Basic Theories of the Submerged Swirling Jet)
3.2 旋转水射流破岩(煤)过程(Rock (Coal) Breaking Process of the Swirling Water Jet)[166, 181]
3.3 旋转水射流破岩效果的影响因素(Influencing Factors of Rock Breaking with Swirling Water Jet)
3.4 三维旋转水射流扩孔煤层增透的力学机制 ( Mechanical Mechanism of Coal Seam Permeability-Increasing Based on Reaming with 3D Swirling Water Jet)
3.5 本章小结(Chapter Summary)
4 三维旋转水射流流场的数值模拟
4.1 高压旋转水射流喷嘴的设计 (Nozzle Design of the High-Pressure Swriling Water Jet)
4.2 模拟软件PERA ANSYS简介 (Introduction to ANSYS)
4.3 模型的建立 (Building up the Modle)
4.4 控制方程及边界条件( Control Equations and Boundary Conditions)
4.5 数值模拟结果分析(Results of the Numerical Simulation)
4.6 旋转射流喷嘴性能的实验室测试 (Performance test of the Swirling jet nozzle in the Laboratory)
4.7 本章小结(Chapter Summary)
5 水射流与水力压裂联作增透机理
5.1 穿层钻孔水力压裂的理论分析 (Theoretical Analysis of Hydraulic Fracturing for Penetration Boreholes) [314]
5.2 水射流扩孔后定向压裂裂缝的起裂机理 (Mechanism of Fracture Initiation of Water Jet to Enlarge Borehole for Directional Fracturing)
5.3 三维旋转水射流与水力压裂联作增透数值分析 (Numerical Analysis of Permeability-Increasing Combining 3D Swirling Water Jet with Hydraulic Fracturing)
5.4 本章小结(Chapter Summary)
6 三维旋转水射流扩孔装备的研制及地面联机试验
6.1 煤矿现场用喷嘴的设计原理 (Design Principle of the Nozzle for the Coal Mine Field)
6.2 组合高压旋转水射流喷头及喷嘴 (Nozzle Head and Nozzle for High Pressure swirling Water Jet)
6.3 螺旋辅助排渣高压钻杆 (High-Pressure Spiral Drill Pipe for Auxiliary Slagging)
6.4 回转式高压旋转接头(Rotary high-pressure swirling joint)
6.5 井下高压水射流作业远程监测与控制系统 (Remote Monitoring and Controlling System for High-pressure Water Jet Operations in Underground Coal Mine)
6.6 井下高压旋转水射流扩孔系统 (High-pressure Swirling Water Jet System for Reaming in Underground Coal Mine)
6.7 本章小结(Chapter Summary)
7 三维旋转水射流与水力压裂联作增透技术在瓦斯抽采中的应用
7.1 三维旋转水射流与水力压裂联作增透工艺 (Permeability-Increasing Technique Combining 3D Swirling Water Jet with Hydraulic Fracturing)
7.2 三维旋转水射流与水力压裂联作增透工艺流程(Permeability-Increasing Technique Process Combining 3D Swirling Water Jet with Hydraulic Fracturing)
7.3 增透效果考察方法 ( The Methods of Effect Examination for Permeability-Increasing)
7.4 不同增透技术在矿井瓦斯抽采中的应用 (The Application of Different Permeability-Increasing Technology in Coal Mine Gas Extraction)
7.5 井下水力压裂过程分析 (Hydraulic Fracturing in Underground Mines)
7.6 本章小结 (Chapter Summary)
8 结论、创新及展望
8.1 全文总结 (Conclusions)
8.2 创新点 (Innovations)
8.3 展望 (Prospects)
参考文献
作者简历
学位论文数据集