| 石永泉.复杂地层气动潜孔锤跟管钻进最大深度的确定方法[J].地质与勘探,2009,45(4):484-487 |
| 复杂地层气动潜孔锤跟管钻进最大深度的确定方法 |
| Determining the Maximum Depth Method for Complex Formation PneumaticDTH Drilling with the Casing |
| 投稿时间：2009-01-12 修订日期：2009-06-15 |
| DOI： |
| 中文关键词: 气动潜孔锤 跟管钻进 复杂地层 最大深度 |
| 英文关键词: pneumatic DTH,drilling with the casing,complex formation,biggest depth |
| 基金项目:四川省教育厅自然科学重点项目(08ZA104)。 |
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| 中文摘要: |
| [摘要]在岩土钻掘工程中,气动潜孔锤跟管钻进技术是解决复杂地层钻进问题较为有效的方
法,本文探讨了复杂地层的分类和套管侧壁摩阻力问题;阐述了气动潜孔锤跟管钻进工作原理;分析了
气动潜孔锤跟管受力过程,提出了应用波动力学理论计算确定气动潜孔锤跟管钻进的最大跟进套管深
度的方法。 |
| 英文摘要: |
| Abstract:In geotechnical drilling engineering, pneumatic DTH drilling technology with the casing are to address complex stratigraphic drilling ques鄄
tions is more effective method, this article discusses the classification of complex formation and the casing wall friction problem; Described pneumatic DTH
drilling pipe with the working principle; analyzed the casing force process of pneumatic DTH,according to wave dynamics,presented theoretical calcula鄄
tions to determine the biggest pipe casing depth follow鄄up method in pneumatic DTH drilling. |
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