多工艺空气钻进技术在深水井施工中的应用实践

Application Practice of Multi-process Air Drilling Technology in Deep Well Construction

摘要:

气动潜孔锤和气举反循环钻进工艺组合应用具有钻进效率高、成井质量好的特点，在水文水井及地热深井施工中应用广泛。通过在深井施工中的应用实践，阐述了多工艺空气钻进技术应用所取得的经济效益和社会效益，并摸索总结出了使用注意事项，具有很好的参考价值。

Abstract:

The combination of pneumatic DTH and air-lift reverse circulation drilling has the characteristics of effective drilling and good quality of well, which has been widely applied in the construction of water well and deep geothmal well. Based on the application practice of deep well construction, the paper elaborates the economic and social benefits obtained by the application of multi-process air drilling technology and summarizes the points for attention in use.