气举反循环钻进技术在地热深井施工中的应用

Application of Air-lift Reverse Circulation Drilling in Baoli ZK3 Deep Geothermal Well of Guizhou

摘要:

介绍了气举反循环钻进技术在贵州保利ZK3号地热井施工中的使用情况，分析和评价了气举反循环钻进的使用效果，实践证明，气举反循环钻进技术具有效率高、孔内干净、事故少、施工成本低、钻进质量好等优点。提出下一步地热井施工使用气举反循环钻进技术应改进的问题和建议。

Abstract:

The paper introduced the Baoli ZK3 geothermal well construction with air-lift reverse circulation technology, analyzed the application effect and put forward the improvement suggestion. The conclusion is that air-lift reverse circulation technology has the advantages of high efficiency, clean borehole, high safety, lower construction cost and good drilling quality.