Combinging with engineering practice, this paper synthetically analyzes and discusses the conditions of application of the air foam drilling technology in complex layers of water defficient regions.

• 本文结合工程实践，综合分析论述了空气泡沫钻进工艺在缺水复杂地层中的应用情况，指出了该工艺钻效高、质量好、成本低。