The subsurface in East Sichuan features complex geological structure,which makes it difficult in completion and cementing. This paper investigates the basic and key issues of complex gas wells in this area for reference.%四川地区地下地质情况非常复杂，呈现出诸多复杂的地质构造，为完井、固井工程带来了许多难题。本文针对目前四川复杂气井急需解决的基础和关键问题作一浅析。
展开▼
