Illustrated with examples,th e paper analyzed the principle,process and effect of water-loss,cave-in harn essing by cementing in Fujian coalfield drilling.

• 结合工程实例,剖析了水泥封闭堵漏在福建煤田钻探中的作用,重点论述了水泥封闭堵漏对治理漏失、坍塌的原理、过程和效果。