This paper discusses the mud losses in Zizhou block, and pinpointed the causes behind the mud losses.Some measures and method for mud loss control in this area were suggested.

• 分析了子洲气田的井漏现状,根据岩心资料确定了井漏原因,总结了目前预防和处理井漏的方法,针对子洲气田的特点提出了治理对策。