Based on the prospecting Database System (EIS Software) in Shengli oilfield, how to build extensible and flexible DCOM distributed software system with COM+ technique is discussed.

• 本文以胜利油田勘探数据库应用（EIS软件）作为切入点，探讨了如何利用COM+技术构建可伸缩、可扩展的DCOM分布式软件系统。