Reservoir description can be divided into three stages:the early description in preparative stage,fine description in mature stage and precision description in EOR stages.

• 总体来看油藏描述可划分为开发准备阶段的早期油藏描述、主体开发阶段的 (中期 )油藏描述和挖潜、提供采收率阶段的精细油藏描述三大阶段。