The remaining oil distribution and exploiture countermeasure of the he 31 fault block in the stage with ultra-high water containing is studied by the fine description of reservoir.

• 从精细油藏描述入手,开展了河31断块特高含水期剩余油分布规律及挖潜对策研究。在新认识指导下,确立了断块重建井网、细分层系开发的原则。