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乐安油田草20块特稠油油藏馆一砂体自2001年起全面水淹。通过建立精确地质模型,进行开发历史拟合、蒸汽吞吐效果分析,同时研究边水水侵规律,研究边水对开发工作制度的影响以及下一步控制边水可能的措施、方向和做法。结合建立的精细地质模型和模拟结果,对目前草20区块的剩余油分布规律进行分析,得到有关定量的技术指标,确定了后期改善开发效果挖潜方向。
Lean Oilfield grass 20 extra heavy oil reservoir a sand body since 2001 fully flooded. Through the establishment of accurate geological model, the author conducts historical development of fitting and steam huff and puff, analyzes the law of edge water intrusion, studies the effect of edge water on development work system, and possible measures, directions and practices for controlling edge water. Combined with the established detailed geological model and simulation results, the remaining oil distribution in the current Cao20 block is analyzed, and the technical indicators related to the quantification are obtained, and the direction of tapping the potential for improving the development effect in the later period is determined.