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碳酸盐岩储层储集空间以洞穴、溶蚀孔洞、裂缝为主,后期生产大都表现为天然能量不足,通常采用注水替油方式来有效地补充能量、提高油气采收率。利用ECLIPSE数值模拟软件建立单元注水、一注一采机理模型,优化注水替油、保压开采、单元注水等3种不同开发方式的注入参数,为矿场注水开发和提高采收率提供依据。
Carbonatite reservoirs are dominated by caves, dissolved pores and fractures. Post-production is mostly characterized by natural energy deficiencies. Water injection and oil replacement are usually used to effectively replenish energy and enhance oil and gas recovery. ECLIPSE numerical simulation software was used to establish the injection parameters of unit injection, one injection and one extraction mechanism model, optimization of water injection and replacement, pressure preservation and unit water injection, which provided basis for water injection development and enhanced oil recovery.