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碳酸盐岩分布很广泛,其面积占沉积岩总面积的20%,同时它是非常重要的储集层,其油气储量占世界油气总储量的50%。因此对碳酸盐岩储层的开采和保护是极其重要的。目前,对碎屑岩储层和孔隙性储层的损害机理及对其采取的保护技术有了较为成熟的研究,但是对裂缝性碳酸盐岩储层保护技术的研究相比较之,还尚且不够,有待于我们的进一步研究。本文从固相颗粒运移、堵塞损害,流体敏感性,应力敏感性,水相圈闭等方面来分析了裂缝性碳酸盐岩储层的损害机理,并针对性的分析了其储层的保护技术。
Carbonates are widely distributed, accounting for 20% of the total area of sedimentary rocks. At the same time, they are very important reservoirs, accounting for 50% of the total oil and gas reserves in the world. Therefore, the exploitation and protection of carbonate reservoirs are extremely important. At present, the research on the damage mechanism of clastic reservoirs and porous reservoirs and the protection technologies they have taken place are relatively mature. However, compared with the research on the protection technology of fractured carbonate reservoirs, Not enough, pending our further study. In this paper, the damage mechanisms of fractured carbonate reservoirs are analyzed from the aspects of solid particles migration, plugging damage, fluid sensitivity, stress sensitivity and water phase trapping. Protection technology.