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次非主力层对于主力层来说,具有含油面积小,厚度薄,砂体分布分散等特征,在历次开发调整中都不是重点调整的对象。随着油藏开发的深入,油藏南区主力层大面积水淹,次非层难以动用。目前油藏南区次非主力层剩余油储量占整个南区储量的45%,动用潜力较大。在研究中,我们以整个油藏为出发点,重点剖析和研究南区次非层潜力,提出下步开发思路。
Secondary non-main strata For the main strata, the characteristics of small oil-bearing area, thin thickness and scattered sand bodies are not the focus of adjustment in any previous development and adjustment. With the deepening of reservoir development, the main strata in the southern part of the reservoir are flooded in a large area and difficult to be used in the non-strata area. At present, the remaining oil reserves in the non-main sub-region of the southern part of the reservoir account for 45% of the total reserves in the southern part of the region, with a great potential for utilization. In the research, we take the whole reservoir as a starting point, focusing on analyzing and studying the sub-non-layer potential of the South District, and put forward the idea of the next step development.