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储层大孔道的存在对油田注水开发有着重要的影响。要改善高含水期油藏注水开发效果,实现稳油控水,提高水驱效率,就必须加强对储层大孔道的识别。本文结合试井的理论来判断地层是否存在大孔道。通过现场验证,该方法可以应用在油田现场,有效地识别地层大孔道。
The existence of large channels in reservoirs has an important impact on the development of oilfield waterflooding. In order to improve the effect of waterflood development in high water-cut reservoirs, and realize the water diversion and the improvement of waterflooding efficiency, it is necessary to enhance the identification of large channels in reservoirs. In this paper, the theory of well testing to determine whether the formation of large pores. Through on-site verification, this method can be applied in the field of oilfield to effectively identify the large-scale stratum.