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利用密闭取心、测试、测井、生产动态分析、油藏数值模拟及国外稠油热采井网密度类比等研究方法,对克拉玛依油田浅层稠油油藏剩余油分布规律及井网密度进行了研究。在此基础上对加密井开发效果进行分析,总结了加密井的生产特征。提出了吞吐期改善加密井生产效果的技术策略以及加密后转汽驱的依据、最佳井网形式、注汽方式、注采参数优化以及加密后汽驱各项开发指标预测,为井网加密后最佳开发方式的确定提供了依据。
The remaining oil distribution and well pattern density of shallow heavy oil reservoirs in Karamay Oilfield are studied by means of closed coring, testing, logging, production dynamic analysis, reservoir numerical simulation and overseas well density analogy. Study. On the basis of this, we analyzed the development effect of infill wells and summarized the production characteristics of infill wells. The technical strategy of improving the production efficiency of infill wells during the throughput period and the basis of steam flooding after encryption, the best pattern of well pattern, the method of steam injection, the optimization of injection and production parameters, and the predictions of various development indexes of steam flooding after encryption are put forward, After determining the best way to provide a basis for development.