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海拉尔油田储层物性差,无法有效注水,同时部分区块砂体发育规模小,连通性差,储层呈中强水敏性,无法有效的建立注采系统,油井主要依靠天然能量弹性开采,产量递减幅度大。而采用复合热载体吞吐的开采方式对此类油藏将会是一种有效的方法。复合热载体吞吐是一种热力采油新方法,它基于复合热载体发生器,将在发生器内燃烧产生的高温水蒸气,氮气和二氧化碳直接注入油层。它兼具二氧化碳增油和热力近井解堵作用,能够充分开发此类油藏。我们主要根据油田实际数据建立地质模型,在对注汽前油井生产动态进行历史拟合的基础上,利用正交优化方法对复合热载体吞吐采油过程中的注采参数进行了优化,并估算出适合该油藏开发的最优的注采工艺参数。
The properties of the Hailaer oilfield are poor and can not be effectively injected with water. At the same time, some sandstones of some blocks have small development scale and poor connectivity, and the reservoirs are moderately water-sensitive. Therefore, the oil and gas wells can not effectively establish the injection-production system. The oil wells rely mainly on natural energy elastic mining, Decreasing large. The exploitation of complex heat carrier huff and puff will be an effective method for such reservoirs. Complex heat carrier throughput is a new method of thermal oil production based on a composite heat carrier generator that injects high temperature steam, nitrogen and carbon dioxide directly from the combustion in the generator into the reservoir. It combines both CO 2 boosting and thermal near-well plugging to fully exploit such reservoirs. Based on the historical data of oil well production before steam injection, we use the orthogonal optimization method to optimize the injection and production parameters during the process of the huff and puff in the complex heat carrier, and estimate The best injection and production process parameters suitable for the development of this reservoir.