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随着油田进入特高含水开发阶段,复杂断块油藏的产量出现下滑,主要是复杂断块单元存在不同程度的储量失控。针对不同的失控储量类型,本文确定了不同的失控储量即剩余可采储量计算方法,并对典型单元进行了测算。结合经济政策界限,应用不同的潜力测算方法可以对不同类型的失控储量潜力进行评价,为下一步的开发调整措施提供依据。
As oilfields enter the stage of extra-high water cut development, the production of complex fault-block reservoirs has declined, mainly due to the uncontrollable loss of reserves in complex fault blocks. According to the different types of uncontrolled reserves, different uncontrolled reserves, that is, the remaining recoverable reserves, are determined and the typical units are calculated. Combined with the boundaries of economic policies, different potential calculation methods can be used to evaluate the potential of different types of uncontrolled reserves, and provide the basis for the next development and adjustment measures.