利用势的叠加原理，给出了非均质油层压力分布预测模型。
According to the theory of potential superimposition, the model to predict pressure distribution in a heterogeneous formation has been established.
研究了大庆油田非均质油层聚驱开发中存在的主要问题，提出了利用深度调剖技术解决这些问题的方法。
This paper studies the main problems occurred in developing heterogeneous reservoirs with polymer flooding. Deep modification profile control is mentioned to solve these problems.
油层的非均质性主要体现为渗透率分布的不均匀。
The heterogeneity of an oil reservoir is mainly characterized by the non-uniformity of permeability distribution.
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