Depth profile control in water injector is not only an important technology of secondary oil recovery, but also the technical key of tertiary oil recovery in severe heterogeneous oil reservoirs.
2
针对常规调剖剂因成本较高、处理半径较小、使调剖效果受到影响的问题而研制出一种深度调剖剂。
A kind of deep profile control agent was developed according to the problems exiting in field such as higher cost of general agent and shorter disposal radius.
3
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.
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