...过程中的一些问题的认识，如油井含水上升速度分阶段变化的规律、油井产能变化规律、油田 最终采收率 ( ultimate recovery factor )等的认识。
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Well patterns thickening is one of the most important measures in oil field development adjustment process. The rationality of well patterns has a directly impact on ultimate recovery factor.
井网加密是油田开发调整过程中最重要的措施之一,所采用的井网是否合理直接影响到最终采收率的大小。
参考来源 - 朝阳沟油田朝55区块井网加密研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Development scheme is a critical parameter to influence the ultimate recovery factor of super heavy oil.
开发方式是决定一个油田最终采收率的关键参数。
Good recovery result had once been achieved by steam flood, however, because of invasion of edge and bottom water, the ultimate recovery factor of steam soaking is low.
蒸汽吞吐曾获得很好的开采效果，但由于边、底水的侵入，最终蒸汽吞吐采收率较低。
How to increase the ultimate recovery factor of oilfield is not only the main problem for oilfield development but also the largest challenge to production engineering.
如何提高油田最终采收率是油田开发面临的主要问题，也是采油工程面临的最大挑战。
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