During the flush production stage, the oil is produced in relatively large, but rapidly declining amounts from the natural reservoir energy.

在自喷期内，依靠天然储层能量开采，产量相对较高，但下降较快。

youdao

For flooding development reservoir, addressed the classing method for natural driving energy and the evaluating method for natural water drive development effect.

对水驱开发油藏论述了天然驱动能量的分级方法与天然水驱开采效果的评价方法。

youdao

Water-oil volume ratio of edge-bottom water reservoir presents the capacity of natural energy. It's the key to determine reservoir development scheme and strategy.

边底水驱油藏水油体积比表征了天然能量大小，是确定油藏开发方式和开发对策的关键。

youdao