The basic law of injection development is the injection development at the early stage, fast water-cut rising and low recovery degree at middle stage.

注水开发的基本规律是：注水开发早、中期含水上升速度快，采出程度低，相当多的水驱可采储量要在高含水期采出。

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Unequal application of lethal injection violates the principle of equality in law, and has aroused many doubts.

注射死刑不平等适用违反了法律面前人人平等原则，引起社会的诸多质疑。

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Therefore, it is necessary to do researches on the CO2-crude oil diffusion mechanism and change law in the process of gas injection.

因此，有必要针对注气过程中的CO2 -原油扩散机理及变化规律进行探讨。

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