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Experiment Study on Oil Displacement Efficiency of Oil Sands under Fluctuation-Chemical Compound Conditions

机译：波动 - 化学复合条件下油砂油含量效率试验研究

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Oil displacement efficiency of oil sands can be improved by combining low-frequency resonant wave with chemical displacement agent. Through experiments targeted on oil displacement effect of the compound oil displacement agent, we selected the most suitable one for a certain oilfield: 15～20 g/L NaOH+20～25 g/L Na_2CO_3+9～12 g/L XY. Besides, on the basis of selected compound oil displacement agent, the influence of vibrational wave on oil displacement effect was also investigated according to vibration principle of low-frequency artificial vibration. Results show that, when the frequency of artificial vibration is 25-40Hz, acceleration exceeds 0.6 m/s~2 and effective time is 12min, oil displacement efficiency achieved 97.26%, indicating that oil displacement effect of recombination action is better than that of chemical method alone, hence low-frequency resonant wave can be used in oil sands displacement.
机译：通过将低频共振波与化学位移剂组合，可以改善油砂的油位移效率。通过靶向化合物油位移剂的油位移效果的实验，我们选择了一定的油田最适合的一个：15〜20g / L NaOH + 20〜25g / L Na_2CO_3 + 9〜12g / L XY。此外，在选定的化合物排水剂的基础上，还根据低频人工振动的振动原理研究了振动波对油位移效果的影响。结果表明，当人工振动的频率为25-40Hz时，加速度超过0.6米/秒〜2，有效时间是12分钟，油位移效率达到97.26％，表明重组作用的油位移效果优于化学品更好单独的方法，因此低频谐振波可用于油砂位移。

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