In the vertical direction, follow-up water diverted from the high-permeability layer to the low-permeability layer to enhance the vertical sweep efficiency.

在纵向上，后续水从高渗层转向低渗透层，提高纵向波及系数。

youdao

Verification works on vertical deflection sensitivity and horizontal sweep speed of digital oscilloscope are summarized.

总结了数字示波器垂直偏转灵敏度和水平扫描速度的检定工作。

youdao

Results show that polymer flooding can improve the producing reserves effectively, extend the plane sweep efficiency, reduce the difference between layers and balance the in-layer vertical producing.

结果表明，聚合物驱可有效地提高油层的动用状况，扩大平面波及系数，减小层间差异，使层内纵向动用更加均匀。

youdao