| 1. | Injection pattern displacment efficiency of ntcp foam system
泡沫体系的注入方式及驱油效率 |
| 2. | Displacement efficiency measurement method for heavy - oil reservoirs
稠油油藏驱油效率的测定 |
| 3. | The laboratory study on displacement efficiency with microbial and chemical system
微生物与化学剂体系结合提高驱油效率的实验研究 |
| 4. | Numerical simulation method for enhancing waterflooding efficiency using direct current electric field
直流电场提高水驱油效率的数值模拟方法 |
| 5. | Results show that water injection can largely increase oil production in a short time stage
水驱油实验结果表明，青平川油田长2油层水驱油效果较好，油田最终驱油效率可达49 . 4 % 。 |
| 6. | Experiment result shows that the displacement efficiency of foam flooding is 30 % higher than that of water flooding
大量的室内驱油实验结果表明，泡沫复合体系的驱油效率比水驱提高30以上，是一项很有前途的三次采油方法。 |
| 7. | Besides , the natural core in - house long - term washing out experiment has proved that waterflood efficiency of pressure coring can reach as high as 80 % ~ 90 %
天然岩心室内长期水冲刷实验证实了密闭取心的水驱油效率可达80 % ~ 90 % 。 |
| 8. | Laboratory displacement experiment result shows that the displacement efficiency of foam complex system is 30 % ( ooip ) higher than water displacement
室内驱油实验结果表明，泡沫复合体系的驱油效率比水驱提高30 （ ooip ）以上。 |
| 9. | This paper studies the factors including injection pattern , injection procedure and slug size which influence the displacement efficiency of loam flooding
针对影响泡沫复合驱驱油效率的注入方式、注入程序及段塞大小等重要因素进行了一系列的研究。 |
| 10. | The initial low ift is very advantageous to enhance oil recoveries , petroleum carboxylat of compound surfactant play the sacrificial agent role in the process of absorption and reduced the sulphonate absorption loss
复配表面活性剂吸附过程中羧酸盐起到了牺牲剂作用，降低了磺酸盆的吸附损失，复配体系的这些特点对提高驱油效率很有利。 |
