| 1. | Study on stability of heavy crude oil - in - water emulsion 型乳状液稳定性的研究 |
| 2. | Avoiding shot coke in extra - heavy crude delayed coking unit 超稠原油延迟焦化产生弹丸焦的原因及对策 |
| 3. | Design parameters of steam injection system for thermal recovery of heavy crude 稠油热采注蒸汽系统设计参数探讨 |
| 4. | Numerical simulation of thermal - surfactant combination flooding for heavy crude reservoir 表面活性剂复合驱数值模拟研究 |
| 5. | Experimental study on enhanced deaquation process for extra - heavy crude oil using dehydrant 8烯烃氢甲酰化反应条件的研究 |
| 6. | Injection - steam boiler miniaturization technological study for heavy crude oil thermal recovery of liaohe offshore oil field 辽河海上稠油热采注蒸汽锅炉小型化技术研究 |
| 7. | A new surfactant heavy crude oil sulfonates ( hcos ) was synthesized from daqing heidimiao oil with fuming sulfuric acid 考察了酸烃比、反应温度、反应时间对磺化反应的影响。 |
| 8. | Chavez this week signed a decree for the government to take a majority stake in four heavy crude upgrading projects in the orinoco basin by may 1 查维斯在上周签署了一项政府法令,要求在今年5月1日前收回4个在奥里诺科河盆地的主要重质石油生产改造项目。 |
| 9. | Similarly , to take advantage of the split between light and heavy crude prices as well as deep conversion of crude to more valuable light products , heavy oil conversion technologies are indispensable 同理,为善用轻重原油的价差和重油转化为高价值轻质油料,有效的重油转化技术亦不可或缺。 |