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- When limited water cut is given, these equations can be used to predict the ultimate volumetric sweep efficiency and recoverable reserves. 当确定了极限含水率之后，可利用该关系式预测油田的最终水驱体积波及系数和可采储量。
- Determination of Displacement Efficiency and Volumetric Sweep Efficiency 驱油效率和体积波及系数的确定
- volumetric sweep efficiency 体积波及系数
- A good well pattern can improve the areal sweep efficiency and delay water breakthrough. 一个良好的布井系统能改善同一地区的波及系数并延迟水突破。
- Unstable waterflooding was verified to be able to enlarge sweep efficiency and en-hance the ultimate oil recovery. 实践证明不稳定注水能够提高注水波及系数,提高油藏最终采收率。
- The injectivity, plugging performance and sweep efficiency of the gel system is evaluated through single and parallel core experiments. 通过单岩心和并联岩心实验对凝胶体系的注入性能、封堵性能和驱油效果进行了评价；
- Contribution generated from displacement oil to enhance oil recovery is obtained, which is 33.27%, and sweep efficiency contribution is 66.73%. 初步得出驱油效率对提高来收率值的贡献率为33.;27%25，波及系数的贡献率为66
- Comparing with water flooding,the viscoelasticity of polymer flooding is favorable for improving the sweep efficiency of reservoirs,but it is limited to enhance oil recovery. 与注水工艺相比，聚合物所具有的粘弹性能提高驱油效率，但其对提高采收率的贡献是有限的。
- Water injection rate can be improved effectively by means of the installation of booster pump on single well, accelerating well stimulation, and improving water injection sweep efficiency and recovery of the low permeable oilfield. 通过单井装增压泵的增压注水方式,可以有效提高注水量,促进油井见效增产,达到提高低渗透油田注水波及效率和采收率的目的。
- The effects of MEOR include as follows: being favorable to oil-gas percolation, changing wettability of rocks, improving hydrocarbon migration, reducing surface tension of emulsified oil, decreasing crude viscosity and improving sweep efficiency, etc. 采油微生物具有自身的优势，有利于油气渗流及提高采收率，尤其是微生物能改变岩石润湿性、改善油气运移、乳化原油降低表面张力，微生物及代谢产物还对原油具有降粘作用，对地层水产生有利影响，提高波及系数。
- The high efficiency oil displacement technique supplies the inadequacy of mechanism of polymer flooding and the sweep efficiency lost by the volume of inaccessible pore of polymer. 高效洗油技术既弥补了聚合物驱机理的不足，也弥补了聚合物不可入孔隙体积所损失的那部分波及系数。
- The sweep efficiency and oil displacement effect of polymer flooding in seven spot and five spot patterns for single and multizone reservoirs were simulated by numerical simulation. 用数值模拟研究手段对七点法井网、五点法井网以及单油层、多油层聚合物驱的波及系数及驱油效果进行了模拟 ;
- Bottom water rising is delayed by beating chemical clapboard in oil-water contact before reservoir launched, sweep efficiency of plugging agent is improved by adjustment of pluggi... 现场应用表明,底水油藏先期堵水可实现油井低含水投产,采出程度大大提高,效果好于底水锥进后再进行后期治理。
- A study on the changing relation of the water - flooding volumetric sweep factor 水驱体积波及系数变化关系的研究
- Don't leave her alone to sweep up after the party. 宴会结束后别让她一个人打扫清洁。
- The diverting effect of WG in pores can improve the microscopic swept efficiency and oil recovery. 弱凝胶的流体改向作用是提高微观波及效率和采收率的主要因素；
- Liberals sweep to victory in divided Canada. 加国选举，自由党大获全胜。
- Rise at dawn and sweep the courtyard. 黎明即起，洒扫庭除。
- He picked up the broom to help me sweep the floor. 他拿起扫帚帮我扫地。
- sweep efficiency of waterflooding volume 水驱体积波及系数
