原油经减压蒸馏所得的残余油。
运移分馏作用可以产生衍生凝析油和残余油。
Migration fractionation can form derived condensate and residual oil.
提出了用热解参数计算残余油饱和度的新方法。
Suggest a new method of calculating residual oil saturation by means of pyrolytic parameters.
实验条件相似的流体,其弹性越大,驱替后残余油饱和度越低。
The higher the elasticity is, the lower the saturation of residual oil will be.
还对非均质岩心中表面活性剂驱后残余油的分布特征进行了分析。
Besides, the thesis has studied the distribution of residual oil after surfactant flooding.
提出了 不同低渗透储层可动油和残余油在地层孔喉中的分布 规律。
The distribution character of movable oil and irreducible oil in low permeability reservoir was presented.
可通过提高水洗程度来提高驱油效率,但降低水驱残余油的难度很大。
Polymer flooding can enhance the oil displacement efficiency through enhancing the water-out degree. But it is very difficult to decrease the waterflood remaining oil.
界面张力的降低可提高毛管数,从而使残余油饱和度下降,提高原油采收能力。
Reduction of interfacial tension can increase capillary number, accordingly, reduce saturation of irreducible oil, enhance ability of oil recovery.
降低界面张力、增强驱油剂的黏弹性、增加驱替速度,有利于提高驱替残余油膜的驱替效率。
Decreasing interfacial tension or enhancing the viscoelasticity or displacement velocity is favorable to increasing the displacement efficiency of oil film.
微观可视岩心模型实验研究结果证实,粘弹性驱替液可降低不同润湿性岩心的残余油饱和度。
Research results of flooding visualization cores show that viscous-elastic fluid flooding can decrease the residual oil saturation of cores with all types of wettabilities.
结果表明:在低渗油藏相对渗透率曲线中,束缚水和残余油饱和度较高,两相渗流区范围较窄;
The results show that: 1)the residual water and oil saturations are higher in the relative permeability curves of low permeability media;
因此,注蒸汽热采可以改善稠油渗流特性,降低残余油饱和度,提高驱油效率、波及系数及采收率。
The steam flood can improve heavy oil seepage flow characteristics, remain oil saturation, and enhance oil displacement efficiency, conformance factor as well as EOR.
文章给出了动态残余油饱和度的概念,提出了利用吸水剖面测井资料来确定动态残余油饱和度的方法。
Concept of dynamic residual oil saturation is given. A method of determining dynamic residual oil saturation using log data of water intake profile is advanced.
单井示踪剂法测试残余油饱和度技术是一种精度较高的测试方法,探测深度大且具有控制探测深度的能力。
The technology of single well chemical tracer measuring residual oil saturation is a kind of measuring methods with high accuracy.
室内实验和矿场实践表明,聚合物驱可以提高采收率8~15%,但聚合物驱后地下仍有50%的残余油。
The results from laboratory and field test show that polymer flooding can improve 8~15% OOIP, but still 50% remaining oil underground after polymer flooding.
在各组分气液溶解平衡的格架下,气洗作用将导致残余油中正构烷烃的大量损失以及次生凝析气藏的形成。
Based on the framework of the components phase equilibrium, the process of gas washing can deplete then-alkanes of the oil and produce the subsequent condensates.
在蒸汽泡沫微观渗流研究的基础上,研究了温度、气液比、气液速率、残余油饱和度以及渗透率对蒸汽泡沫封堵能力的影响。
The influence of temperature, gas-liquid ratio, gas-liquid rate, residual oil saturation and permeability on steam foam sealing ability is studied on the basis of microscopic percolation study.
一般相对渗透率曲线具有束缚水饱和度较高、残余油饱和度较低以及残余油状态相对渗透率较高、两相流动区间较宽的特点;
In general, these curves are characterized by high irreducible water saturation, low remaining oil saturation with high relative permeability and wider two-phase region.
通过对实验室岩心分析资料的研究,认为高电阻率水层的成因是岩性变化、残余油的存在及局部地区地层水矿化度的变化引起的。
Core analysis data from laboratory showed the origin of water layers with high resistivity is due to changes of lithology, residual oil and formation water salinity in local areas.
在后续注水过程中,存在于大孔道的弱凝胶迫使后续注入水改向进入未被注入水波及的小孔隙,驱替的残余油滴聚集并形成油墙。
In the post-water flooding process, WG in the larger channels diverts the injected water entering the smaller pores and displacing residual oil to form oil bank in the front of the displacing water.
生产的原料:木质生物质,油籽,禾草,谷类作物残余物。
Feedstock. Woody biomass, oil seed, grasses, cereal crop residue.
经浓缩,脱糖或经过化学处理的木浆残余碱液,包括木素磺酸盐(妥尔油除外)
Residual lyes from the manufacture of wood pulp, concentrated, desugared or chemically treated, including lignin Sulphonates (excluding tall oil)
先进生物燃料的原料来源包括柳枝稷、大豆油、玉米油、农作物残余物、木质生物质等等。
Feedstock pathways for advanced biofuels include switchgrass, soybean oil, corn oil, crop residues, woody biomass and other feedstocks.
先进生物燃料的原料来源包括柳枝稷、大豆油、玉米油、农作物残余物、木质生物质等等。
Feedstock pathways for advanced biofuels include switchgrass, soybean oil, corn oil, crop residues, woody biomass and other feedstocks.
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