The coning of bottom water will happen as soon as the producing pressure drop of a well is higher than the difference of gravity caused by the difference of density between oil and water.
当油井生产形成压力降落大于油水密度差引起的重力差时，砂岩底水油藏锥进即会发生。
From laboratory evidences, the high oil saturation bank was formed in front of burning zone, and mainly producing pressure drop concentrated on the high saturated oil region during fire flooding.
实验证据显示，在燃烧带前缘存在高含油饱和度带，在该区域压降较其他区域集中。
An apparatus for testing the pressure drop of the water injection well is developed according to the actual requirement of oil field production.
针对油田注水生产的需要研制了注水井注水压降测试装置。
The model is an effective method, which can be used for pressure drop of oil gas water three phase vertical upwards slug flow in which the continuous liquid phase is water phase.
本模型是计算垂直油-气-水三相弹状流中液相的连续相为水相时的压力降的有效方法。
The relation equation of pressure drop in oil tank vers burning time and the air volume is established.
导出了油箱容积、气箱容积、充气间隔的压力降和燃烧时间的关系。
Pressure drop is another important disquisitive branching in the investigation of oil-water two-phase flow.
压降计算是油水两相水平管流的另一个重要的研究课题。
Boundary response, fast drop of reservoir pressure and rapid increase of producing gas oil ratio all show limited oil in place of the formation, which behaves like lenticular reservoir.
边界反映、地层压力快速下降及生产气油比迅速增大都说明该层储量有限，表现出透镜状油藏的特征。
In two-phase oil and gas flow, the calculation of pressure drop and liquid holdup plays an important rule in technological calculation.
在油气两相管流中，压降和持液率的计算在工艺计算中占有重要的地位。
The critical production pressure drop and critical output during sanding in oil Wells were gained by the calculation with the channel sanding prediction model.
通过孔道出砂预测模型的计算，得到了油井出砂时的临界生产压差和临界产量。
Larger diameter of oil tube, fast drop on the temperature and slow drop on the pressure.
油管直径越大，温度下降越快，压力下降越慢。
Failure modes: Consider the occurrence of an apparent large drop in engine oil pressure.
失效模式：发动机油压的明显大幅下降发生。
With oil, gas, water as working fluids, the experiment studies of frictional pressure drop characteristics of oil gas, gas water two phase flow in vertical helically coiled tubes were carried out.
分别以油气、气水为工质，对立式螺旋管内气液两相流的摩擦阻力特性进行实验研究。
The new correlation can provide satisfied predictions to the pressure drop characteristics of R410A-oil mixture flow boiling inside enhanced tubes.
新关联式能够很好的预测R410A-油混合物在强化管内流动沸腾的压降特性。
The new correlation can provide satisfied predictions to the pressure drop characteristics of R410A-oil mixture flow boiling inside enhanced tubes.
新关联式能够很好的预测R410A-油混合物在强化管内流动沸腾的压降特性。
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