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- The result shows that permeability modulus,threshold pressure and fracture length all have effec... 渗透率模数和拟启动压力梯度越大,裂缝越短,气井产能越小。
- Many experiments justify that there is a threshold pressure gradient (TPG) in low permeability reservoirs. 试验表明 ,低渗透油藏存在启动压力梯度。
- The deliverability prediction theoretic curve of fractured well in low permeability reservoirs with threshold pressure effect is studied in this paper. 针对具有启动压力影响的低渗透储层压裂井的不稳定产能预测理论曲线进行了分析研究。
- The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow. 为了研究低渗透砂岩的启动压力梯度,设计了一种非稳态渗流中测量压力的试验方法。
- According to the statistics formula between the ratio of capillary pressure to threshold pressure (Pc/Pe) and the effective wetting-phase saturation(S*wt) established by Brooks R. H. and Corey A. 根据Brooks R H和Corey A T建立的毛管压力同阈压之比(P_c/P_e)与有效湿相饱和度S_(wt)之间的统计公式提出一种计算平均毛管压力曲线的方法.
- The mathematical model with threshold pressure gradient and injection-production ratio is constructed when the formation pressure change linearly on the base of material balance principle. 利用物质守恒原理,建立地层压力线性变化趋势下考虑启动压力梯度和注水强度影响的渗流数学模型。
- The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs arc analyzed. 摘要根据低渗透非均质油藏的特点，分析了启动压力梯度、纵向非均质性、小层厚度和平面砂体厚度展布对该类油藏开发的影响。
- threshold pressure inspiratory valve 阈值压力吸气阀
- the injection threshold pressure 启动压力
- The cabin has a flat stone for a threshold. 这间小屋用一条扁平的石头做门槛。
- The treaty will be the threshold of lasting peace. 这个条约将成为持久和平的开端。
- An Improvement of Darcy's Law With Threshold Pressure Gradient 对含有启动压力梯度的达西公式的改进
- He was on the threshold of his career. 他的事业刚刚起步。
- Threshold pressure gradient of low permeability sandstone 低渗透砂岩渗流启动压力梯度
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- He had never crossed the threshold of a bar before. 他过去从未进过酒吧的门。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Scientists are now on the threshold of an important discovery. 科学家们很快就会有一项重大发现。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
