Mewawalla认为由于上述这些原因，审计员和投资者已经对煤层气的前景持非常谨慎的态度。
Mr Mewawalla argues that auditors and investors have been cautious about coal-bed methane's prospects for all these reasons.
为此推导了油、气泡分别呈圆球状和椭球状泡状流动时油、气电导率与持水率的关系式，发现混合流体电导率值相差很小。
The relationships between conductivity and water holdup of oil and water bubbles are analyzed respectively under the conditions of ball and ellipsoidal shapes when the mixed fluid is in froth flow.
实例表明，应用持气率资料有利于提高产气剖面解释的准确性。
Examples indicate that application of gas holdup data is beneficial for improving the precision of gas producing profile interpretation.
提出了零液流量气提流动的两相流水动力学模型，应用该模型计算了零液流量气提流动的持液率和压力降。
Using the model, the liquid holding efficiency and pressure drop of gas lifting flow with liquid flow rate being zero was calculated.
目的解决深井气举采油过程中不同流动型态的压力梯度、持液率、混合物密度对气举井设计和运行影响的问题。
Aim To resolve the influence of pressure gradient, liquid hold-up and mixture density of the different flow model on the design and operation of gas-lift well in oil recovery.
本文介绍利用中子仪测定水文地质参数包气带田间持水量和含水层变幅带给水度的原理与方法。
This article introduces a method for determining hydrogeological parameters such as the field capacity in zone of aeration and the specific yield in aquifer where water content is varied.
在本文模拟工况下出现的各种流型，其径向持气率的最大值基本出现在管中心。
For the various flow pattern in the various simulated conditions of this paper, the maximum radial void fraction is most at the center of the tube.
根据川西南威远气田大水量气井现场测试数据，建立了举升油管和油套环空气液两相流压降优化模型。将油管内的持液率模化为气相、液相无因次速度和液相无因次粘度的函数；
An optimal model is proposed for predicting the pressure drop of two-phase flow in gas well tubing and annulus, based on the measured data from the gas field of southwest Sichuan, China.
根据川西南威远气田大水量气井现场测试数据，建立了举升油管和油套环空气液两相流压降优化模型。将油管内的持液率模化为气相、液相无因次速度和液相无因次粘度的函数；
An optimal model is proposed for predicting the pressure drop of two-phase flow in gas well tubing and annulus, based on the measured data from the gas field of southwest Sichuan, China.
应用推荐