A needle valve with a threaded spindle is unscrewed to open a passage for the liquid to escape to the reservoir from the cylinder when the jack is required to be lowered. 当千斤顶需要下降时,一个带锭子的针型阀门被放松来使液体通过圆筒流回储备液箱。
Application of "gas recovery by liquid drainage" technology in Baimiao gas reservoir 排液采气技术在白庙气藏的应用研究
The research result shows that the development liquid has a great effect on permeability of reservoir while it has no effect on the porosity of reservoir. The dynamic geological process is the main factor resulting in the change of macro parameters of reservoir. 研究结果表明,油藏开发流体对储层渗透率的改造作用最大,对孔隙度的影响较小,油藏开发流体的动力地质作用是导致储层宏观参数变化的主因。
By combining the gas-liquid-liquid 3-phase equilibrium flash calculation and considering the distribution of retrograde condensed liquid saturation and effect of reservoir contamination in immediate vicinity of wellbore, a formation flow model is set up. 文中结合气-液-液三相流体相平衡热力学闪蒸计算,建立了考虑近井地带反凝析液饱和度分布以及动态污染影响的凝析气井产能分析新方法。
Condensate gas reservoir is a special type reservoir. Fluid phase state study is very important to the development of this kind reservoir, especially to high liquid hydrocarbon content condensate reservoir. 凝析气藏是一种特殊类型油气藏,对该类气藏的开发特别是在高液烃含量凝析气藏的开发过程中,对流体相态研究尤为重要。
A typical and general formula for calculating dimensionless liquid production index for deltaic reservoir 三角洲相储层油藏无因次采液指数计算的典型通用公式
The sealing liquid is pumped into oil reservoir along with the sewage, so no addition energy was wasted. 而且密封液也随污水回注油层,无附加能量损失。
This paper introduces experimental methods of liquid and gaseous imbibitions, divides the reservoir into geological cutoffs and development cutoffs, investigates the distribution of pores in a heterogeneous reservoir and presents a method for measuring the thick of irreducible water film also. 本文介绍了液态渗吸和气态渗吸的实验方法,提出把储层分为地质下限和开发下限,研究了非均质储层的孔隙分布关系,同时提出了测量束缚水膜厚度的方法。
In well washing, the reservoir can be closed to prevent the washing liquid from entering the reservoir and to carry out a thorough well washing. 洗井时,能关闭采油层,防止洗井液漏入油层,此时整个油井仍相通,可实现油井的彻底清洗。
Double-phase liquid system of gas-water in coal reservoir 试论煤储层气&水两相流系统
The Application of High Energy Gas Fracturing Technologies with Liquid Explosive in Deep Oil and Gas Reservoir 液体火药高能气体压裂在深层油气藏中的应用
The direct result of interaction of liquid and reservoir rock is the precipitation of calcite and dolomite, which will occupy some pore space of the source rocks and create cements, then the calcareous incrustation will be formed. 流体与储集岩作用的直接结果是方解石和白云石沉淀到储集岩中,它们将占有原岩的部分孔隙空间,形成胶结物,进而形成钙质结壳。
The way of researching into the injected and the dispersed liquid's flow characteristic in the reservoir of porous medium by injecting some gas tracers has been proved to be an efficient method. 在油藏中注入各类气体示踪剂,来了解注入流体和被驱替流体在储层多孔介质中的运移特征的示踪剂方法是注气油藏开发动态监测的重要手段之一。
Method in accordance with low back production rate of water in heavy oil reservoirs of Henan oil field, and the difficulty to increase liquid discharge, laboratory experiment on reservoir sensitivity was carried out with typical thin layer under high temperature and high pressure. 方法针对河南油田稠油油城回来水率低、提高排液量难度大等问题,选择有代表性的小层,开展了高温高压条件下的储层敏感性室内试验研究。
According to the distribution characteristics of polar and non-polar aro-matic compounds, analysising Liquid chromatography of reservoir core sample, can identify reservoir water bearing properties. 对储层岩心样品进行液相色谱分析,根据极性芳香化合物和非极性芳香化合物的分布特征,可以识别储层含水性。
The result indicates that starting pressure and capillary force can make the water cut and dimensionless liquid production index increase for water wet reservoir. The gravity can reduce the dimensionless productivity indexes, and its effect on water cut is related to formation obliquity. 结果表明,对于水湿油藏,毛管力和启动压力的存在使含水率和无因次采液指数增加,重力则使无因次采液指数降低,而对含水率的影响与地层倾角有关。
The circulating system of underbalance pressure drilling is a multiphase fluid flowing unsteady pressure system, which is controlled by such factors as the air liquid ratio of pumped fluid, second invaded reservoir fluid, surface back pressure and state equation etc. 欠平衡钻井循环系统是一个多相流体流动的非稳定压力系统,它受注入流体气液比,储层流体二次充入,地面回压等因素控制。
The behavior of flowing liquid in pipeline and the application of air-bag energy reservoir in rotary-percussion drilling 液动回转冲击钻进中管道液流动态及气囊蓄能器的应用
The application of liquid phase state study in the development of condensate gas reservoir 流体相态研究在凝析气藏开发中的应用
Liquid viscosity model for reservoir crude oils 半理论LVIS粘度模型应用于油藏原油
An Exact Solution to Single Direction Flow of Slightly Compressible Liquid in a Reservoir 弱可压缩液体单向渗流问题的精确解
Experimental study of damage of stress and liquid sensitivities to coal-bed gas reservoir 应力敏感及液锁对煤层气储层伤害程度实验研究
The main techniques of Gas Recovery by Liquid Drainage used in Baimiao gas reservoir and their application results are introduced in the article. 文章重点介绍了应用于白庙气藏的主要排液采气技术及其应用效果。
Through the different period of profile-log and liquid producing profile analysis, can understand some of the reservoir changes. 通过不同时期的吸水剖面和产液剖面的分析,可以了解油层的某些变化。
This solids/ liquid separation method was a useful technique reservoir for the large scale cellulosic lactic acid industrially production. 本方法为纤维素乳酸的大规模工业化生产提供了有效的技术储备。
Waveguide layer is composed of fiber and base plate. The exchange region is composed of micro flow channel, liquid reservoir and piezoelectric ceramic. 波导层由光纤及底板组成,交换区域包括微流道、储存液体的储液小槽以及压电陶瓷。
Gas containing diffusion coefficient in the liquid in the porous rock under reservoir conditions will affect the rate of diffusion of the gas, oil and gas miscible conditions. 气体在油藏条件下含液多孔岩石中的扩散系数,将影响气体的扩散速率,油气混溶情况等相关工况。
Through fine contrast of reservior and liquid flow cell partition, the properties including reservoir framework, sand interspace distribute, sand continuity and connexity between sand have been studied clearly. 通过储层的精细对比和流体流动单元划分,弄清沈67块储层结构类型及砂体的空间展布、砂体连续性及砂体间的连通性。
Water drainage and gas production by is an effective solution of the wellbore liquid loading problem and enhancement of gas reservoir recovery. 排水采气是解决井筒积液问题,提高气藏采收率的有效解决办法。