查询词典 pressure reservoir

The feature that how the concavity of dimensionless IPR curves varies with variations in average reservoir pressure was found.

通过对大量油藏模型的模拟计算，研究了各种因素对溶解气驱油藏水平井无因次IPR曲线的影响，总结了无因次IPR曲线的曲度随油藏平均压力下降而变化的规律。

This makes the study of the area more difficulty.The sand reservoir clastic fragment, the characteristics of infillings, digenesis and the structure and evolution of pores have been studied by means of many techniques including of microscope, EMS, high pressure mercury intrusion and thin section.

应用显微镜下观察、电镜扫描、高压压汞及铸体等分析技术，对砂岩储层的碎屑组分、填隙物特征、成岩作用以及孔隙结构与孔隙演化进行了研究，尝试运用数理统计方法研究了储层非均质性，分析评价了储层物性特别是渗透率的非均质性。

If the entry pressure of caprock s and reservoir characters regularly evolute in accordance with the nowadays evolution curve, we can deduce that lithologic traps can form in early time and the traps have several formin.

根据盆地内部储层和盖层的临界条件，利用盖层排替压力曲线和储层物性曲线联合确定了岩性圈闭的发育层段，发现多个层位可发育岩性圈闭。

Abrupt fluid contacts indicate a permeable reservoir;gradational ones indicate a low permeability with a high capillary pressure.

突变的流体界面表层储层具有很好的渗透率，而渐变的流体界面表明储层的渗透率较差，且储层的毛细压力较高。

Finite element discretization was carried out on the mathematical model to get a fully coupled finite element equation with the parameters of element nodal displacement and element nodal pore pressure as unknown variables. Finally, the transient nonlinear finite element equation in incremental form for reservoir fluid-solid coupling is obtained by means of time discretization in implicit difference scheme.

基于与微分方程等价的加权余量公式，在空间域采用有限元离散，对时间域进行隐式差分格式离散，导出了以单元节点位移和单元节点孔隙压力为未知量的储层流固耦合的非线性有限元增量方程。

Based on the assumption of incompressibility of reservoir water,the basic formulae for calculating hydrodynamic pressure and the added mass matrix are derived.

在库水不可压缩假定的前提下推导了坝面动水压力与附加质量矩阵的基本方程。

The influences of reservoir pressure and pulse duration on instantaneous velocity are investigated.

在由 3根陶瓷滤管组成的实验装置上，利用热线风速仪对脉冲反吹时滤管外瞬态流场进行了测定，分析了喷吹压力和脉冲宽度对滤管外流场的影响。

The influences of reservoir pressure and pulse duration on the instantaneous velocity are investigated.

过渡过程的基本特征为滤管内压力低于管外压力，滤管外壁附近存在回流现象。

The test result indicated that the interfacial tension of CO2 and reservoir crude oil decreased almost linearly as increasing pressure.

实验发现，CO2与原油间的界面张力随压力的增加近似呈线性下降趋势。

In this paper, the reasons leading to poor development effects of Chaoyanggou low-permeability oilfield are analyzed, the relational expressions between recovery efficiency and well spacing density, considering the start-up pressure, are given. In the paper, the water flooding control degree, lower limit of reservoir permeability, effectively driving factor, and other parameters are studied, and their influence on the well spacing density is presented.

中文摘要：摘要：本文分析了大庆朝阳沟低渗透油田开发效果差的主要原因，给出了考虑启动压力条件下，采收率与井网密度的关系式；研究了水驱控制程度、油藏渗透率下限、有效驱动系数等参数对井网密度的影响；确定了朝阳沟油田合理井网密度界限。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。