纵向上具有渗透率变化大、气层范围小的特点。
On longitudinal it is the permeability variation in a big way, and the aerosphere scope small.
低中孔隙度和渗透率变化大为储集层的主要特征。
The reservoirs are characterized by considerable variation in porosity and permeability.
这些信息可以在属性模拟时约束平面渗透率变化。
They also can be used to constrain the variety of plane permeability during petrophysical modeling.
渗透率变化会损害油藏，而且这种损害是不可逆的。
The permeability change can damage the reservoir and the damage is irreversible.
实例分析揭示了高速流动下油气相对渗透率变化及油气分布状态新特征。
Some novel characteristics of gas condensate relative permeability and distribution state under high velocity flow have been found in the analysis of application example.
在此基础上，分析无因次表观渗透率变化系数和流度比对压力动态的影响。
On the basis, the influence of dimensionless apparent permeability variation factor and mobility ratio to pressure behavior has been analyzed.
在此基础上，分析无因次表观渗透率变化系数和边界条件对产量动态的影响。
On the basis, the influence of dimensionless apparent permeability variation factor to flow performance has been analyzed.
本文研究了异常高压油藏稳定渗流规律，建立了利用系统试井资料求取渗透率变化系数的方法。
The paper studied stable seepage flow rule of overpressure reservoir and created the method for using systematic well testing data to compute permeability variation coefficient.
依据储层变形与渗透率变化关系数学模型，推导建立了考虑储层变形的煤岩气藏单井产能公式。
Coal gas reservoir single well productivity formula was established by use of the model of reservoir permeability changes with reservoir deformation.
利用数值运算的结果研究了由油层内部微粒，外部微粒共存时孔隙度和渗透率变化的动态特征。
And a number of runs were used to study the dynamic characteristics of porosity and permeability changes caused by the migration of external particles and in situ fines.
研究出一套用试井方法确定注水以后地层渗透率变化的方法，对大港油田的增储上产具有重要意义。
A set of methods determining change of formation permeability after injection water by testing way have an important benefit for increasing production potential of Dagang oilfield.
在考虑储集层应力敏感影响的情况下，推导出新的产能方程，计算了渗透率变化对单井产能的影响。
Considering effect of stress sensitivity, it derives new productivity equation, and calculates effect of permeability change on single well productivity.
保护油气层的室内评价工作主要是借助于有关仪器，测定入井流体对油气层损害后的渗透率变化情况。
The laboratory evaluation for protection oil-gas formation is conducted mainly with related instruments to monitor the permeability change of the core.
计算表明：考虑天然裂缝渗透率变化的滤失量要远远大于常规双重介质模型得到的滤失量，当净压力较高时，二者可相差10倍之多。
The calculation shows that, fracturing fluid leak-off considered variable permeability are greater than conventional fractured loss model, when net pressure is higher, the two has 10 times difference.
分析了煤层渗透率的复杂变化特点和实际测量上存在的问题，提出其反演方法。
An inversive research method was proposed through analyzing the complicated changing features of permeability of coal seam and the problems existing in actual measurement.
高于阈值温度后，影响岩石渗透率和孔隙度变化的主要机理是早期产生的微裂纹宽度增加。
When temperature is higher than the threshold, the main change of permeability and porosity was resulted from the increment of micro-fissure width.
在阈值温度附近岩石波速、渗透率和孔隙度变化幅度最大；
The wave velocity, permeability and porosity of rocks changed obvious around the threshold temperature.
油藏岩石的渗透率随应力变化的性质为岩石的应力敏感性。
Permeability of rock will change with the stress applied on, which is called the stress sensitivity of reservoir rocks.
根据储层中上覆岩石围压变化，通过室内试验表述了其对渗透率伤害。
Based on the change of stress from upside rock in the reservoir, the damage to permeability is illustrated by the lab experiment.
砂泥岩孔隙度、渗透率的变化存在很大差异。
It is vital difference for the changes of porosity and permeability between sandstone and mudstone.
油水相对渗透率曲线综合反映了互不相溶的油水两相在不同含水饱和度下渗流规律的变化，是油田开发设计中产能预测的基础资料；
The relative permeability curve reflects the flowing law of oil and water under different water saturation, which is the basic data of productivity predicting in the development designing.
并根据大量的实验数据，拟合得到含瓦斯煤的渗透率随围压和孔隙压力变化的经验方程。
The new equations for gas permeability of the coal samples are formulated by the numerical simulations of experimental data.
根据注入不同孔隙体积倍数汪入水时岩样渗透率的变化，评价了注入水的敏感性。
The sensitivity of the injection water is evaluated based on permeability changes of rock samples as water injected with different multiples of pore volume.
基于已有的岩心实验数据，构造了振动采油条件下两相介质相对渗透率的变化率函数。
The experimental data available in literature were employed to build the incremental ratio function for relative permeability of two-phase medium.
实验研究了外加直流电场作用下水驱油藏多孔介质中的流体渗流速度、阻力系数、储层渗透率及原油采收率的变化特性。
The variation of seepage velocity, resistance coefficient, reservoir permeability and oil recovery in porous media of water-drive reservoir in direct current (DC) electric field are studied in detail.
国内外关于注水对地层渗透率影响的研究主要集中在应力变化上，对注水温度效应的研究非常少。
There is more attention on pressure change of water injection to the permeability of layer at home and abroad, but a little research on the temperature influence.
得到了裂缝性低渗透储层岩心水相渗透率随回压的变化曲线。
The relation curves of water phase permeability of reservoir cores and back-pressure were obtained.
提出破舱临界渗透率的概念，明确船舶破舱后进水量速度的变化规律。
Moreover, a concept of critical permeability for ship breakage is put forward.
不同的应力、温度组合条件下，渗透率的变化机制不同。
Under different combinations of the stress and temperature, there are different changing mechanisms of permeability.
示例分析说明，本模型可用于研究应力、应变、孔隙度和渗透率的动态变化规律以及可能对生产造成的影响。
Analyzed by an example, it is shown that the parameters of stress, strain, porosity and permeability change with time and space.
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