地层渗透率是岩石孔隙特性的综合反映。
The reservoir permeability is a comprehensive function of rock pore properties.
在这一阶段,侵入只和地层渗透率有关。
During this period, invasion depends on formation permeability, among other factors.
孔隙渗透率通常很大,但地层渗透率却不大。
Pore permeability is usually very high, but the reservoir permeability is not very high.
地层原始渗透率越低,地层渗透率降低程度越大;
The higher the salinity and lower the initial formation permeability, the greater the permeability reduction.
孔隙半径、孔隙密度和孔喉比对地层渗透率均产生影响。
Pore radius, pore density and pore -throat ratio influence reservoir permeability to different extents.
井底附近地层渗透率降低比改善对调查半径的影响要大。
If skin factor of formation damage is more, its radius of investigation is less.
井底附近地层渗透率降低程度、范围愈大 ,则调查半径愈小 ;
The radius of investigation depends on the extent and scope of formation damage.
钻井后因应力集中产生的压密效应,使地层渗透率降低,影响油井产量。
Formation permeability is decreased and well production is affected due to compaction effect caused by stress concentration after drilling.
压力恢复法求渗透率是利用RFT测井资料估算地层渗透率的方法之一。
Obtaining formation permeability using pressure build-up method is one of estimating the formation permeability methods according to RFT logging data.
当泥饼层较厚时,用斯通利波幅度衰减估算的地层渗透率及提取的横波时差是错误的结果。
When mud cake is thick, formation permeability and shear wave slowness evaluated from the attenuation of the amplitude of Stoneley wave are wrong.
波的能量产生的液体重力分离,改变了地下相地层渗透率,导致流体迁移外地的水井受到刺激。
The wave energy creates gravity separation of the fluids, altering the phase permeability of subterranean formations and causing the fluid to migrate to Wells in the field being stimulated.
孔隙渗透率是单根孔隙的渗透率,地层渗透率是孔隙渗透率折算到整个地层截面积之上的渗透率。
Pore permeability is the permeability of a single pore of a rock, while reservoir permeability is the equivalent value of pore permeability on the whole cross-section of the rock.
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.
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.
目前,解决上述问题最常用的办法是采用基质酸化解堵,溶蚀近井地带的堵塞物,提高地层渗透率。
Currently, Solve the above problems are most common approach is to use matrix acidizing, Corrosion near wellbore area of blockages, Increased permeability.
只有从频散的斯通利波和弯曲波中提取出相慢度,才有可能进一步求准地层渗透率和横波慢度等参数。
Only when phase slowness is extracted from the Stoneley wave and the flexural wave, can the parameters of formation be obtained exactly, such as permeability and shear slowness.
该方法的正演模拟可以实现井漏动态的预测和计算,反演模拟可以实现地层渗透率和地层压力的求取。
Dynamic prediction and calculation could be established with forward modeling and formation permeability and pressure could be derived with backward modeling.
根据产量递减分析、采气曲线分析以及试井解释可知:储层产能与地层系数和地层渗透率关系十分密切。
Based on production decline analysis, gas productivity curve analysis and well tests analysis, reservoir potential have a close connection with formation parameter and permeability.
再利用最优井网研究油层厚度、地层渗透率、原油粘度、含油饱和度、边底水等地质参数对开采效果的影响规律。
Then the geological parameters such as reservoir thickness, formation permeability, oil viscosity, oil saturation, edge water and bottom water are researched by using the optimal well pattern.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
In this paper, developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
流动然后停止,而且如果地层有足够的渗透率,地层将会流动,以平衡测试器和地层体积。
Flow is then stopped, and if the formation has sufficient permeability, the formation will flow to equilibrate the tester with the bulk of the formation.
可以采用非线性参数估计的方法反演地层的渗透率;
Nonlinear parameter estimation approach can also be used to converse the formation permeability.
主要评价因素包括表皮系数、油层渗透率、油层厚度和目前地层压力。
Major evaluation elements include skin factor, reservoir permeability, thickness, and current formation pressure.
准噶尔盆地白垩系油气藏具有孔隙度、渗透率高,地层水矿化度、压力系数和电阻率低等低电阻率油气藏的基本特征。
The Cretaceous low resistivity reservoir in Junggar basin is characterized by high porosity, high permeability, low salinity of formation water, low formation pressure and low resistivity.
同时这两各方面相互作用致使地层有效渗透率降低。
Meanwhile, the two aspects interact with each other, which make the effective permeability decreases.
间歇自喷由缓慢、稳定排油地层的低地层压力和低渗透率所致。
Intermittent flow is caused by low reservoir pressure and permeability in slowly but steadily draining formation.
间歇自喷由缓慢、稳定排油地层的低地层压力和低渗透率所致。
Intermittent flow is caused by low reservoir pressure and permeability in slowly but steadily draining formation.
应用推荐