However, it is found that porosity difference between NMR and conventional porosity logging is unacceptable in some oilfields in China.
但是，在我国部分油田的应用中发现核磁测井孔隙度与常规孔隙度之间存在明显差异。
The low density drilling fluid has borehole excavation effect on compensated neutron porosity logging, and by this way apparent porosity is lower than the true value.
低密度井眼流体会对补偿中子孔隙度测井产生井眼挖掘效应，使视孔隙度值低于真孔隙度，且井眼流体密度越小，井眼尺寸越大，地层孔隙度越大，井眼挖掘效应越明显。
Rational interpretation of well track position in reservoir, changes of resistivity logging response and of porosity logging response are made by using XXX horizontal well as examples.
以XXX水平井为例，对井眼轨迹在储层中的位置，以及电阻率测井响应和孔隙度测井响应的变化做出了合理的解释。
With the further exploration of Tuha basin, one difficult problem is logging interpretation and reservoir evaluation for low porosity and low permeability reservoir.
随着吐哈盆地勘探的进一步深入，低孔、低渗储层是测井解释和储层评价的一个难题。
The horizontal prediction of thickness and porosity of a sand member in a region was made by applying multivariate statistical method to seismic attribute, drilling and logging data.
本文应用多元统计方法，利用地震属性并辅以钻井、测井资料对某地区某层段砂岩的厚度和孔隙率进行了横向预测。
Interal relationship exists between porosity and seismic-wave velocity, and inter-well porosity inversion with seismic and logging data is one of the key elements of reservoir prediction.
岩石孔隙度和地震波速度之间存在着内在联系，利用地震和测井数据反演井间孔隙度值是储层预测的主要内容之一。
The relation between carbonate rock logging information and core analysis porosity is studied by neural net technique to forecast reservoir porosity in this paper.
本文引入神经网络技术，用以研究碳酸盐岩测井信息与岩心分析孔隙度的关系，并由此预测储层孔隙度。
The actual application of these models to some gas reservoirs with low porosity and permeability has proved their reliability and satisfaction in logging interpretation.
通过所建模型在某气田低孔隙度低渗透率储层测井解释中的实际应用，取得了满意的效果。
NMR Logging can provide accurate values of irreducible liquid, movable liquid, effective porosity and permeability, and also identify the tight zone, water zone and gas-bearing zone.
核磁共振测井可以准确地提供地层的自由流体体积和束缚流体体积、有效孔隙度及其渗透率，能较好地判断干层、水层及气层。
Geochemical pyrolysis-FID Logging can measure the total hydrocarbon contents, estimate oil density, and calculate oil saturation when combine with reservoir porosity and rock density.
热解地化录井可以检测储集层含油气总量，推算原油密度值，结合储集层孔隙度值和储层岩石密度，经过换算可得出含油饱和度。
An application experimental study of NMR logging in Tahe ultra-low porosity and low permeability reservoirs in Xinjiang is conducted.
在新疆塔河特低孔低渗油气藏进行了核磁共振测井应用实验研究。
It indicates that core experiments of petrophysical parameters for low porosity and permeability reservoir are important in establishing logging interpretation models and formation evaluation.
表明开展低孔隙度低渗透率储层的岩石物理实验，对于建立测井解释模型，进而评价该类储层，具有重要的研究价值。
Also when interpreting temperature logging, we must consider the effects of porosity, saturation and adjacent rock lithology on temperature profile.
另外在进行井温测井解释时，一定要注意孔隙度、饱和度以及围岩岩性对温度剖面的影响。
Conventional logging interpretation and evaluation of carbonate reservoirs is difficult and inaccurate due to the low porosity, strong anisotropy and heterogeneity.
碳酸盐岩储层具有的低孔、各向异性和非均质性强的特点，常使得常规测井解释评价变得困难和不确定。
The porosity and permeability of matrix, and the width, density and direction parameters of fractures were obtained by core analysis, well logging, seism and thin section observation methods.
利用岩心分析、测井、地震、薄片分析等静态描述手段测试并计算了基质的孔隙度和渗透率，得到裂缝的宽度、密度和方位等参数。
Based on the core and logging data, this paper analyses and evaluates density of seams, opening degree, porosity, permeability and seam spacing in the Tazhong area.
本文结合岩心、测井等资料，对塔中裂缝的密度、开启程度、孔隙度、渗透率、连通性与裂缝间距等参数进行了分析与评价。
The method include as fellows:(1) In Early diagenesis stage, the porosity and lithology well logging data are applied to analysis compression curve, and to determine the compression area.
方法为：（1 ）成岩作用早期：应用孔隙度测井和岩性测井资料，通过压实曲线分析压实作用区间；
Low porosity and high heterogeneity in carbonate reservoir make the conventional logging method invalid which USES the resistivity to identify fluid property.
碳酸盐岩储层由于其孔隙度低、非均质性强等原因，使得以电阻率高低来识别储层流体性质的常规方法失效。
As a whole the PNN logging method is preferable the low salinity and porosity to the other ways to determine the remaining oil saturation.
PNN测井方法在低地层水矿化度、低孔隙度地层比其他方法具有优势。
Nuclear magnetic logging is a high technology and only by which the free fluid porosity of an oil-bearing bed can be measured directly.
核磁测井是当代唯一能够直接测量油层自由流体孔隙度的高技术。
The regression analysis shows that the velocities are liner relationship related to porosity and clay content. Using such regression formula to sonic logging data indic…
利用回归分析得出纵、横波速度与孔隙度、泥质含量线性相关。
Analysis of the contrast shows that NMR is an effective method of matrix porosity and irreducible water evaluation. The effect of fracture will be revealed by integrating conventional well logging...
对比分析表明，NMR是基质孔隙度和束缚水评价的有效方法，常规测井与NMR的综合可以反映裂缝的影响。
Analysis of the contrast shows that NMR is an effective method of matrix porosity and irreducible water evaluation. The effect of fracture will be revealed by integrating conventional well logging...
对比分析表明，NMR是基质孔隙度和束缚水评价的有效方法，常规测井与NMR的综合可以反映裂缝的影响。
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