Finally, gas-bearing tight sandstone can be effectively identified by inversion of the reasonable log curve reconstruction. 最后,合理进行含气特征曲线重构反演,有效地识别了含气砂岩储层。
A Multi-Criterion Geological Stratification Method Based on Conventional Log Curve Spectrum Analysis 基于常规测井曲线频谱分析的多尺度地质分层【地质】复层,叠层
Log curve, which reflects electrical property about stratum, is one of the important and basic data in petroleum exploration and development. 测井曲线反映了地下地层的电性特征,是石油勘探开发重要的也是最基本的基础资料之一。
Design and implementation of automatic recognition processing system of log curve 测井曲线自动识别处理系统的设计与实现
Its character log curve differs greatly from that of normal formation containing petroleum, gas and water. 在测井曲线特性方面,含气致密储层不同于常规的油气、水层。
Responsible for log curve splicing, editing, depth shifting, normalization and log curve process, such as environment correction. 测井曲线负责剪接,编辑,深度转移,正常化和测井曲线的过程中,如环境校正。
Enhancing the Reliability of log curve correlation between wells by using optimal pursue 用寻优追踪法提高测井曲线井间对比可靠性
According to its thickness and log curve shapes, we have analyzed the distribution of single sand layer's sedimentary microfacies and its properties 'distribution rule on the plane. 结合单砂层厚度及测井曲线样式,分析单砂层沉积微相展布特征;结合单砂层沉积微相,分析其物性平面变化规律;
This paper considers the formation causes of calcareous interbeds, shale resistivity differences and the relation of reservoir resistivity to altitude, on the basis of log curve morphological characteristics, core observation, founding slice, X-diffraction and scanning electron microscopy. 通过测井曲线形态特征、岩心观察、铸体薄片、X衍射、扫描电镜分析、FMI测井资料,对工区内钙质夹层成因、泥岩电阻率差异、储层电阻率和海拔深度关系进行了研究。
Improving the Resolution of the Structural Thinner Coal in Log Curve through Wavelet Analysis 用小波分析提高测井曲线中构造煤薄层的分辨率
The log curve calibration, oil/ gas prediction and oil gas water detection were made by using these velocity data and induced information, a new method was offered for oil exploration. 找出了影响速度的因素及其在不同因素下纵、横波速变化的规律性,并将速度资料及由此导出的信息用于测井曲线校验、油气的预测及油气水检测。
The identification marking of three terrigenous sequences in the upper member of Eh of Biyang fault depression is distinct not only on seismic profile and electric log curve, but also in lithologic geochemical features. 泌阳断陷双河&赵凹地区下第三系核三上段所划三个陆相层序不仅在地震剖面、电测曲线上有显著的识别标志,而且它们在岩石地球化学特征上,亦有明显反映。
Proposes a comparison method based on string match, it symbols the log curve by segregating the geology occurrence, and calculates the longest common sequence by dynamic programming, and applies the string similarity searching in curve Comparison. 提出了一种基于字符串的曲线对比方法,通过对地质事件的识别来符号化测井曲线,采用动态规划方法计算二个序列的最长公共子序列,将字符序列的相似性计算用于曲线对比中;
Having analysed the factors which causes the sonic log error, I proposed new methods for removing the influences of erosion and energy attenuation on sonic log curve. The corrections of the sonic log curves taken from more than 80 boreholes all brought good results. 本文通过对造成声波时差误差的特点分析,提出了一套直接对声波曲线进行侵蚀影响、能量衰减影响校正的新方法,经过对80余口井的声波曲线校正,均取得了良好的校正效果。
Quantitative Discrimination of Fractures Based on Log Curve Unit 基于测井曲线元的裂缝定量识别
Normalization improvement on log curve by three-porosity crossplot approach 对三孔隙度交会图法进行测井曲线标准化的改进
High Resolution Analysis for Log Curve and Interpretation of Thin Bed 测井曲线高分辨率处理及薄层解释
The log curve data are the main and most important data in logging procedure. 测井曲线是测井过程中得到的主要结果同时也是最重要的结果,它具有数据量大,存取频繁的特点。
Principle of Turbine Flowmeter and Its Application in Interpretation of Log Curve 涡轮流量计的原理、应用及其测井曲线的解释
Based on the core analysis assay data and correlation log curve normalization, the stratum permeability was calculated point by point by use of ameliorated windowing technique and by dint of feedback neural net method. 本文在岩心分析化验数据和相关测井曲线数据归一化的基础上,利用改进的开窗技术,借助反馈的神经网络方法逐点计算地层的渗透率。
In this paper, incorporated with the characteristics such as higher density and deeper invasive depth into the formation by solid free formate drilling fluid, influence caused by this fluid on caliper logging curve, density logging curve and resistivity log curve were investigated. 结合甲酸盐无固相钻井液密度大及侵入地层较深等特点,分析了该钻井液对井径测井曲线、密度测井曲线以及电阻率测井曲线的影响。
This article discussed log curve response characteristics of various rock types in Changtu depression based on its identification materials under rock core lens, established lithology interpretation models and confirmed the calculation methods for reservoir physical property parameter according to rock core laboratory tested analysis materials. 以昌图凹陷岩心镜下鉴定资料为基础,讨论了昌图凹陷各种岩石类型测井曲线的响应特征,根据岩心室内分析资料,建立岩性解释模型,确定储层物性参数计算方法;
A new method is proposed for recognition of log facies by applying Walsh transform in which the log curve is pretreated by using the Walsh inversion to improve its vertical resolution and obtain the real log curve to indicate the real status in the well. 针对测井曲线的短期平稳性,将沃尔什变换应用于测井相识别.利用沃尔什反演对测井曲线预处理,提高纵向分辨率并获得反映井下状态的真实曲线。
The precision of the gray prediction method is accurate, because the limitation of log curve method application the precision is lower than others. 灰色预测法精度较高;对数曲线法应用有局限,精度较低。
The log log curve of shut in draw down data in injection/ draw down well testing of coal bed gas wells often appears shape deformation. 煤层气井注入/压降试井关井压降数据的双对数曲线形态常会出现变异。
Used seismic attribute analysis technology, optimized and selected sensitive seismic attribute to log curve of coal seam, and predicted the log properties of coal seam by applying neural networks technology. 使用地震属性分析技术,优选对煤层测井响应敏感的地震属性,应用神经网络从地震属性中预测测井响应。
Based on drilling, log curve and geological data analysis, dominated by seismic horizon interpretation and combined with inversion section, 2-D geological seismic model reflecting vertical multiphasic overlap and horizontal lithological alternation of different kinds of fans was made. 以钻、测井资料和地质资料为基础,以地震层位解释作控制,结合反演剖面,建立了反映不同类型扇体纵向多期次叠合,横向岩性变化的二维地质地震模型。
Secondly, extract the well log curve amplitude and make an statistical analysis on it. 然后提取土样对应的测井曲线幅值,对其进行统计分析。
Digitizing well log graph is favorable for storing, managing, analyzing, sharing and network transmitting well log information. Therefore vectorizing log curve becomes one of the key tasks for each oil field. 测井图纸的数字化将有利于数据的存储、管理、分析、共享和网络传输,因此测井曲线的矢量化就成为各油田的核心工作之一。
Using a single log curve to evaluate strata leads to multi-solution and limitation. 采用单条测井曲线进行地层评价存在着多解性和局限性。