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- logging curve digitization 测井曲线数字化
- Please provide a Gamma-Ray logging curve with exact depth. 请给提供一份深度精确的自然伽马测井曲线。
- Well logging curve shape identification is needed in study of logging sedimentology and logging sequence stratigraphy. 为了进行测井沉积学和测井层序地层学的研究,需要对测井曲线形态进行识别。
- Logging curve is used to calculate the difference between formation pressure and measured RFT pressure. 二是在钻关管理中利用小层压力资料调控地层压力剖面,并制定钻关恢复方案;
- Based on Walsh function commonly used in geophysics, an inversion algorithm of the acoustic logging curve is presented. 在地球物理常用的沃尔什函数法基础上,提出了声波测井曲线的沃尔什反演法;
- The compensation value of acoustic moveout calculated by classical parameters is coinciding with the actual data read from logging curve. 根据实际测井曲线读取测井值,用经典参数进行了实例计算,得到了符合实际的声波时差补偿量。
- Aim To analyze the interlayer of the underwater distributary channel using the well log curve. 目的利用测井曲线资料识别水下分流河道砂体中的夹层。
- Combined with log response, it can be identified efficiently by gamma ray logging curve, neutron logging curve and density logging curve. 结合测井响应,可以从自然伽马、中子、密度测井曲线对储层岩性进行有效识别。
- How to use simulated logging curve makes a synthetical contrast of rock and coal seam at complicated stratum and no obvious mark area are introduced. 介绍地层变化复杂,无明显对比标志地区如何利用模拟测井曲线进行岩、煤层综合对比。
- As an example, the acoustic logging curve of the L2-3 well in Linpan Reservoir was inversed and the result is satisfactory. 并对临盘油田L2-3井的声波测井曲线进行了反演,取得了满意的效果。
- Experiments demonstrate that this algorithm has strong error-tolerant capacity for curves digitization and rotation. 实验表明这种方法能降低曲线数字化所带来的影响,对旋转也具有较高的不变性。
- Fractal theory is applied in the provenance analysis, namely, the fractal dimension of natural gamma logging curve is used in the provenance analysis. 摘要将分形理论应用于沉积物源方向的分析,即利用自然伽马测井曲线的分形维数进行物源方向分析。
- Because there exist kalium contained minerals in formation,the accuracy of natural gamma-ray spectrometry logging curve is low. 地层中富钾矿物的存在使得自然伽马能谱测井曲线的精度降低。
- Supersequence boundaries are characterized by truncation, onlap and toplap etc. on the seismic sections and sudden change of lithology and logging curve. 超层序界面在地震剖面上最明显的特征是出现削截、上超和顶超等反射终止现象,岩性、测井曲线也发生剧烈变化。
- The characteristics of well logging curve changing of watered out formation of Fuyang reseivoirs in Xinli oilfield is discussed, and the responses of well logging are analyzed. 重点讨论了新立油田扶杨油层水淹层在测井曲线上的变化特征,从物理机理上对其特征进行了分析。
- Based on anal sis on electric logging curve, it is proposed to identify low-resistivity layer with curve-quantified parameters, such as RAD and RAT, and this method has satisfied effect. 在分析电测曲线形态的基础上,提出了利用饱满系数(RAD)、椭圆度(RAT)等曲线形态量化参数自动识别低阻油层的方法,取得了令人满意的应用效果。
- Elliptic curve digital signature is the elliptic curveanalogue of the digital signature based on multiplicative group's discrete logrithm. 椭圆曲线数字签名是基于乘法群的离散对数数字签名在椭圆曲线上的模拟。
- Actually, Elliptic Curve Digital Signature is a simulation of the digital signature on the elliptic curveunder this cryptosystem. 椭圆曲线数字签名实际上是数字签名在这种密码体制下椭圆曲线上的模拟。
- The arithmetic rationale of ANSI X9.62 Elliptic Curve Digital Signature Algorithm (ECDSA) is presented and its security is discussed preliminary. 阐述了ANSI X9.;62椭圆曲线数字签名算法(ECDSA)基本原理; 对其安全性进行了初步探讨;
- While testing in moderate or low permeabile,the pressure logging curves often reveal sawteeth. 重复式地层测试器(RFT)在中低渗透层进行压力测试时,压力测井曲线往往呈锯齿状。