自然伽马能谱测井

自然伽马能谱测井曲线质量控制方法及应用

Quality Control and Application of Natural Gamma-ray Spectral Logging

基于CPLD的高性能自然伽马能谱测井仪的研制

Development of a high performance natural Gamma-ray spectrometry logging tool based on CPLD

自然伽马能谱测井不仅能测量地层中的总自然伽马含量，还能测量地层的无铀伽马（KTh）含量及铀（U）、钍（Th）、钾（K）含量。

Natural gammaray spectrometry log can not only provide the total gammaray of formation , but also the contents of KTh , U , Th and K.

从自然伽马能谱测井图上可以看到两个明显的突变界面，深度分别为2760m和3180m。

It is seen from the gamma spectrometry log diagram there are two obviously sudden-changing interfaces where the depths are 2760m and 3180m respectively .

成像测井系统的自然伽马能谱测井仪研制

Development of Natural Gamma-ray Spectrometry Logging Tool for Image Logging Unit

盗伐、滥伐林木已被造材其立木材积测算方法应用自然伽马能谱测井确定粘土矿物类型和含量

The Method for Determining the Standing Volume by Illegal & Excessive Logging

卡尔曼滤波方法在自然伽马能谱测井中的应用

The Application of Kalman Filter in the Natural Gamma Spectrum Well Logs

自然伽马能谱测井薄层响应

The then - bed response of natural gamma - ray spectral log

一种校正自然伽马能谱测井中富钾矿物的有效方法

An Effective Method for Correcting Kalium Contained Minerals in Natural Gamma-ray Spectrometry Logging

文章提出了一种用于自然伽马能谱测井仪器的自动稳谱技术。

This paper presents a new automatic spectra-stabilization method for natural gamma ray spectralog .

自然伽马能谱测井是一种新的测井方法。

Natural gamma ray spectral log is a new type of well logging method .

基于自然伽马能谱测井的岩溶型碳酸盐岩储层层位划分与对比

Karst carbonate reservoir division and contrast based on natural gamma ray spectrometry logging in Tahe Oilfield

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。

Because there exist kalium contained minerals in formation , the accuracy of natural gamma-ray spectrometry logging curve is low .

结果表明，应用自然伽马能谱测井评价砂砾岩体地层效果较好。

Application results show that the natural gamma ray spectrometry log is effective to the evaluation of the glutinite body formation .

本文对补偿中子贴壁测井和自然伽马能谱测井的实际问题进行了数值模拟研究。

This paper systematically accomplishes the numerical simulation of dual-spaced wall contact Compensated Neutron Logging and gamma ray energy spectrum logging .

本文通过两个实例阐述自然伽马能谱测井在陕甘宁盆地中部气田的应用：①识别粘土矿物成分；

In the central gas fields in Eerduosi Basin , natural gamma ray spectrometry logging has been successfully used to ① identify clay compositions ;

研制了一种与成像测井高速遥传系统配接的高性能自然伽马能谱测井仪。

A high performance natural gamma-ray spectrometry logging tool is developed , and it is designed for the high-speed telemetry system of image logging unit .

单道闪烁辐射测井仪尝试提出将自然伽马能谱测井仪用于生态环境的研究。

Single scintillation radioactive logger The writer tries to bring creatively up a new way to research the ecosystem environment with natural gamma ray spectrum data .

自然伽马能谱测井可以测量地层总自然伽马、无铀伽马、铀、钍和钾的含量，在砂砾岩油藏中具有重要的应用价值。

Natural gamma ray spectrometry log can provide total gamma-ray value , and KTh , U , and K contents that have important applications in glutenite reservoir .

在大港油田的储集层敏感性预测中，根据实际地质情况，利用自然伽马能谱测井确定黏土矿物的类型及含量，利用统计回归方法来求取其它敏感性参数；

According to the cases in Dagang Oilfield , the natural γ spectroscopy is used to identify the type and content of clays and other parameters are gotten by regression .

对自然伽马能谱测井仪、地面伽马能谱、室内分析、航空伽马能谱测量的同一地点钍、铀、钾元素含量进行对比分析得知，各种方法所得结果具有较好的一致性。

The data of natural gamma ray spectrum logging are of well conformity with the contents of thorium , uranium and potassium obtained by surface gamma ray survey , laboratory analysis and aerial gamma ray spectrum survey .

利用常规和自然伽马能谱测井曲线在高自然伽马砂岩处的响应特征，结合取心剖面、化验分析和薄片分析资料的研究，阐述了高自然伽马砂岩的识别方法。

The identification method for sandstones with higher GR response is presented after integrating response features at sandstone interval with higher GR response from GR and GR spectral curves are used to study by core profile , lab analysis and slice analysis .

通过岩层组合关系、自然伽马及自然伽马能谱测井、岩矿分析和X衍射分析，对工区低伽马泥岩的成因及其层序地层学意义进行了研究。

Through the comprehensive analysis of formation relation , natural gamma ray logging data , gamma ray spectrometric data , petrology and x ray diffraction , the origin and sequence stratigraphic significance of the low gamma shale were studied .

对于自然伽马及自然伽马能谱测井曲线，采用反褶积技术和有效的噪音压制技术；

For the GR log , the deconvolution and the noise compression techniques are adopted .

文中分析认为，井径、井斜、自然伽马（自然伽马能谱）、感应测井、井温测井、核磁共振测井是在气体介质条件下的有效测井系列；

This paper considers after an analysis that caliper logging , gamma-ray logging ( spectral gamma-ray logging ), induction logging , temperature logging and NMR logging belong to effective well logging under the condition of gaseous medium . Lithology may be determined by gammy ray .