声波时差

应用镜质体反射率（Ro）法、声波时差法及磷灰石裂变径迹法等多种方法恢复了中下三叠统的沉积厚度，编制了原型盆地沉积等厚图。

Several methods including vitrinite reflectance ( R_o ), interval transit time and apatite fission track , are used to reconstruct the sedimentary thickness of Middle-Lower Triassic , and to plot the isopach map of the proto - type basin .

如何用测井声波时差曲线计算地层压力

How to use well logging interval transit time curve to compute formation pressure

利用改进的BP算法，采用深、浅侧向电阻率、声波时差测井建立了油层、水淹层的识别模型。

With improved BP network , Adopting deep , short resistivity , and acoustic logging , the model to recognize oil layer and water flooded layer is established .

利用BP神经网络建立测井声波时差和地震属性的非线性映射关系，进行声波时差外推反演。

By means of BP neural network , the nonlinear relation between seismic attributes and interval transit time (Δ t ) was established , and seismic data inversion was carried out .

在试验测定岩心的微钻头可钻性Kd和声波时差△t的基础上，分析了岩石可钻性与声波时差的关系，建立了用声波时差确定岩石可钻性的计算模式。

The paper analyzes the relationship between rock drillability ( Kd ) and sonic interval transit time (△ t ), and creates a computing model of using △ t to determine Kd .

孔隙测井特征参数（包括声波时差比K4、密度比K5、中子相对孔隙度K6）；

Porosity parameters , ratio of acoustic wave time difference K4 , ratio of density K5 , neutron relative porosity K6 ;

利用声波时差，结合自然电位，在储集层段自上而下读取声波时差值（Δt），并以地层深度（H）为横坐标，以对数为纵坐标，作散点图；

The value Δ t of reservoir displayed by SP curves is read from top to bottom ; and the dispersing or distributing points of formation depth ( H ) versus its corresponding value Δ t are plotted with the depth H as abscissa and common logarithm as ordinate .

根据Wylie物理模型原理分析了理想条件下水基泥浆对砂泥岩地层声波时差测井曲线的影响。

The influence of water-base mud invasion to acoustic logging of shaly sandstone stratum is analyzed in the ideal condition with the Wylie physical model .

以南海油田琼东南盆地ST36井的测井资料为依据，对高压地层的声波时差测井响应特征进行深入研究。

This paper studies in depth acoustic log responses to overpressure formation on logging data of well ST36 in the southeast Qiong basin , South China Sea oilfield .

对研究区馆陶组地层用Faust公式由电阻率曲线重构声波时差曲线，其合成地震记录与井旁实际地震道的相位和能量对比关系良好。

The AC curves were rebuilt by Faust equation . The synthetic seismogram from the resulted AC has good agreement with traces in the vicinity of the well in terms of phase and energy .

运用DST和RFT测压、地震层速度和测井声波时差趋势多项式法换算压力数据，作出了超压剖面图及超压顶面等深图等，据此分析了盆地超压及高温环境形成机制。

The superpressure cross section and equal depth ( to the top of superpressure ) map were drawn up through pressure measurement by DST and RFT and pressure calculation by polynomial method according to the seismic interval velocity and acoustic interval transit time logging data .

用插值法提高声波时差的计算精度

To Improve the Accuracy of Calculations for Acoustic Slowness with Interpolation

利用声波时差资料研究断层垂向封闭性的方法

A method for analysing vertical sealing of fault by acoustilog data

利用声波时差资料确定岩石可钻性的研究

Study of determining the rock drillability with sonic interval transit time

利用声波时差检测地层孔隙压力的新方法

New method of formation pore pressure detection by interval transit time

用地震层速度预测井底下部地层声波时差

On Predicting SDT of Formation Bellow Borehole Bottom with Seismic Horizon Velocity

用声波时差厚度加权法采样；

Sampling with the use of acoustic interval transit time weight method ;

利用声波时差资料研究岩石扩散系数的方法

A method for deriving rock diffusion coefficient from acoustic interval transit times

声波时差智能化检测方法的实现

Implementation of an Approach to Intelligent Detection of Sonic Interval Transit Time

应用声波时差研究地层接触关系的实践

The application of acoustic logging in the studying contact relation between strata

中原油田岩石可钻性与声波时差关系研究

A Study on the Relationship between Rock Drillability and Acoustic Travel Time

声波时差测井在岩石可钻性预测中的应用

Application of Acoustic Travel Time Logging in Rock Drillability Prediction

利用声波时差测井信息定性判断断层封闭性

Qualitative judgment of fault sealing by using acoustic logging information

慢度-时间相关法与遗传算法结合提取阵列声波时差

Estimating Slowness of Array Sonic Data with Slowness Time Coherence and Genetic Algorithm

测井声波时差在地层压力预测中的应用

Application of interval transit time to predicting formation pressure

测井声波时差反演重构技术研究及应用

The research and application of inversion and reconstruction of well-log acoustic travel times

声波时差测井资料识别层序地层单元界面的方法、原理及实例

Method , Principle and Example of Identifying Sequence Stratigraphical Boundary Using Sonic Logging

砂岩抗压强度与声波时差关系的实验研究

Experimental study on the relation between compression strength of sandstone and interval transit time

提取纯泥岩段声波时差，进行泥岩欠压实研究。

Through extracting pure mudstone interval transit time , we conduct mudstone undercompaction study .

用相位检测声波时差

Determination of Acoustic Travel Time by Phase Detection