A Method for Thin Layers Cement Bond Evaluation with CBL / VDL Data

用 CBL/VDL资料评价薄层水泥胶结

Description Language VDL for Computer Viruses

计算机病毒描述语言 VDL

Analysing cement density how to influence evaluate cementing quality with CBL / VDL .

通过 波形 对比分析了水泥密度对 CBL/VDL评价固井质量的影响。

The relation between strength of casing wave and the bonding quality of first and second boundary is discussed from theoretical aspects in the article . The VDL data is processed we find that measuring values can be interpreted with theoretical results .

文章首先从理论方面讨论了套管波的强度与第一 界面胶结 程度的关系， 地层波强度与一 界面及二界面 胶结 程度的关系。

Thirdly VDL improves performance for small writes as compared to existing system in office / engineering-workload environment because it optimizes small write request in device driver module .

在驱动模块内部对数据的 小写进行了优化，较大的提高了办公/工程环境下工作负载的小写性能；

Establish a extraction method for Catharanthus roseus in industry to obtain VLB Catharanthine ( CTR ) and Vindoline ( VDL ) . The extraction method use four times 80 % ethanol-water ( v / v ) and extraction three times . 2 .

建立了一个适合工业生产的长春花提取方法，在提取 同时得到长春碱，长春质碱和文 多林。较佳提取提取工艺为四倍80%乙醇提取，提取三次。

The VHDL Design Library ( VDL ) is the repository of VIDF . The article also describes a method for the implementation of VDL .

VIDF是存放在VHDL设计库（ VDL）中的，本文也介绍了VDL的一种实现方法。

In the past three-combination VDL ( variable density log ) signals provided by the computerized surface logging tool ( e. g. DF-I ) were gathered and processed with the variable density card or module working together with the high speed A / D card .

以往常规的地面数控 测井系统在采集、处理三组合变密度信号时，都利用变密度卡或者变密度模块，配合高速A/D卡进行处理。

The peak systolic flow velocity v s peak diastolic early period flow velocity v dR and peak diastolic late period flow velocity v dL in the five points of tricuspid annulus were recorded and the values of v dR / v dL in the five points were calculated .

常规测量三尖瓣环上述五个位点的收缩期峰值速度vs，舒张早期峰值速度vdR，舒张晚期峰值速度 vdL，计算各点的 vdR/vdL值。

This paper compares the CBL / VDL cement bond logging unit of various frequency used in Daqing Oil Field with the result of cement job quality and Discusses the effect of the unit on the evaluation result .

通过比较大庆油田现用的不同频率的CBL／ VDL 型水泥胶结测井仪测量结果及固井质量结果，讨论了声波频率对这种仪器评价结果的影响。

Track to Zero distance The Long Spacing VDL

零距离追踪长源距 变 密度 测井

When we use VDL data to evaluate cement bond quality the microannulus between casing and cement sheath show similar feature as channels i.e. pipe wave presents moderate amplitudes .

声 幅及 变 密度 测井检测油、水固井质量中，套管-水泥界面微间隙与窜槽 两种胶结 状态在 测井资料上表现出相似的特征，即套管波具有中等幅度。

Development and Application of Electric Precipitator with Large Pole Spacing and High Voltage The Long Spacing VDL

大 极距、高电压电除尘器的研制与应用

To solve these problems this paper designs a vulnerability description language ( VDL ) .

为了解决这些问题，文章设计了一种 安全脆弱点描述语言。

An Analysis on the Causes of Affecting the Accuracy of CBL / VDL Logging in the Detection of Cementing Quality

分区水泥 胶结 测井仪固井质量检测中影响 CBL/VDL测井精度原因分析

The third part is based on the principle of GMSK modulation and demodulation which achieves the VDL information transmission with the method of non-coherent demodulation during the demodulating process .

第三部分是GMSK调制解调原理，对 VDL中信息传输方式进行实现，在解调过程中采用非相干解调方式。

A CBL / VDL Technique for Computerized Logging System

国产数控测井系统 配 接 CBL/VDL技术

Effect of low density Cementing on evaluating Cementing Quality with CBL / VDL

低密度水泥对 CBL/VDL评价固井质量影响

The result indicated that the algorithm is correct and can fulfill the requirement of air traffic control .

并用一/二次 雷达数据、 ADS、 VDL数据进行了仿真检验，结果表明：该算法的正确性且可 满足空中交通使用。

Analysis on the effect of acoustic frequency on the evaluation result of cbl / vdl cement bond logging unit

声波频率对 CBL/VDL 型水泥胶结测井仪评价结果影响的分析