气层

夏季大空间热空气层对火灾烟流的影响

Smoke movement under a hot air layer in large space fires in summer

热空气层消失的时间随火源功率的增加而减少；

The time it takes before the hot air layer disappears decreases with the increase of the heat release rate .

基于Matlab的自组织神经网络在油气层识别中的应用研究

Oil & Gas Formation Identification Based on Self-Organization Neural Network of Matlab

BP神经网络识别塔北低阻油气层

The Dragon Tower the application of BP neural network to recognition of the Tabei low resistivity oil and gas layers

将该遗传算法与人工神经网络（ANN：Artificialneuralnetwork）技术相结合，应用于油气层的识别问题中。

The proposed method is named as Fitness-Distance Selection Mechanism Based GA and which is integrated with ANN ( Artificial Neural Network ) for the identification of oil gas layer .

根据实验关系利用BP神经网络可预测气层CO含量，实际处理结果与测试资料相比具有较高精度。

Using BP neural network the proportion of CO2 is predicted The predicted proportion can be compared with well test results very well .

中国东部地区油气层的AVO检测标志

Detection of indications for reservoir by avo , eastern part of China

探测井下气层的VSP法方案

A suggestion of detecting gas layer by VSP method

AVO技术在寻找薄气层中的应用

Application of AVO technology to thin gas reservoir exploration

发展了Miles定理和Howard半圆定理；得到了有限深度气层的半椭圆定理。

Improved Miles theorem and Howard 's semicircle theorem , as well as semi ellipse theorem have been established .

VSP测井仪采用先进的光纤传感技术进行油气层测试。

VSP jogging tool adopts advanced fiber optics sensor to test the oil-gas reservoir .

一种新的钻井中油气层快速检测技术OSA和PK矿场应用介绍

A new method of rapid detection technology for oil and gas bearing strata during drilling process an introduction to OSA and p k instrument field applications

电阻率曲线上，R（tcp）＞150Ω·m为含气层或干层，反之则为气层或水层；

If R_ ( tcp ) is > 150 Ω· m in resistivity curve , the stratum is dry ; Conversely , it is gas bearing or water bearing ;

扩散控制反应阶段：Si蒸汽经过N2气层扩散到Si3N4晶种表面与N2反应，反应受扩散控制，速度较慢。

Diffusion-controlled reaction stage : Si vapor diffuses through a layer of N_2 to the surfaces ofSi_3N_4 and reacts with N_2 , the reaction is diffusion-controlled and slows down obviously .

基于地理信息系统GIS的油气层灰色综合评价是利用地理信息系统管理和分析油气层评价数据，将灰色综合评价方法与地理信息系统GIS集成对油气水进行识别；

GIS-based grey comprehensive evaluation on oil-gas reservoir is that oil-gas evaluation data are managed and analyzed by GIS . By means of integrating grey comprehensive evaluation method with GIS , oil-gas reservoir is identified .

Algeria某油田低电阻率油气层的机理分析及测井解释

On Mechanism and Log Interpretation Method of Oil / Gas Reservoir with Low Resistivity in × Oilfield in Algeria

SU气田砂岩低电阻率气层形成原因复杂，气水层识别也非常困难。

Since the geneses of low resistivity gas zone with sandstones are complex in SU gas field , it is difficult to indentify the gas zone and water zone .

利用独立的失效概率为q的Bernoulli试验序列、概率公式和递增凸函数的性质推导出了钻井油气层测试器的可靠度的近似计算公式。

The approximation calculus formula of reliable on FCT was calculated by using abate probability being q Bernoulli test sequence , probability formula and property of increasing convex function .

PND测井识别气层在塔河油田的应用

Application of Gas Zone Recognition with Pulsed Neutron Decay ( PND ) Logging in Tahe Oilfield

发现该构造油源充足，有多套含油气地层。Es1、Es2段油气层具有从北向南呈叠瓦式向上倾方向尖灭的特点。

This anticline was found to have rich oil resource , there being multiple rich hydrocarbon strata , of which Es_1 and Es_2 members are characterized by southward imbricate updip thinning out .

Baskin和Huang等[2]的研究结果表明，根据不同的碳数分布范围可以直接划分出油层、气层和水层。

Researches by Baskin and Huang show oil , gas and water intervals may be directly zoned in accordance with different carbon distributions .

在评价气层时，用K值划分产能级别，用KH值预测产能。

Finally , in evaluation of gas reservoir , the K is used to grade the gas reservoir as its criterion , and the KH to predict potential productivity of the reservoir .

针对川西浅气层温度低的特点，选择性能优良的低温活化剂与过硫酸盐的组合，使压裂液在低温下4～6h彻底破胶返排。

According to the features of shallow gas layer with low temperature in west of Sichuan , the combination of performance fine activator with low temperature and persulfate is selected .

应用结果表明，核磁共振双TW观测方式及其分析方法是行之有效的，可作为直接发现油气层的一种有效方法。

Application shows that NMR dual-TW observation method and the analytical method are feasible and can be used to effectively and directly detect oil and gas .

可以用合成CDP道集（亦可称之为AVO正演模型）作为依据，使振幅补偿更为合理。此外，还可根据AVO正演模型确定气层的AVO异常类型，为AVO解释提供依据。

A synthetic CDP gather or AVO forward modeling can be used to make amplitude recovery more reasonable and to identify AVO attribute type for gas reservoir that are useful in AVO interpretation .

结果表明，在华北地区黄土高原天然条件下，包气层中氚示踪剂以0.03cm/d速度迁移，纵向扩散系数Dx为0.52cm2/d；

The results show that the migration velocity of 3H tracer in aerated zone is 0.03 cm / d on natural condition in loess plateau of Huabei Region , the vertical diffusivity D x is 0.52 cm 2 / d ;

泥浆柱压差应小于10MPa，以使泥浆侵入深度控制在较小范围内，减小油气层损害。

Mud column . pressure difference be lower than 10 MPa to allow mud density invasion depth and its damage on formation under control .

详细叙述了CHFR测井在中国部分油田的应用，这些应用包括识别死油气层、定性评价油层水淹情况及定量计算剩余油饱和度等方面。

Applications in some oilfields in China are described in detail , which include identification of " dead oil zone ", qualitative evaluation of flooded reservoirs and quantitative computation of residual oil saturation .

通过成藏组合分析，在Jabung区块西部发现新含油气层系，增加了新的目的层系和勘探潜力。（3）以油气系统为基础的区带及圈闭评价理论；

Petroleum play analysis made new hydrocarbon-bearing formation discovered in the west part of the Jabung Block . play assessment theory based on petroleum system ;

对实际地震资料进行P-G交会图分析进一步证实，根据P-G交会直线的特征可预测泊松比异常地层，即含油气层。

By analyzing P-G crossplot of real seismic data , we approve that Poisson 's ratio anomaly layers i.e.oil and gas bearing layers can be predicted according to the characteristics of the P-G cross line .