始新统砂层的漏斗形自然电位曲线形态很明显。
The funnel-shaped self-potential curve of the Eocene sands is well marked.
建立了自然电位和激发极化电位测井响应模型。
A model of logging response of spontaneous potential and induced polarization potential is established.
从自然电位测井原理出发建立压力解释数学模型；
The pressure interpretation mathematical model is established based on the theory of spontaneous potential logging;
结果表明，水淹层的自然电位测井响应出现了异常。
Experimental results indicate that the response of spontaneous potential logs in watered-out zone is different from that in the zone not watered-out.
测井中自然电位参数对氧化和还原环境的反映比较明显。
In well logging, the natural potential parameters has obvious reaction to oxidize and reducing environment.
测井中自然电位参数对氧化和还原环境的反映比较明显。
In well logging data the natural potential parameters have obvious reaction to oxidize and reducing environment.
钻杆测井测量自然电位、短电位电阻率和长电位电阻率。
The drill pipe log records spontaneous potential and short and log resistivity measurements.
为此，大庆油区进行了钢套管井井内自然电位测井现场试验。
So field experiments of borehole SP logging in the steel cased Wells are made in Daqing petroliferous area.
随着向上去粒度减小，自然电位曲线的偏斜也减弱而形成钟状。
With upward decreasing grain size the deflection of the self-potential curve also decreases to form a bell-shape.
自然电位基线偏移，微电极幅度差和声波时差增大，电阻率降低；
The base line of spontaneous potential is uplifted, the differences of microelectrode and acoustic travel time increased, resistivity decreased.
证明了地层水浓度、阳离子交换量是影响自然电位大小的主要因素。
It noted that the concentration of formation water and the cation exchange capacity are the main factors that influence the spontaneous potential.
声波时差、自然电位和感应电阻率对储油层的渗流性能有较好的相关性。
Acoustic time, spontaneous potential and induction resistivity have a good correlation on the flowing property of the reservoir.
针对非均质地层中电阻率非分块常数，提出一个新的自然电位测井模型。
A new spontaneous potential log model for the case when formation resistivity is not piece - wise constant was introduced.
得到了自然电位测井正问题是一个在交界面上有跳跃的椭圆边界值问题。
We get that the direct problem of spontaneous potential well-logging is an elliptical boundary value problem with jumping condition on the interface.
自然电位测井是油层水淹后能够有效识别地层混合液电阻率信息的测井方法。
SP logging is one of logging methods which can effectively distinguish resistivity of mixed liquid in formation after oil layer being water flooding.
鱼卡煤田地层物性条件较好，区内干扰较小，自然电位曲线异常反映比较明显。
Strata physical nature is good for geophysical prospecting in lqe coalfield, there are less interference in the area, while the spontaneous potential curve anomalies are clearly reflected.
本文通过对自然电位在油气勘探中应用实例的分析，肯定了自然电位法的实际效果。
The actual effect of SP method is affirmed from the example of application in petroleum exploration.
本文根据钢筋混凝土结构中钢筋的锈蚀机理，介绍了钢筋锈蚀自然电位值的检测方法；
This paper introduces the method of natural potential measurement of steel bar based on the mechanism of steel bar corrosion in concrete structure.
测量结果表明，在图域内自然电位异常呈现椭圆形分布，随注水流量增大异常值增大。
These spontaneous potential (sp) anomalies show elliptical distribution in the map view. The values of the anomalies increase with the water flow.
这种高产气层具有特征的电性反应，表现为自然伽马值低、自然电位显著负异常、电阻率高；
The log response of the gas reservoir is characterised by low gamma ray, self-potential reduction and high resistivity.
结果表明，钢套管内确有稳定的自然电位异常显示，且异常层位与水淹层有较好的对应关系。
The results show that stable abnormal natural potential appeared in the steel casing indeed, and good corresponding rela…
此适用于多种测井曲线，如侧向测井、感应测井、中子测井、密度测井和自然电位测井等曲线。
This method is applicable to various log curves, such as laterolog, induction electrolog, neutron log, density log and self potential log curves.
为解决这一问题，提出了一种利用自然电位(SP)曲线直接求水淹层内地层水电阻率的方法。
Therefore, a method, which determines the resistivity of formation water in flooded layers with SP log, is given in this paper.
自然电位与地层流体的矿化度有密切关系，侵入带中泥浆滤液的矿化度对自然电位测井有较大的影响。
Spontaneous potential (SP) of a formation has tight relationship with salinity of formation liquid, the salinity of mud filtrate in invaded zone affects SP log considerably.
将这种方法用于自然电位(SP)曲线的计算，能够部分地消除围岩影响，提高地质参数的数据精度。
By applying this method to SP curve computing, the shoulder-bed effect could be, to some extent, removed so that the data accuracy of geologic parameter is enhanced as a matter of course.
根据张庚骥先生的向量势理论，自然电位不是由偶极层产生，而是由旋度源产生，旋度源在偶极层的边缘。
According to Mr Zhang's vector potential theory, SP doesn't generated or originated from dipole layers but curl sources in the borders of dipole layers.
利用自行研制的岩心自然电位室内测量装置，对松辽盆地北部深层火成岩储层的岩心进行系统的实验研究。
Proprietary lab equipment for core SP measurement is used on cores from deep igneous rock reservoir of northern Songliao basin.
利用自行研制的岩心自然电位室内测量装置，对松辽盆地北部深层火成岩储层的岩心进行系统的实验研究。
Proprietary lab equipment for core SP measurement is used on cores from deep igneous rock reservoir of northern Songliao basin.
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