It can provide perfect formation water resisitivity in argillaceous sand- stone by using SP(spontaneous potential)data.
地层水电阻率是测井解释中一个极其重要的参数,以纯地层条件推导的用于确定地层水电阻率的自然电位理论模型不适合泥质砂岩地层。
On the basis of the theory of sequence stratigraphy,identifying sequence stratigraphy boundaries using well logging of SP(spontaneous potential),AC(acoustic time),RA(apparent resistivity),electric conductivity were comprehensively analyzed.
以层序地层学理论为基础,应用自然电位、电阻率、声波时差和感应电导率等测井资料,采用自然电位和自然电位镜像法、自然电位与视电阻率曲线组合法、声波时差法、声波时差与电阻率曲线交汇法和感应电导率法等5种方法进行层序界面识别。
Two-dimensional forward of spontaneous potential in interlayer oxidation zone sandstone type uranium deposits
层间氧化带型砂岩铀矿自然电位二维正演计算
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.
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。
The traditional model used to describe the distribution of natural electric field in open hole is interfacial potential that shows spontaneous potential distributes on the interface between formation and mud.
传统的界面电位模型认为裸眼井中自然电位分布在地层与泥浆的接触面上,这种模型不完善。
The text building up the return equation with natural potential data of well tests and analyses coal sulphur content in labo- ratories,expanses the application that the natural potential data of the well tests in actual work.
文中将自然电位测井数据和实验室分析原煤全硫含量进行回归,建立回归方程,进而推广自然电位测井资料在实际工作中的应用。
According to the relation of natural potential logging data and reservoir water salinity,based on the layer thickness emendation,slime emendation,temperature emendation and oil & gas effect emendation of natural potential,formation water electrical resistivity can be confirmed accurately.
根据自然电位测井数据与地层水矿化度之间的关系,在自然电位层厚校正、泥质校正、温度校正及油气影响校正基础上,可较为精确地确定地层水电阻率。
Variation of natural potentials, cathodic polarization curves and variation of stable current density with time for carbon steels in flowing fresh water with different velocities and in three different surface states are tested.
在淡水中 ,对处于不同流速、3种表面状态的普通碳素钢进行了自然电位变化、阴极极化曲线和稳定电流密度随时间变化等试验 。
Reason Analysis for SP Curve Abnormality;
自然电位曲线异常原因分析
Simulated Experiment and Study SP Logging;
自然电位测井模拟实验及其研究
EFFECT AND INFLUENTIAL FACTORS SP FOR OIL;
自然电位法寻找油气藏效果及影响因素
Theory-based of electric double layer and electrokinetic,this paper states the main factors causing electrokinetic phenomenon are abnormal pressure and salinity decrease and multiphase flow in oil field development,and investigates the positive and negative changes of self-potential which is the expression of the streaming potential,and hig.
本文依据多孔介质中的双电层模型及动电理论,对油气田开发过程中的动电现象进行研究,提出陆相非均质复杂构造油气藏开发过程中压力异常、地层水淡化及多相流动是动电现象产生的主要原因,流动电流的形成不仅使老区新钻井的自然电位曲线发生畸变,表现为平直及正异常现象,还导致水淹层的电阻率升高,严重干扰已动用层的评价工作。
Combiningthis method with phase state hydrocarbon method and self-potential method, the authorsobtained satisfactory results over some known oil and gas fields.
并将它和相态烃法、自然电位法相配合，在已知油气田开展了试验，取得令人十分满意的效果。
It is necessary to buck out any selfpotential existing across the potential electrodes.
必须补偿掉测量电极间存在的自然电位。
THE EFFECTS OF ELECTROCHEMICAL CHLORIDE EXTRACTION ON THE SPONTANEOUS POTENTIAL OF REINFORCEMENT IN REINFORCED CONCRETE
电化学除氯对钢筋混凝土钢筋自然电位的影响
The actual effect of SP method is affirmed from the example of application in petroleum exploration.
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 funnel-shaped self-potential curve of the Eocene sands is well marked.
始新统砂层的漏斗形自然电位曲线形态很明显。
This type of sand body is characterized by a cylinderical self-potential curve.
这种砂体以呈圆筒状自然电位曲线为其特征。
Two-dimensional forward of spontaneous potential in interlayer oxidation zone sandstone type uranium deposits
层间氧化带型砂岩铀矿自然电位二维正演计算
A General Class of Semiparametric Rates Models for Recurrent Event Data
自然电位测井数学模型的一类求解方法
Determination Method of Waxman-Smits Model Parameters with SP and NMR Log Data
利用自然电位和NMR确定Waxman-Smits模型参数的方法
Approximate Solution of the Spontaneous Potential Well-logging Equation for Asymmetric Rock Layers Structure
非对称情形下自然电位测井方程的近似解
High-efficient numeric simulation of spontaneous potential log in complex beds.
复杂地层中自然电位测井的高效数值模拟
Application of spontaneous potential logging in recognition of blind zone
自然电位测井技术在隐蔽油气层识别中的应用
The spontaneous potential is closely related to salinity in formation and mud filtrate.
自然电位的形成与地层水矿化度和钻井液滤液矿化度密切相关。
With upward decreasing grain size the deflection of the self-potential curve also decreases to form a bell-shape.
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。
An incomplete compensation for self-potential does not prevent us from obtaining correct results.
自然电位未完全补偿掉，也不妨碍我们得到正确的结果。
Mathemtical Model and Numerical Method for Spontaneous Potential Log in Heterogeneous Formations
非均质地层中自然电位测井的数学模型和数值方法
SP logging is one of logging methods which van effectively distinguish resistivity of mixed liquid in formation after oil layer being water flooding.
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。
The Visual Event Related Potential During the Simulated True Reading
模拟自然阅读时的视觉事件相关脑电位
As the electron carries nature's smallest unit of electric charge, it also carries the inpisible unit of spin.
因为电子是携带电荷的天然最小单位，所以电子也携带不可分的自旋角动量单位。