Especially emphasizes that siderite has no apparent effect on formation resistivity.
特别强调指出局部发育的菱铁矿对该区地层电阻率无明显影响。
In step invasion formation, when the ratio of invasion resistivity to formation resistivity is less than 0.
阶跃侵入地层中，侵入带电阻率与地层电阻率比值小于0。
A new spontaneous potential log model for the case when formation resistivity is not piece - wise constant was introduced.
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。
Cased hole Formation resistivity Logging (CHFR) is a new resistivity tool in cased holes developed by Schlumberger company.
过套管地层电阻率测井(CHFR)是斯伦贝谢公司的一种新的套管井电阻率测井仪器。
Cased hole formation resistivity (CHFR) logging tool is a new-type instrument which is developed to measure and evaluate formation remaining oil saturation in casing hole of oilfields.
套管井地层电阻率测井仪是为了满足油田在套管井中测量和评价地层剩余油饱和度而研制的新型仪器。
As far as cased-hole formation resistivity logging, the key problems needed to be solved are detection of ultra-low frequency and extremely weak signals, as well as reduction of strong interferences.
超低频、纳伏级信号的检测以及强干扰的抑制是过套管地层电阻率测井需要解决的关键问题。
Resistivity curve is mainly used in the calculation of formation shale content in the logging interpretation for conglomerate reservoir at present.
浊积岩储层中受放射性矿物和地层水矿化度的影响，使得自然伽马曲线和自然电位曲线不能真实地反映储层泥质含量情况。
The resistivity of a formation measured by flowing current in a horizontal plane.
通过把电流流进水平面所测量的地层电阻率。
The formation water salinity has a large effect on the absolute resistivity values.
地层水矿化度对岩石电阻率绝对值的影响很大。
Casing resistivity logging is hard to realize because of the strong hindering effect of casing to electrical current and only feeble current can enter the formation.
套管井中，由于套管对电流的强阻隔作用，只有极其微弱的电流可以进入地层，使得过套管电阻率测井很难实现。
Core analysis data from laboratory showed the origin of water layers with high resistivity is due to changes of lithology, residual oil and formation water salinity in local areas.
通过对实验室岩心分析资料的研究，认为高电阻率水层的成因是岩性变化、残余油的存在及局部地区地层水矿化度的变化引起的。
High formation water salinity reduces resistivity contrast between oil layer and water layer.
高矿化度的地层水，降低了油层与水层的电阻率对比度。
Under the control of micro-computer, the resistivity of the formation measured is derived from the main current and the midpoint potential of the two monitor electrodes.
整套仪器的工作均在微机的控制之下进行，通过测量主电流和两监督电极中点的电位而获得被测地层的电阻率。
Furthermore, determining Archie's parameters using saturation analysis data allows it unnecessary to calculate resistivity of formation water.
应用饱和度分析资料求解阿尔奇参数避开了求解地层水电阻率值的问题。
In the conventional logging, resistivity log is the chief way to identify the types of fluids in formation.
在常规测井中，电阻率测井是识别地层流体性质的主要手段。
Resistivity apparent formation factor, apparent cement exponent, resistivity index and apparent saturation exponent of shaly sands are related to temperature.
泥质砂岩电阻率、视地层因素、视胶结指数、电阻率增大系数、视饱和度指数均与温度有关。
On the other hand, Archie's parameters are related to temperature, shale content and the resistivity of formation water.
阿尔奇参数是受温度、泥质含量、地层水电阻率等多种因素的影响。
Carbonate formation is characterized by higher resistivity and bigger difference of Dual and Shallow lateral logging compared with clastic formation.
与砂泥岩地层相比，碳酸盐岩地层常以高电阻率、深浅双侧向大幅度差异为特征。
The resistivity, formation factor, and resistivity index of rocks were calculated using the finite element method (FEM) and we studied the effect of rock wettability on electrical properties.
利用有限元方法计算了岩石电阻率，进而得到岩石地层因素和电阻率指数，并考查了岩石润湿性对岩石电阻率指数的影响。
The Cretaceous low resistivity reservoir in Junggar basin is characterized by high porosity, high permeability, low salinity of formation water, low formation pressure and low resistivity.
准噶尔盆地白垩系油气藏具有孔隙度、渗透率高，地层水矿化度、压力系数和电阻率低等低电阻率油气藏的基本特征。
Usually, side-wall core taker uses apparent resistivity curve for locating formation.
井壁取心通常是采用跟踪视电阻率曲线定位。
The flooded strata are often wrongly interpreted as oil layers by use of conventional log interpretation, mainly due to the formation water resistivity can not be determined accurately.
利用常规测井解释方法，往往把水淹层解释为油层，这主要是由于水淹层内的地层水电阻率求不准。
The variation rules of apparent formation water resistivity was reflected by using normal probability distribution, according to its changing rules, the fluid property was judged with good result.
开发了一种利用计算机图形绘制多口井测井数据的应用程序，实现了用数学上的正态概率分布法来反映视地层水电阻率的变化规律，并根据其变化规律判别储层的流体性质，效果良好。
Therefore, a method, which determines the resistivity of formation water in flooded layers with SP log, is given in this paper.
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。
Its structure is quite complex, fault block well developed, lithology complex, formation water salinity variable and oil zones universally exhibit low resistivity.
其油藏结构复杂、断块发育、岩性与水性复杂多变，同时油层低阻现象普遍。
Correction system for resistivity logging in cased hole has been established in paper, including on condition of non-uniformity casing, formation having shoulder, cement layer.
文中建立的套管井电阻率测井校正系统，包括套管非均匀性、地层上、下围岩和水泥环的校正。
Among found low-resistivity pays in Dongying Sag, the low-resistivity pays of high formation water salinity took relatively major proportion.
东营凹陷由高矿化度地层水引起的低电阻率油层在所发现的低阻油层中占较大的比例。
Among found low-resistivity pays in Dongying Sag, the low-resistivity pays of high formation water salinity took relatively major proportion.
东营凹陷由高矿化度地层水引起的低电阻率油层在所发现的低阻油层中占较大的比例。
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