地层水矿化度
- 网络salinity of formation water
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论文主要取得的成果认识如下:(1)金湖凹陷西斜坡外坡带受大气水下渗影响作用强,地层水矿化度低。
The results in the research as follows : ( 1 ) Influenced by meteoric water strongly , the salinity of formation water is low .
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在实验室对不同油田不同孔隙度的岩心进行核磁共振T2谱分析,研究回波间隔TE、等待时间Tw、含油饱和度及地层水矿化度对T2谱变化规律的影响。
In this paper , the influences of echo spacing ( T_E ), wait time ( T_w ), oil saturation and salinity of formation water on the T_2 spectrum shapes and the transformation rules were discussed based on the experiments of cores with different porosities acquired from different oilfields .
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根据J油田大量岩芯分析资料,应用油藏流体分布理论和毛管压力计算方法,研究该油田低电阻率油气层的形成原因认为:地层水矿化度高(多数>20万ppm);
Based on large amount of core analysis data and by using the fluid distribition theory and capillary pressure method , the formation of low resistivity layers of this oil field is studied .
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目前,研究和解决如何用测井资料求解地层水矿化度和地层阳离子交换量Qv是测井技术的重要研究课题。
At the present , the study and settling how to compute the formation water salinity and Qv are the important research topic of well logging technology .
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地层水矿化度较高(或较低);V.C高;
The salinity of the formation water is high ( or low ); the salinity of formation water is higher ;
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对于含油饱和度,由于泥质及地层水矿化度的影响,针对不同的地层水电阻率及阳离子交换容量,采用W-S模型或双水模型。
Due to the effect of slime and reservoir water salinity , the oil saturation can be obtained by the W-S mode or two-water mode aiming at different formation water electrical resistivity and cation exchange capacity .
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地层水矿化度检测的地球物理测井方法
A Geophysical logging Method to Detect the Water Mineralization Intensity Underground
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利用岩心样品测定地层水矿化度的方法
A Method of Using Core Sample to Measure Salinity of Formation Water
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应用电测井曲线计算地层水矿化度
The application of electric logging curve to calculating mineralization degree of formation water
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地层水矿化度对岩石电阻率绝对值的影响很大。
The formation water salinity has a large effect on the absolute resistivity values .
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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。
The spontaneous potential is closely related to salinity in formation and mud filtrate .
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地层水矿化度是影响转换电磁波的主要因素。
The water salinity is a main factor influencing the amplitude of the converted electromagnetic wave .
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江松元.水淹层测井解释中的矿化度指示法.测井技术,1995,19(3):188~193油田注水(或注气)开发中,地层水矿化度在不断地发生变化。
Salinity of formation water varies continuously during the stage of water ( orsteam ) injection development .
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在总体上,地层水矿化度高低与储层电阻率之间存在反向关系。
Reservoir water salinity and high and low resistivity reservoirs overall relationship exists between the reverse . 3 .
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偶极横波成像测井受地层水矿化度的影响很小,在高阻(淡)水层、低阻(高矿化度)油气层评价中有独特的优势。
We studied gas and water discrimination problem in carbonate reservoir with dipole shear wave FMI log in northeastern Sichuan .
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然后,应用地层水矿化度变化和地层含水饱和度数值来判定油层是否水淹及确定水淹级别。
Whether the oil layer is waterflooded or not , its flooded levels were determined from formation water salinity and formation water saturation .
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对含纯淡水或者地层水矿化度不太高的地层,可采用纯淡水的参数值。
The values of above mentioned parameters of pure water may be adopted for the strata only containing pure or low mineralization water .
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这两种转换电场幅度的相对大小,与地层水矿化度及其与井中水矿化度差异有关。
The relative amplitudes of these two kinds of acoustically associated electric fields depend on formation water salinity and differences of borehole fluid salinity .
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针对中原油田地层水矿化度高、温度高、井深的情况,研制了泡沫排水起泡剂。
In accordance with the situation of high formation water salinity , high temperature and deep wells in Zhongyuan oilfield , water-draining foamer was developed .
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柴达木盆地涩北一号、二号气田具有天然气甲烷含量高、纯度高、地层水矿化度高的特点。
Natural gas from No.1 and No.2 gas fields in Caidamu basin is characterized by high content methane , high purity and high formation water salinity .
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不能简单根据深浅电阻率曲线幅度的差异性直接判断油气、水层,必须结合该研究区块地层水矿化度、泥浆性质、地层特性等因素进行综合判断。
Therefore , the water-oil bearing properties of the formation can not simply identified according to the difference characters of deep resistivity log and shallow one .
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盖层条件好,生气时期晚,地层水矿化度高,有利于气的聚集和保存。
It is favourable for gas to accumulate and to be preserved , because of good cup rocks , gas generating late and high mineralization formation water .
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由于本区构造幅度低、岩性细、地层水矿化度变化大以及钻井液滤液侵入等因素的影响,使得该区流体识别的难度大。
The fluid identification is difficult in this area due to low amplitude structure , fine lithology , a great change of formation fluid and mud invasion .
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这一方法考虑了单井和区域地层水矿化度变化对仪器响应的影响,在较大程度上消除了微波持水率计存在的非一致性响应现象〔1〕。
The inconsistent influence of water salinity on microwave holdup meter response is considered and eliminated in this work . But CaCl 2 has relatively less effect on it .
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自然电位测井是测量井中由于地层水矿化度与泥浆滤液矿化度不同所产生的自然电位场的一种测井方法。
Spontaneous potential ( SP ) well logging is one of the oldest well logging , which is very important for lithology recognition , permeability estimation and sediment analysis .
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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。
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 .
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系统研究模拟数据的热中子寿命谱,分析地层水矿化度、孔隙度和饱和度对地层τ本征值的影响。
The τ spectrum is studied by simulation data to analyze the effect of formation water salinity , porosity and oil saturation on the eigen value of thermal neutron life .
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在进行脉冲中子类过套管剩余油饱和度测井解释时,地层水矿化度的多变性将导致地层水宏观俘获截面这一重要参数不易确定。
Therefore , as an important parameter in remaining oil saturation calculation model in cased hole , the macroscopic capture cross section of mixed formation water is difficult to determine .
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一般相对含油富集区均位于地层水矿化度相对高值背景上的低值区,或是高、低矿化度交替区。
General relatively oil are located enrichment region reservoir water salinity is relatively high value on the background value low area , or is high and low salinity alternate area .
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试验表明:随着地层水矿化度提高、含油饱和度下降,岩心的电阻率均下降;随着围压的增加,岩心电阻率升高。
Test shows that the core resistivity decreases with the increase of formation fluid salinity and the drop of oil saturation , while it increases with the gain of confined pressure .