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俄罗斯感应测井仪HIL的响应特性分析

Analysis of the response characteristic of Russia induction logging tool HIL
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摘要 文章针对俄罗斯感应仪器HIL,计算均匀地层中的电压和视电导率,给出了该仪器4个子阵列的电压动态范围要求和地层电导率测量范围。分别计算了对应Doll几何因子和带趋肤效应几何因子的子阵列的一维和二维响应,指出4个子阵列的原始探测深度深,分辨率低,需要围岩效应校正;随地层电导率增大,径向探测深度减小,分辨率增大;子阵列的二维响应存在负值,会产生井洞影响。 Based on the Russia induction logging tool HIL,firstly,their voltage and the apparent conductivity in homogeneous formation are calculated,at same time the dynamic range of voltage and the measurement range of formation conductivity about four sub-arrays are given.Secondly,one dimensional and two dimensional response functions of four subarrays corresponding Doll geometry factor and with skin effect geometry factor are computed.It is pointed out that four subarrays have deep depth of investigation and low resolution and need shoulder effect correction;With the increase of formation conductivity,the radial depth of investigation becomes smaller and the resolution becomes higher;two dimensional response of subarrays exists negative value,and they will cause cave effect.
出处 《石油仪器》 2008年第2期27-29,100,共3页 Petroleum Instruments
关键词 俄罗斯感应仪器 响应特性 几何因子 井洞影响 Russia induction logging tool(HIL) response characteristic geometry factor cave effect
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