三维感应测井仪在松辽盆地北部低电阻率储层评价中的应用  

Low Resistivity Reservoirs Evaluation in North Songliao Basin of China with 3D Induction Tool

作　　者：白彦 李庆峰 陈涛 邢光龙[3] 董丽新 宋青山 BAI Yan;LI Qingfeng;CHEN Tao;XING Guanglong;DONG Lixin;SONG Qingshan(Logging Technology Research Institute,China National Logging Corporation,Xi’an,Shaanxi 710077,China;Daqing Branch,China National Logging Corporation,Daqing,Heilongjiang 163000,China;School of Information Science and Engineering,Yanshan University,Qinhuangdao,Hebei 066004,China)

机构地区：[1]中国石油集团测井有限公司测井技术研究院,陕西西安710077 [2]中国石油集团测井有限公司大庆分公司,黑龙江大庆163000 [3]燕山大学信息科学与工程学院,河北秦皇岛066004

出　　处：《测井技术》2021年第6期592-597,共6页Well Logging Technology

基　　金：国家自然科学基金资助课题“多分量感应测井相关理论精准模拟的传输矩阵与积分方程方法研究”(61671401)。

摘　　要：针对如何准确识别与评价松辽盆地北部低电阻率储层测井解释的难题,应用三维感应测井仪提供的地层水平和垂直电阻率,建立薄交互低电阻率储层解释评价方法。首先,利用三维感应测井仪器测量电导率矩阵,经过数据处理有效反演地层倾角、水平和垂直电阻率,再基于地层电阻率解释模型计算砂岩的电阻率,从而计算储层含油饱和度。其次,考虑到松辽盆地北部含泥岩、砂岩和钙质储层低电阻特性,建立了含泥岩、砂岩和钙质各向异性电阻率解释模型,提高储层饱和度估算的精度。该方法应用于松辽盆地北部三维感应测井的实际测井资料处理和解释,取得较好地质评价结果,证明三维感应测井仪在低电阻率储层中评价中具有应用价值。Focusing on the problem of how to accurately identify and evaluate the log interpretation of low resistivity reservoirs in north Songliao basin,the interpretation and evaluation method of thin interactive low resistivity reservoirs is established by using the horizontal and vertical resistivity provided by 3D induction tool.Firstly,the conductivity matrix is measured by 3D induction tool,the dip angle,horizontal resistivity and vertical resistivity of formations are calculated effectively through data processing.Then,the resistivity of sandstone is calculated based on the formation resistivity interpretation model,and the oil saturation of the reservoir is calculated.Secondly,considering the low resistivity characteristics of argillaceous and calcareous sandstone reservoirs in the north Songliao basin,the anisotropic resistivity interpretation model of the shaly and calcareous sandstone is proposed to improve the accuracy of reservoir saturation estimation.This method has been applied to the processing and interpretation of 3D induction logging data in the north Songliao basin,and good geological evaluation results have been obtained,which proves that 3D induction tool has application value in the evaluation of low resistivity reservoirs.

关 键 词：三维感应测井仪 低电阻率油层 各向异性地层 测井解释模型 垂直电阻率 

分 类 号：P631.84[天文地球—地质矿产勘探]