录井定量化解释评价方法在河套盆地扎格构造临河组储层的应用  

Application of mud logging quantitative interpretation and evaluation method for reservoirs in Linhe Formation of Zhage Structure,Hetao Basin

作　　者：张文平 胡洋 姜维寨 于伟高 田思思 许铁成 ZHANG Wenping;HU Yang;JIANG Weizhai;YU Weigao;TIAN Sisi;XU Tiecheng(No.2 Mud Logging Company,BHDC,CNPC,Renqiu,Hebei 062552,China;Exploration Department of PetroChina Huabei Oilfield Company,Renqiu,Hebei 062552,China;Exploration and Development Research Institute of PetroChina Huabei Oilfield Company,Renqiu,Hebei 062552,China)

机构地区：[1]中国石油渤海钻探第二录井公司 [2]中国石油华北油田公司勘探事业部 [3]中国石油华北油田公司勘探开发研究院

出　　处：《录井工程》2025年第1期98-105,共8页Mud Logging Engineering

摘　　要：录井数据蕴含了丰富的油气藏地质信息,包括储层特征、含油丰度、流体性质、产能状况等。然而,传统录井解释评价方法的准确性和可靠性受人为因素影响较大,难以满足定量准确评价的需求。基于统计学多元线性回归模型和熵值法,通过综合分析研究气测录井、元素录井、岩矿录井和地化录井数据,建立储层物性指数Mi和含油丰度综合评价得分Fi,以此构建定量评价图板及标准,实现了对录井数据的定量解释评价。在河套盆地扎格构造5口井的解释评价中,随钻解释符合率由80.00%提高至92.50%,有效降低了录井解释评价过程中的人为误差,为区域储层勘探开发提供了有力的技术支持。Mud logging data contains rich geologic information of hydrocarbon reservoirs,including reservoir characteristics,oilbearing abundance,fluid properties,productivity status,etc.However,the accuracy and reliability of traditional mud logging interpretation and evaluation methods are greatly affected by human factors,making them difficult to meet the needs of quantitative and accurate evaluation.Based on the statistical multiple linear regression model and entropy method,a comprehensive analytic research was conducted on gas logging,element logging,rockmineral logging and geochemical logging data.The reservoir physical property index(Mi)and oilbearing abundance comprehensive evaluation score(Fi)were established,and a quantitative evaluation chart and criteria were constructed to achieve quantitative interpretation and evaluation of mud logging data.In the interpretation and evaluation of five wells in Zhage structure of Hetao Basin,the coincidence rate of interpretation while drilling is increased from 80.00%to 92.50%,which effectively reduces the human errors in the process of mud logging interpretation and evaluation,and provides a strong technical support for regional reservoir exploration and development.

关 键 词：定量化解释评价 多元线性回归 熵值法 物性指数 含油丰度综合评价得分 

分 类 号：TE132.1[石油与天然气工程—油气勘探]