烃源岩有机质丰度预测的地球物理研究进展
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  • 英文篇名:Progress of geophysical methods for the evaluation of TOC of source rock
  • 作者:秦建强 ; 付德亮 ; 钱亚芳 ; 杨甫 ; 田涛
  • 英文作者:QIN Jianqiang;FU Deliang;QIAN Yafang;YANG Fu;TIAN Tao;Shaanxi Coal Geology Group CO.,LTD.;Key Laboratory of Coal Exploration and Comprehensive Utilization,Ministry of Land and Resources;College of Energy,Chengdu University of Technology;Third gas plant,Changqing Oilfield;
  • 关键词:有机质丰度 ; 烃源岩 ; ΔlogR ; 体积密度测井 ; 自然伽马测井 ; 多元线性回归 ; 地震多属性反演
  • 英文关键词:TOC;;source rock;;ΔlogR;;Bulk density logging;;natural gamma ray logging;;multiple regression analysis;;seismic multi-attribute inversion
  • 中文刊名:SYWT
  • 英文刊名:Geophysical Prospecting for Petroleum
  • 机构:陕西省煤田地质集团有限公司;国土资源部煤炭资源勘查与综合利用重点实验室;成都理工大学能源学院;中国石油天然气股份有限公司长庆油田分公司第三采气厂;
  • 出版日期:2018-11-25
  • 出版单位:石油物探
  • 年:2018
  • 期:v.57
  • 基金:国土资源部煤炭资源勘查与综合利用重点实验室自主课题(ZP2018-1)资助~~
  • 语种:中文;
  • 页:SYWT201806002
  • 页数:10
  • CN:06
  • ISSN:32-1284/TE
  • 分类号:13-22
摘要
为了认识不同地球物理方法预测烃源岩有机质丰度的适用条件及限制因素,探索未来发展趋势,在大量文献调研的基础之上,总结了ΔlogR法、地层体积密度测井法、自然伽马测井法、多元线性回归法以及地震多属性反演法等方法的优缺点,深入分析了地球物理方法预测烃源岩有机质丰度的技术现状,并得出以下认识:(1)地球物理方法预测烃源岩有机质丰度已形成以地球化学实测控点、以单井地球物理测井评价控线、以多井或三维地震控面的逐步深入的评价步骤和模式,该模式的建立为油气地质勘探开发提供了极具经济性的基础评价方法;(2)我国地质情况复杂,目前尚没有一种方法适用于所有地质条件,故应在同一研究区内根据实际地质背景优选适用方法并横向对比拟合结果,从而确定最优方法;(3)未来在开展区域性地质资料对比研究时,同时针对性地建立特定岩性的烃源岩有机质丰度地球物理评价方法,是提高地球物理方法预测烃源岩有机质丰度工作效率和准确度的关键;(4)仍需要深入研究不同地球物理参数与有机质特征的相关性机理。
        This review discusses the applicable conditions and limiting factors of geophysical methods for the prediction of TOC in source rock,and further explores the trends of future development.Based on extensive literature review,the advantages,and disadvantages of five methods,namely,ΔlogR,bulk density logging,natural gamma ray logging,multiple regression analysis,and seismic multi-attribute inversion method were summarized and analyzed.Accordingly,the following views are drawn.1)Geophysical methods for predicting the TOC in source rock have formed a point-line-work area evaluation mode,which evaluates a single point with geochemical data,a single well with a geophysical well logging,and a work area with multi-well logging or 3 Dseismic data.This model provides a highly economical and basic evaluation method for oil and gas exploration and development.2)At present,there is not a single method suitable for all geological conditions.In a particular study area,the optimal method can be determined by comparing the results of the selected methods with the geological background of that area.3)In future,the comparison of regional geological data and developments in the geophysical evaluation methods for TOC in specific lithology would be the key points to improve the efficiency and accuracy of geophysical methods in predicting TOC in source rocks.4)The correlation pattern between different geophysical parameters and characteristics of organic matter still needs further research.
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