构造成图技术在地震资料稀缺、地形复杂情况下的应用——以D盆地研究为例  

The key technology of structural mapping with scarce seismic data and complex terrain condition and its application: A case study of D Basin

作　　者：李培培 刘志国 杨松岭 王小敏 徐善辉[2] L1 Pei-Pei;L1U Zhi-Guo;YANG Song-Ling;WANG Xiao-Min;XU Shan-Hui(CNOOC Research Institute Ltd.,Beijing 100028,China;Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China)

机构地区：[1]中海油研究总院有限责任公司,北京100028 [2]中国科学院地质与地球物理研究所,北京100029

出　　处：《物探与化探》2018年第2期363-368,共6页Geophysical and Geochemical Exploration

基　　金：中海油研究总院自主创新课题"阿尔及利亚北部隆起带与东部隆起带构造对比研究"(YXKY-2015-ZY-ZZCX-06)

摘　　要：海外勘探中常遇到的资料稀缺、地质条件复杂等困境,直接加剧了勘探难度和挑战性,所以急需快速而有效的方法取得研究成果并指导勘探。文中以地震资料稀缺、地形复杂的D盆地为例,总结出了一套适用于本区的构造成图技术和流程。结合地震、钻井、文献多样化信息,借助数字化的地质剖面和重磁信息约束的趋势面综合网格构造成图,对地震空白区进行了有效的趋势约束,得到了基础区域地质图件,取得了良好的应用效果,为下一步的盆地构造分析以及构造单元划分奠定了坚实的基础。The scarcity of data and the complicated geological conditions are often encountered in overseas exploration,so the difficulty and challenge of exploration are directly aggravated.Therefore,it is urgently needed to get the research results quickly and effectively so as to guide the exploration.As an example,D Basin is characterized by scarce data and complex terrain conditions.ln this paper,a set of mapping techniques and processes are summarized,which are applicable to this area.Combined with seismic survey,drilling well and diversified information,the authors integrated the digital geological profile and the gravity and magnetic information with trend surface constraints into the grid structure.The effective trend constraint of seismic blank area was also carried out,thus obtaining effective basic regional geological maps and achieving good application effect.The results obtained by the authors have laid a solid foundation for the further basin structural analysis and structural unit division.

关 键 词：资料稀缺 基准面 网格 趋势面 数字化 布格重力 

分 类 号：P631.4[天文地球—地质矿产勘探]