摘要
相邻钻孔之间地层连接关系的判断与推理是基于钻孔数据的三维地学建模的关键。相邻钻孔之间地层的连接关系可分为基于年代地层单位的时序地层关系和基于地层属性的岩性地层关系两种;地层属性及其语义关系是岩性地层关系判断和细节地层连接的基础。相邻钻孔之间细节地层的岩性连接有对应、包含和尖灭3种,基于地层属性及其语义关系的地层连接关系推理有6种基本模式,设计了相应的地层连接推理算法。以徐州地区两个邻近地质区域的寒武纪钻孔数据为例,在GeoMo3D平台上进行了地层连接与推理实验,验证了基于细节地层属性的语义关系进行连接推理的可行性与可靠性。
The judgment and inference of the connecting relations of strata between adjacent boreholes is the key of three- dimensional geology modeling （3DGM） based on borehole data. The connecting relations of strata between adjacent boreholes include stratum- sequence- based and stratum- semantic- based relation,and the stratum attributes as well as its semantic relations is the foundation of the judgment of stratum- semantic relation and the detailed strata connection. There are three basic litholngic semantic relations between adjacent boreholes, which are respectively corresponding, including and pinching-out relations. Six kinds of reference mode for detailed strata connection could be applied based on litholngic semantic relations, and the related reference algorithms are designed. By taking the relative strata data of Cambrian carbonate rocks of two adjacent districts in Xuzhou,Jiangsu Province,China,and by using of GeoMo^3D system,an experiment on strata connection and strata reference are done. The feasibility and reliability of strata connection reference based on the litholngic semantic of detailed strata is verified.
出处
《地理与地理信息科学》
CSCD
北大核心
2007年第1期1-4,共4页
Geography and Geo-Information Science
基金
国家自然科学基金项目(40571137)
国家杰出青年基金项目(50525414)
北京市自然科学基金重点项目(4041005)
关键词
数据集成
数字矿山
三维地质建模
钻孔
语义
data integration
digital mining
3D geology modeling
borehole
semantic
