山东煤炭科技2024，Vol.42Issue(7)：108-113,6.DOI:10.3969/j.issn.1005-2801.2024.07.021
小保当煤矿风积沙松散层三维地震地质特征研究
Research on 3D Seismic Geological Characteristics of Windblown Sand Loose Layer in Xiaobaodang Coal Mine
杨彪 1麻银斗 1侯晓冰1
作者信息
- 1. 陕西小保当矿业有限公司,陕西 榆林 719000
- 折叠
摘要
Abstract
The terrain of Xiaobaodang No.1 Mine is undulating greatly and the geological structure is complex and variable.Traditional exploration techniques are difficult to meet the needs of omni-directional exploration of the mine,which seriously restricts the safe and efficient production of the mine.Taking the geological conditions of the first mining area of the mine as the research background,theoretical analysis,on-site testing,on-site exploration and other methods are comprehensively applied to judge and determine that the first mining area of the windblown sand loose layer in the mine is a general geological area for seismic exploration.The influencing factors of influencing 3D seismic exploration in this area are obtained to be terrain factors,excitation factors,and reception factors.A 3D seismic exploration scheme suitable for the windblown sand loose layer is formulated,and the thickness of the windblown sand loose layer in the exploration area varies between 50-115 m is ascertained.The thickest layer in the south reaches 115 m;The overall thickness of each coal seam in the exploration area shows a changing trend of gradually thickening from northwest to southeast,and the coal seams generally show a monoclinic shape inclined towards northwest;There are total 9 faults in 2-2 and 5-2 coal seams in the exploration area,all of which are normal faults,including 2 faults with a drop of more than 5 m.关键词
风积沙松散层/三维地震勘探/松散层厚度/煤层厚度/断层Key words
windblown sand loose layer/3D seismic exploration/loose layer thickness/coal seam thickness/fault分类
天文与地球科学引用本文复制引用
杨彪,麻银斗,侯晓冰..小保当煤矿风积沙松散层三维地震地质特征研究[J].山东煤炭科技,2024,42(7):108-113,6.
