地表复杂地区的资料处理
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摘要
山西晋城煤业集团的赵庄矿大巷区,地处太行山西麓中低山区,区内大面积黄土覆盖,局部基岩裸露,地表庄稼、林木较多,建筑物较为密集,浅层地震地质条件较为复杂。对该区原始资料运用了静校正、干扰波去除、反褶积测试、精细速度分析、偏移成像、修饰性处理等处理技术,较好地解决了地表高差问题、增强了有效信号,剖面的信噪比明显提高。处理后的剖面构造形态清晰可靠,层位接触关系清楚,波组特征明显,较好地解决了煤矿采区地质构造问题。
The main roadway district of Zhaozhuang coalmine,Shanxi Jincheng Coal Group is located in medium to low mountainous area of west piedmont of the Taihang Mts.The area is largely covered by loess,bedrock outcropped locally,and surface is mainly farmland,woods and constructions,made the shallow seismic geological condition complicated.Processing techniques of statics,interference wave removal,deconvolution testing,fine velocity analysis,migration imaging and modification processing were used on the original data,and thus surface elevation difference problem is solved,effective signal enhanced,profile s/n ratio obviously improved.Structural form on the processed profile is clear and reliable;strata contact is clear,characteristics of wave group are obvious,problems of coalmine panel geological structure preferably solved.
引文
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    [3]何樵登,等.地震勘探原理和方法[M].北京:地质出版社,1986.
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