基于叠前时间偏移技术的煤矿三维地震精细处理应用  

The Application of 3D Seismic Fine Processing in Coal Mine Based on Prestack Time Migration Technology

作　　者：孙新博 梁哲 崔焕玉[3] 徐毅东 SUN Xin-bo;LIANG Zhe;CUI Huan-yu;XU Yi-dong(Hebei Vocational University of Technology and Engineering,Xingtai,Hebei 054035,China;Hebei Province Bureau of Coal Geology Geological Team,Xingtai,054000,China;Hebei Coal Research Institute,Xingtai,054000,China)

机构地区：[1]河北科技工程职业技术大学信息工程系,河北邢台054035 [2]河北省煤田地质局物测地质队,河北邢台054000 [3]河北煤炭科学研究院,河北邢台054000

出　　处：《邢台职业技术学院学报》2022年第3期84-88,共5页Journal of Xingtai Polytechnic College

基　　金：河北省重点研发计划项目——“大埋深高地应力下煤炭地下气化关键技术研究与示范”,项目编号:21374103D。

摘　　要：三维地震数据处理过程中,常规叠后时间偏移叠加对速度不同的同深度倾斜地层难以做到恰当归位,对空间速度突变的地质体也做不到正确成像。而叠前时间偏移因其对偏移速度场不敏感的特性,能够避免叠后时间偏移处理产生的问题,对各种地质构造的处理结果具有较好的成像效果,能达到地震资料高精度处理解释效果。在煤矿企业投入资金做高精度勘探压力大的背景下,运用叠前时间偏移处理技术,对煤矿早期三维地震数据开展精细处理解释工作,达到提高勘探精度的目的,是一种经济、高效、便捷且实用性强的手段。During the processing of 3D seismic data,conventional post-stack time migration stack is difficult to properly locate the same depth inclined strata with different velocities,and the geologic body with abrupt spatial velocity can’t be imaged correctly.But due to its insensitivity to the velocity field of migration,prestack time migration can avoid the problems caused by post-stack time migration processing,and has a good imaging effect on the processing results of various geological structures,and can achieve the effect of high-precision seismic data processing and interpretation.Under the background of high pressure of high precision exploration,it’s an economical,efficient,convenient and practical means to use prestack time migration processing technology to carry out fine processing and interpretation of early 3d seismic data in coal mine,so as to improve exploration accuracy.

关 键 词：叠前时间偏移 属性体 陷落柱 精细处理 

分 类 号：TD745[矿业工程—矿井通风与安全]