煤田地质与勘探

2020, (06) 80-86

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煤矿采区高密度三维地震深度域资料解释方法
Interpretation method of high density 3D seismic depth domain data in coal mining districts

孟凡彬
MENG Fanbin;

摘要(Abstract):

时间域地震资料解释比较成熟,深度域处理技术已经走向煤炭领域,但煤矿采区高密度三维地震深度域资料解释实际应用还存在很多问题。通过煤炭地震深度域层位标定、深度域断层解释、深度域底板成图的摸索应用,参考时间域解释的流程,初步建立在煤炭高密度三维地震深度域资料中直接解释煤田地质成果的方法。以淮北祁南矿三维叠前深度偏移地震资料应用为例,通过深度域、时间域地震数据的对比剖析,断层解释、回采面地震属性显示及底板成图,取得精度更高的结果,利于一线技术人员直接运用深度域地震资料来指导煤矿生产。
Time domain seismic data interpretation is relatively mature, and depth domain processing technology has been moved into the field of coal, but there are still many problems in the practical application of high density 3D seismic depth domain data interpretation in coal mining area. Through the exploration and application of coal seismic depth domain horizon calibration, depth domain fault interpretation and depth domain floor mapping, and referring to the process of time domain interpretation, the method of directly interpreting coal geological results in high density 3D seismic depth domain data is preliminarily established. Taking the application of 3D prestack depth migration seismic data in Qinan Coal Mine of Huaibei as an example, through the comparative analysis of seismic data in depth domain and time domain, fault interpretation, seismic attribute display of mining face and floor mapping, higher precision results have been achieved. The results of depth domain are conducive to the technical personnel of the front line to directly use the depth domain seismic data to guide the coal mine production.

关键词(KeyWords): 深度域解释;高密度三维地震;深度域层位标定;深度域断层;深度域倾角;祁南矿
depth domain interpretation;high density 3D seismic exploration;depth domain horizon calibration;depth domain fault;dip angle;Qinan Coal Mine

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项课题(2016ZX05041-002,2016ZX05043-001)

作者(Authors): 孟凡彬
MENG Fanbin;

DOI: 10.3969/j.issn.1001-1986.2020.06.011

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