摘要
针对勘探区存在的声波随机干扰,基于多道集联合统计分析与单道自适应噪声衰减技术框架,结合频带分解阈值压制方法,在实施地表一致性振幅校正前,优先执行叠前噪声压制流程,按照“先去噪后补偿”的原则进行处理。根据处理后的三维地震数据对地质构造与岩性进行了解释;基于振幅响应特征分析,采用振幅属性反演技术实现了煤层厚度的定量表征,并生成煤厚展布特征平面图。研究表明:勘探区内主采煤层厚度在2.0~8.0 m,大部分在2.5~6.0 m。
In response to the random interference of sound waves in the exploration area,based on the joint statistical analysis of multi-channel sets and the framework of single channel adaptive noise attenuation technology,combined with the frequency band decomposition threshold suppression method,the pre stack noise suppression process is prioritized before implementing surface consistency amplitude correction,and processed according to the principle of"denoising first and compensation later".Interpreted geological structures and lithology based on processed 3D seismic data.Based on the analysis of amplitude response characteristics,the quantitative characterization of coal seam thickness was achieved using amplitude attribute inversion technology,and a coal thickness distribution characteristic plane map was generated.Research has shown that the thickness of the main coal seam in the exploration area is between 2.0 and 8.0 meters,with the majority ranging from 2.5 to 6.0 meters.
作者
王羊娃
杜文刚
Wang Yangwa;Du Wengang(Henan Tian'an 13th Coal Industry Co.,Ltd.,Pingdingshan 461714,China;State Key Laboratory of Intelligent Coal Mining and Strata Control,Xi'an 712000,China;CCTEG Xi'an Transparent Geology Technology Co.,Ltd.,Xi'an 712000,China;CCTEG Xi'an Research Institute Co.,Ltd.,Xi'an 710077,China)
出处
《煤炭技术》
2026年第1期185-190,共6页
Coal Technology
基金
陕西省重点研发计划(2024GX-YBXM-492
2025CY-YBXM-609)
陕西省自然科学基础研究计划(2024JCYBQN-0272)。
关键词
三维地震
叠前去噪
煤层形态
断层控制
3D seismic
stacking with noise
coal seam morphology
fault control
