The Chepaizi Exploration Area,Junggar Basin(NW China)holds substantial importance for seismic exploration endeavors,yet it poses notable challenges due to the intricate nature of its subsurface and near-surface condit...The Chepaizi Exploration Area,Junggar Basin(NW China)holds substantial importance for seismic exploration endeavors,yet it poses notable challenges due to the intricate nature of its subsurface and near-surface conditions.To address these challenges,we introduce a novel and comprehensive workflow tailored to evaluate and optimize seismic acquisition geometries while considering the impacts of near-surface viscosity.By integrating geological knowledge,historical seismic data,and subsurface modeling,we conduct simulations employing the visco-acoustic wave equation and reverse-time migration to produce detailed subsurface images.The quality of these images is quantitatively evaluated using a local similarity metric,a pivotal tool for evaluating the accuracy of seismic imaging.The culmination of this workflow results in an automated optimization strategy for acquisition geometries that enhances subsurface exploration.Our proposed methodology underscores the importance of incorporating near-surface viscosity effects in seismic imaging,offering a robust framework for improving the accuracy of subsurface imaging.Herein,we aim to contribute to the advancement of seismic imaging methodologies by providing valuable insights for achieving high-quality seismic exploration outcomes in regions characterized by complex subsurface and near-surface conditions.展开更多
原题呈现对于两个相似三角形,如果沿周界按对应点顺序环绕的方向相同,那么称这两个三角形互为顺相似;如果沿周界按对应点顺序环绕的方向相反,那么称这两个三角形互为逆相似.例如,如图1,△ABC∽△A＇B＇C＇,且沿周界ABCA与A＇B＇C＇A＇...原题呈现对于两个相似三角形,如果沿周界按对应点顺序环绕的方向相同,那么称这两个三角形互为顺相似;如果沿周界按对应点顺序环绕的方向相反,那么称这两个三角形互为逆相似.例如,如图1,△ABC∽△A＇B＇C＇,且沿周界ABCA与A＇B＇C＇A＇环绕的方向相同,因此△ABC与△A＇B＇C＇互为顺相似;如图2,△ABC∽△A＇B＇C＇,且沿周界ABCA与A B C A环绕的方向相反，因此AABC与AABC互为逆相似。展开更多
基金supported by the Research on Vibroseis Ultra-wideband Excitation Technology in Re-exploration Area of Quasi Western Margin(Project No.:SG22-44K)。
文摘The Chepaizi Exploration Area,Junggar Basin(NW China)holds substantial importance for seismic exploration endeavors,yet it poses notable challenges due to the intricate nature of its subsurface and near-surface conditions.To address these challenges,we introduce a novel and comprehensive workflow tailored to evaluate and optimize seismic acquisition geometries while considering the impacts of near-surface viscosity.By integrating geological knowledge,historical seismic data,and subsurface modeling,we conduct simulations employing the visco-acoustic wave equation and reverse-time migration to produce detailed subsurface images.The quality of these images is quantitatively evaluated using a local similarity metric,a pivotal tool for evaluating the accuracy of seismic imaging.The culmination of this workflow results in an automated optimization strategy for acquisition geometries that enhances subsurface exploration.Our proposed methodology underscores the importance of incorporating near-surface viscosity effects in seismic imaging,offering a robust framework for improving the accuracy of subsurface imaging.Herein,we aim to contribute to the advancement of seismic imaging methodologies by providing valuable insights for achieving high-quality seismic exploration outcomes in regions characterized by complex subsurface and near-surface conditions.
文摘原题呈现对于两个相似三角形,如果沿周界按对应点顺序环绕的方向相同,那么称这两个三角形互为顺相似;如果沿周界按对应点顺序环绕的方向相反,那么称这两个三角形互为逆相似.例如,如图1,△ABC∽△A＇B＇C＇,且沿周界ABCA与A＇B＇C＇A＇环绕的方向相同,因此△ABC与△A＇B＇C＇互为顺相似;如图2,△ABC∽△A＇B＇C＇,且沿周界ABCA与A B C A环绕的方向相反，因此AABC与AABC互为逆相似。
