速度和各向异性

• 出 处: 石油物探译丛
• 发表日期: 1982年02期
• 关键词: 垂直地震剖面 波前曲率 三维地震法 地震技术 各向异性 地震勘探 层状介质 地震反射 非均质 横波

本文广泛地论述了波前曲率这个概念,目的是为了说明地表地震反射数据与地下地质参数的关系。这项技术原先是为了研究均质各向同性,但任意倾斜的层状介质而发展起来的,现在该技术已可用到非均质的情况。目前,随着新地震技术的出现,例如垂直地震剖面,三维地震法和横波技术等,速度各向异性的问题是地震勘探人员越来越关心的问题。本文的宗旨在于将波前曲率法

This paper discusses the concept of wavefront curvature extensively to illustrate the relationship between surface seismic reflection data and subsurface geological parameters. Originally developed to study homogeneous, isotropic, but obliquely layered media, the technique is now available in heterogeneous conditions. At present, with the emergence of new seismic techniques, such as vertical seismic sections, 3D seismic methods and transverse wave techniques, the issue of velocity anisotropy is a growing concern for seismic surveyors. The purpose of this article is to use the wavefront curvature method