高密度各向异性速度分析在琼东南海域的应用

详细信息

收稿日期: 2014-04-24

THE APPLICATION OF HIGH-DENSITY ANISOTROPIC VELOCITY ANALYSIS IN QIONG DONG NAN BASIN

Received Date: 24 April 2014

摘要: 速度分析是地震数据处理中的重要环节之一,基于各向同性假设的传统速度分析技术已经被广泛应用,但是地下地质体存在不同程度的各向异性,而且现代海洋地震勘探逐步向深层勘探发展,拖揽长度不断增加,使得地层各向异性问题日益突出。通过对琼东南海域进行高密度各向异性速度分析技术的应用,同时扫描得到速度和各向异性参数,提高了速度分析的密度和精度,解决了远偏移距无法拉平问题,改善了地震资料成像质量。
- 速度分析 /
- 高密度 /
- 各向异性
Abstract: Velocity analysis is an important part of the seismic data processing. Traditional velocity analysis technology based on the assumption of isotropy has been widely used. But there are various anisotropic geological bodies underground. The detecting depth of modern marine seismic technology is increasing with cable length. Therefore, the problem of stratigraphic anisotropy has become increasingly prominent. By using the technology of high-density and anisotropic velocity analysis, we can scan the velocity and anisotropy parameters to improve the accuracy of the density and velocity analysis. It can also solve the problem of unleveled far offsets and improve the quality of seismic imaging.
- velocity analysis /
- high-density /
- anisotropy