Compression of local slant stacks by the estimation of multiple local slopes and the matching pursuit decomposition

H Hu, Y Liu, A Osen, Y Zheng - Geophysics, 2015 - library.seg.org
Because local slant stacking increases the data dimension in beam migration, the volume of
local slant stacks can be enormous and can obstruct efficient data processing. In addition, a …

高斯束成像方法研究进展综述

杨珊珊, 黄建平, 李振春, 杨国权, 段新意, 杨继东 - 地球物理学进展, 2015 - dzkx.org
兼顾计算效率和成像精度的高斯束偏移成像方法近年来得到广泛应用. 一方面高斯束偏移使用
动力学射线追踪, 解决了传统射线方法的焦散问题, 改善了成像效果; 另一方面 …

The review of imaging methods based on gaussian beam

S YANG, J HUANG, Z LI, G YANG, X DUAN… - Progress in …, 2015 - en.dzkx.org
The Gaussian beam migration which keeps high computation efficiency and imaging
accuracy simultaneously has been widely used in recent years. On one hand, Gaussian …

Local slant stack Kirchhoff common offset beam migration: Application to the SEAM model

B Wu, H Yang, Z Zhu, A Osen - SEG International Exposition and …, 2015 - onepetro.org
Slant stack Kirchhoff beam migration presented by Yonghe Sun et al.(2000) showed
potential improvement in respect to computational efficiency and image quality. Patches of …

High-resolution, wide-azimuth beam tomography for velocity model building

A Popovici, N Tanushev, S Hardesty - SEG International Exposition and …, 2016 - onepetro.org
We present a novel high resolution, wide azimuth (BT) based on the Fast Beam Migration
(FBM) algorithm. The Beam Tomography uses Fast Beam Migration to directly output a set of …

“Real Time” Imaging of Blended Seismic Data

A Alzayer, C Tsingas - First EAGE Data Processing Workshop, 2024 - earthdoc.org
To ensure successful exploration and development campaigns, it is crucial to comprehend
the complexity of the subsurface. This proposal suggests combining tomography and fast …

Beam tomography systems and methods

N Tanushev, IF Musat, I Sturzu… - US Patent 12,147,003, 2024 - Google Patents
In some embodiments, a velocity model for a seismic exploration subsurface volume is
updated by beam tomography. A set of beams is generated from an input seismic data set …