Marine acoustic sources are widely used for geophysical imaging, oceanographic sensing, and communicating with and tracking objects or robotic vehicles in the water column. Under …
Marine vibrators are an emerging alternative to conventional air guns in ocean-bottom acquisition due to their ability to generate low-frequency waves and limited adverse impact …
Marine vibrators are a new technology being developed for seismic surveys. These devices can transmit continuous instead of impulsive sound and operate over a narrower frequency …
J Lu, C Wu, J Huang, G Li, S Yuan - Engineering Applications of Artificial …, 2024 - Elsevier
Velocity model building is crucial for seismic exploration, yet conventional methods struggle with complex geological scenarios due to assumptions of horizontal layering. These …
H Shen, G Tian, C Tao, H Wang, J Fang - Journal of Applied Geophysics, 2022 - Elsevier
The limited bandwidth of a single source normally restricts the imaging resolution for the subsurface target. Multi-frequency acquisition is a promising way to enhance the resolution …
B Teyssandier, JJ Sallas - The Leading Edge, 2019 - library.seg.org
Ten years ago, CGG launched a project to develop a new concept of marine vibrator (MV) technology. We present our work, concluding with the successful acquisition of a seismic …
L Gao, H Jiang, F Min - Expert Systems with Applications, 2021 - Elsevier
First-arrival picking is a critical step of determining the onsets of signals in seismic exploration. Existing approaches are usually sensitive to background noise and user …
A Guitton, B Duquet, S Secker… - … Meeting for Applied …, 2021 - library.seg.org
Towed marine vibrators present a unique set of processing challenges not found with airgun arrays. One of them is the Doppler effect, which generates a frequency shift in the recorded …