Full-waveform inversion for full-wavefield imaging: Decades in the making

R Huang, Z Zhang, Z Wu, Z Wei, J Mei, P Wang - The Leading Edge, 2021 - library.seg.org
Seismic imaging using full-wavefield data that includes primary reflections, transmitted
waves, and their multiples has been the holy grail for generations of geophysicists. To be …

A convolutional neural network approach to deblending seismic data

J Sun, S Slang, T Elboth, T Larsen Greiner… - Geophysics, 2020 - library.seg.org
For economic and efficiency reasons, blended acquisition of seismic data is becoming
increasingly commonplace. Seismic deblending methods are computationally demanding …

Distributed acoustic sensing for near-surface imaging using submarine telecommunication cable: A case study in the Trondheimsfjord, Norway

K Taweesintananon, M Landrø, JK Brenne… - Geophysics, 2021 - library.seg.org
Distributed acoustic sensing (DAS) transforms submarine telecommunication cables into
densely sampled seismic receivers. To demonstrate DAS applications for seismic imaging …

Unsupervised deep learning with higher-order total-variation regularization for multidimensional seismic data reconstruction

TA Larsen Greiner, JE Lie, O Kolbjørnsen… - Geophysics, 2022 - library.seg.org
In 3D marine seismic acquisition, the seismic wavefield is not sampled uniformly in the
spatial directions. This leads to a seismic wavefield consisting of irregularly and sparsely …

New wiggles from old cables: Acquisition, cable, and data aspects

EB Raknes, B Foseide, M Landrø, H Dong, JK Brenne… - Geophysics, 2023 - library.seg.org
Seismic imaging is essential for detailed characterization and understanding of the
subsurface. Traditionally, marine seismic data have been acquired either using towed …

海洋地震勘探技术发展方向

谢玉洪, 叶云飞, 黄小刚, 孙文博, 魏衍雯 - 地球科学, 2024 - earth-science.net
随着近海油气勘探程度的不断深入, 中浅层构造型油气藏占比大幅减少, 深水, 中深层, 超浅层,
潜山, 岩性和复杂构造领域已成为油气增储上产新的增长极, 对地震勘探技术提出新的挑战 …

Cross-streamer wavefield reconstruction through wavelet domain learning

TA Larsen Greiner, V Hlebnikov, JE Lie, O Kolbjørnsen… - Geophysics, 2020 - library.seg.org
Seismic exploration in complex geologic settings and shallow geologic targets has led to a
demand for higher spatial and temporal resolution in the final migrated image. Conventional …

Pushing seismic resolution to the limit with FWI imaging

Z Wei, J Mei, Z Wu, Z Zhang, R Huang, P Wang - The Leading Edge, 2023 - library.seg.org
Although the resolution of a seismic image is ultimately bound by the spatial and temporal
sampling of the acquired seismic data, the seismic images obtained through conventional …

Combining nodes and streamers to tackle the imaging challenges of salt basins in the Barents Sea

PE Dhelie, V Danielsen, JE Lie - First International Meeting for …, 2021 - library.seg.org
The Nordkapp Basin in the Barents Sea is considered an underexplored basin with limited
amount of good quality seismic for exploration. The salt diapirism is prolific with diapirs …

Near offset reconstruction for marine seismic data using a convolutional neural network

OR Huff, VS Thorkildsen, TL Greiner… - Geophysical …, 2024 - Wiley Online Library
Marine seismic data is often missing near offset information due to separation between the
source and receiver cables. To solve this problem, a convolutional neural network is trained …