Technical Library

Seismic Data, Processing, Technology, Well Data Reports and Industry and Trade Publication Features, from the Experts at TGS

FWI Salt Model Update with Sparse Nodes: A Feasibility Test on OGO FAN Survey

June 3, 2019
Y. Huang, J. Mao*, J. Sheng

Sub-Basalt Imaging in the Norwegian Sea Using Common-Offset RTM Tomography and Least Squares Reverse Time Migration

June 3, 2019
S. Baldock, T. Kim, T. Feng, Z. Guo, H. Bondeson, B. Kjølhamar

Imaging Paleocene and Jurassic Prospects Within the Porcupine Basin, Ireland

June 3, 2019
M. Hart, E. Cho, S. Bhamber, A. Hulks, S. O’Keefe

Mathematical Morphological Filters and Applications in Seismic Data Denoising

June 3, 2019
Z. Liu, D. Wheaton, V. Tyagi, B. Wang*

Elastic Parameters Estimation Using Reservoir-Oriented Joint Migration Inversion for Norwegian Sea Field Data

June 3, 2019
A. Garg*, H. Masoomzadeh, S. Baldock, D.J. Verschuur

Amplitude Preserved Least-squares RTM Gathers

June 3, 2019
Y. He, F. Hao, S. Dong, B. Wang*

Deblending, Demultiple and High-Resolution Velocity Model Building Workflow Across the Senja Ridge

June 3, 2019
S. Stokes*, D. Manns, M. Romanenko, B. Kjølhamar, R. Myklebust, E. Henden

High-Resolution Multistage FWI and Image-Guided Tomography to Resolve Ultraslow Gas Anomalies

June 3, 2019
Hilburn, Guy Mao, Jian

Considerations for a Model Building Paradigm Shift in Gulf of Mexico

June 3, 2019
H. Roende, J. Sheng, Z. Liu, D. Bate

Imaging beneath Basalts in the Norwegian Sea Using RTM Tomography and Least Squares RTM

April 4, 2019
Baldock, S., T. Kim, T. Feng, Z. Guo, C. Zeng, H. Bondeson, B. Kjollhamar, M. Hart

Hybrid Tomography and Full Waveform Inversion Velocity Model Updating for Shallow Velocity Anomalies

April 4, 2019
Hilburn, G., J. Mao, J. Sheng, S. Baldock, M. Hart

Imaging Paleocene and Jurassic Prospects within the Porcupine Basin, Ireland: A Case Study

April 4, 2019
Hart, M. S. Bamber, A. Hulks, S. O'Keefe, E. Cho, S. Baldock

A FWI Velocity Model Building Workflow across the Senja Ridge in the Norwegian Barents Sea

April 4, 2019
Stokes, S., D., Manns, M. Romanenko, B. Kjolhamar, R. Myklebust, E. Henden

Deblending of Large 3D Surveys Acquired with Triple Sources in NW Europe

June 11, 2018
Baldock, Simon Masoomzadeh,Hassan Ratnett,Neil Liu,Zhaojun O’Keefe,Sorche Travis,Tom Drewell, Steve

Technological Advancements in Broadband Processing – A Reprocessing Case History from the Barents Sea

June 11, 2018
Cox,Peter Bhamber,Sandeep Ditty, Chris

Triple Source in Seismic Exploration – Experiences Offshore Norway

June 11, 2018
J. Langhammer, H. Bondeson, B. Kjølhamar, S. Baldock, H. Masoomzadeh, N. Ratnett

Unfolding Marine Multiazimuth Data from the Gulf of Mexico

June 11, 2018
Roende, Henrik Hilburn, Guy Bate, Duncan

Image Guided Full Waveform Inversion (IGFWI) Modelling of Shallow Channel Features in the Moray Firth

June 11, 2018
Salem, Azza Hart,Matt Baldock,Simon Gromotka,Jan Chen, Jing Sheng, James

FWI Velocity Model Building Experiences

February 22, 2018
Hart, Matt J. Sheng,James Baldock,Simon Mao, Jian

Modelling low velocities in carbonate karst zones and improving sub-karst images in the Gulf of Mexico

May 11, 2011
TGS
A velocity anomaly zone with high contrasts and small wave length variations is often a challenge for conventional depth imaging. It requires model.

Horizon and fault constrained tomography to model fault induced velocity discontinuities in the hoop fault complex area

May 9, 2011
TGS
We present a case study that uses different methods of addressing a sharp velocity contrast across a major fault boundary in the southwestern Barents Sea..

Automated RTM-based DIT scans for salt interpretation and model building

May 2, 2011
TGS
Reverse Time Migration (RTM) based Delayed Imaging Time (DIT) scans have been used routinely in production to update velocity models in subsalt or low.