Technical Library

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

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

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June 3, 2019
Author: Y. Huang, J. Mao*, J. Sheng
Filed Under: EAGE

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

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June 3, 2019
Author: S. Baldock, T. Kim, T. Feng, Z. Guo, H. Bondeson, B. Kjølhamar
Filed Under: EAGE

Imaging Paleocene and Jurassic Prospects Within the Porcupine Basin, Ireland

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June 3, 2019
Author: M. Hart, E. Cho, S. Bhamber, A. Hulks, S. O’Keefe
Filed Under: EAGE

Mathematical Morphological Filters and Applications in Seismic Data Denoising

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June 3, 2019
Author: Z. Liu, D. Wheaton, V. Tyagi, B. Wang*
Filed Under: EAGE

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

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June 3, 2019
Author: A. Garg*, H. Masoomzadeh, S. Baldock, D.J. Verschuur
Filed Under: EAGE

Amplitude Preserved Least-squares RTM Gathers

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June 3, 2019
Author: Y. He, F. Hao, S. Dong, B. Wang*
Filed Under: EAGE

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

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June 3, 2019
Author: S. Stokes*, D. Manns, M. Romanenko, B. Kjølhamar, R. Myklebust, E. Henden
Filed Under: EAGE

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

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June 3, 2019
Author: Hilburn, Guy Mao, Jian
Filed Under: EAGE

Considerations for a Model Building Paradigm Shift in Gulf of Mexico

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June 3, 2019
Author: H. Roende, J. Sheng, Z. Liu, D. Bate
Filed Under: EAGE

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

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April 4, 2019
Author: Baldock, S., T. Kim, T. Feng, Z. Guo, C. Zeng, H. Bondeson, B. Kjollhamar, M. Hart
Filed Under: PESGB Filed Under: EAGE

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

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April 4, 2019
Author: Hilburn, G., J. Mao, J. Sheng, S. Baldock, M. Hart
Filed Under: PESGB Filed Under: EAGE

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

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April 4, 2019
Author: Hart, M. S. Bamber, A. Hulks, S. O'Keefe, E. Cho, S. Baldock
Filed Under: PESGB Filed Under: EAGE

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

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April 4, 2019
Author: Stokes, S., D., Manns, M. Romanenko, B. Kjolhamar, R. Myklebust, E. Henden
Filed Under: PESGB Filed Under: EAGE

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

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

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

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June 11, 2018
Author: Cox,Peter Bhamber,Sandeep Ditty, Chris
Filed Under: EAGE

Triple Source in Seismic Exploration – Experiences Offshore Norway

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June 11, 2018
Author: J. Langhammer, H. Bondeson, B. Kjølhamar, S. Baldock, H. Masoomzadeh, N. Ratnett
Filed Under: EAGE

Unfolding Marine Multiazimuth Data from the Gulf of Mexico

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June 11, 2018
Author: Roende, Henrik Hilburn, Guy Bate, Duncan
Filed Under: EAGE

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

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June 11, 2018
Author: Salem, Azza Hart,Matt Baldock,Simon Gromotka,Jan Chen, Jing Sheng, James
Filed Under: EAGE

FWI Velocity Model Building Experiences

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February 22, 2018
Author: Hart, Matt J. Sheng,James Baldock,Simon Mao, Jian
Filed Under: EAGE

Imaging of Multiples and its Application on Single Sensor Data

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June 14, 2017
Author: Jian Mao, Simon N. Baldock, James Sheng
Filed Under: EAGE

Multidomain Denoise - A Robust and Efficient Method of Suppressing Incoherent Noise

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June 14, 2017
Author: Hassan Masoomzadeh, Neil Ratnett, Tom Travis, and Azza Salem
Filed Under: EAGE

A Robust Multistage Full Waveform Inversion and Its Application

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June 13, 2017
Author: Jian Mao, James Sheng, Matt Hart, Taejong Kim
Filed Under: EAGE

Continuous Coverage of Recent High Resolution Seismic and Magnetic Data gives New Insight into the Early Development of the Gulf of Mexico

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June 13, 2017
Author: Ian Deighton, Felicia Winter
Filed Under: EAGE

FWI with Scaled-Sobolev Preconditioning Applied to Short-Offset Vibroseis Field Data

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June 13, 2017
Author: Consolvo, B.P., M.A.H. Zuberi, R.G. Pratt, P.W. Cary
Filed Under: EAGE

Dual WAZ Processing and Orthorhombic Imaging - A Case Study in Mississippi Canyon, Gulf of Mexico

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June 12, 2017
Author: Zhiqiang Guo, Yang He, Guy Hilburn, Dhananjay Tiwari, Gary Rodriguez
Filed Under: EAGE

Broadband Imaging in the Barents Sea - Impact of 3D Survey Design and Data Processing on Jurassic Lead Quality

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June 12, 2017
Author: Salem, A., M. Romanenko, B. Kjolhamar
Filed Under: EAGE

Adaptive Windowed Deghosting - Applications to FAZ Acquisition

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June 1, 2016
Author: Zhigang Zhang, Zhaohong Wu, Bin Wang, Jean Ji
Filed Under: EAGE

Insights into the Tectonic Evolution andProspectivity of Madagascar Offshore Basins

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June 1, 2016
Author: Roel Dirkx, Felicia Winter, S. Musa, Richard Cooke, Ben Sayers, Jennifer Halliday, Erika Tibocha
Filed Under: EAGE

Adaptive Least-squares RTM for Subsalt Imaging

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June 1, 2016
Author: Chong Zeng, Shuqian Dong, Bin Wang, Zhigang Zhang
Filed Under: EAGE

Demultiple of High Resolution P-cable Data in theNorwegian Barents Sea - An Iterative Approach

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May 30, 2016
Author: Anthony J. Hardwick, Sindre Jansen, Bent Erlend Kjølhamar
Filed Under: EAGE

Shallow Water Multiple Elimination (SWME) onBroadband Data

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June 2, 2015
Author: Yongbo Zhai, Satyakee Sen, Zhaojun Liu, James Sheng, Bin Wang, Chong Zhan, Neil Hokanson, Sampad Laha, Lingxiao Zhang
Filed Under: EAGE

Broadband Processing of Variable-depthStreamer Data

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June 2, 2015
Author: Hassan Masoomzadeh, Anthony Hardwick, Simon Baldock
Filed Under: EAGE

Offset Dependent Picking and Image GuidedTomographic Modelling of Velocity Variationsover the Hoop Fault Complex

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June 2, 2015
Author: Matt J. Hart, O.A. Adewumi, Carl Lang, Guy Hilburn
Filed Under: EAGE

Triple-Source Simultaneous Shooting (TS3), AFuture for Higher Density Seismic?

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June 2, 2015
Author: Jan Langhammer, Pete Bennion
Filed Under: EAGE

Broadband Processing of P-Cable Data in theBarents Sea

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June 2, 2015
Author: Neil D. Ratnett, Peter Cox, Gboyega Adeloye, Tom Travis
Filed Under: EAGE

Seafloor Sampling of Frontier Basins forDetection of Active Hydrocarbon Systems andStratigraphic Tie

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November 24, 2014
Author: S. Polteau, S. Planke, A. Mazzini, Reidun Myklebust
Filed Under: EAGE

Full Waveform Inversion on Jackdaw OceanBottom Nodes Data in North Sea

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June 19, 2014
Author: K. Yoon, P. Moghaddam, I. Vlad, M. Warner, J. Sheng
Filed Under: EAGE

Broadband Processing of Slant Streamer Datafrom Offshore Tunisia

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June 19, 2014
Author: H. Masoomzadeh, A. Hardwick
Filed Under: EAGE

Deghosted Least-squares RTM - Image DomainBroadband Solution for Complex Structures

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June 19, 2014
Author: Shuqian Dong, Chong Zeng, Hassan Masoomzadeh, Bin Wang
Filed Under: EAGE

Enhanced 3D Imaging from 2D Seismic Data andits Application to Surveys in the North Sea

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June 13, 2013
Author: Wilfred Whiteside, Bin Wang, Helge Bondeson, Zhiming Li
Filed Under: EAGE

Seabed Sampling for Stratigraphy and Seep Studies Offshore Greenland and Norway

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June 13, 2013
Author: S. Polteau , S. Planke, R. Myklebust, Gulnara Hickman
Filed Under: EAGE

Practical Aspects of Least-squares Reverse Time Migration

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June 13, 2013
Author: S. Dong, S. Suh, B. Wang
Filed Under: EAGE

Broadband Processing of Conventional StreamerData - Optimized De-Ghosting in the Tau-P Domain

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June 13, 2013
Author: Hassan Masoomzadeh, Nick Woodburn
Filed Under: EAGE

Orthorhombic Imaging for Orthogonal WideAzimuth Surveys in Mississippi Canyon, Gulf ofMexico

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June 11, 2013
Author: Yang He, A. Gersztenkorn, S. Yang, Bin Wang, Xiang Xiao
Filed Under: EAGE

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

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May 11, 2011
Author: TGS
Filed Under: EAGE
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

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May 9, 2011
Author: TGS
Filed Under: EAGE
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

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