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Technical Content

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Adrien Meffre, Vincent Prieux, Fang Wang, Sofia Mestiri, Matthieu Retailleau, David Le Meur, Abel Afonso Monteiro, Zied Bouzouita (CGG) ; Emma Tyler, Justin Vermeulen (OMV PETROM) ; Jozsef Orosz, Tunde Markos (OMV E&P) ©2022 EAGE | December

In this paper we will focus on the resolution of the strong imaging challenges of the area. First, we will show how the combination of Multi Wave Inversion (MWI), joint First Break (FB) and slope tomography, and Full Waveform Inversion enabled to construct a ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Thierry Coleou, Laurene Michou, Jean-Luc Formento, Thierry Crozat, Rachel Holley, Celine Lacombe (CGG) ; Aurélien Péjout ©2022 EAGE | December

Time series are analysed to detect changes and predict future behaviour. Monitoring of the surface or subsurface in Geoscience provides such time series. As new data becomes available, changes of regime are detected. They should be identified as early as possible with as few ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Peipei Deng, Yoong Ern Lee, Min Wang, Jingyu Li, Barry Hung (CGG) ; Minkyun Kim, Shinwoong Kim, Kyoung-Jin Lee, C. Jeong (SK Earthon) ; M. Li, J. He (CNOOC) ©2022 EAGE | December

Solving fault shadow imaging problems has been a long-existing topic when heavy faults are present and the seismic imaging underneath is distorted. With full-waveform inversion (FWI), they are usually less of a concern when their depths are within diving wave penetration. However, beyond diving ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Vivek Swami, Alina Abukarova, Fabien Allo, Gareth Rogers, Mark Cowgill (CGG) ; Khalid AL Rahbi, Rashid Al Harthy, Sumil Kumar Verma, Peter Zonjee (CCED) ©2022 EAGE | December

CCED is the operator of onshore blocks in the Sultanate of Oman. The blocks are located on the eastern flank of the Oman Salt Basin. Within the area of interest, the Barik, Al Bashair, Buah and Khufai Formations form the main oil and gas ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Chin Hang Lun, Thomas Hewitt, Song Hou ©2022 EAGE | December

Tables are ubiquitous in the geoscience industry, appearing in numerous documents and spreadsheets. They contain a wealth of data in a structured format which can help us understand the subsurface. However, the number of tables created over the years is huge and it requires ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Tim Whittle, Philippa Park, Carolina Coll ©2022 EAGE | December

Novel/Additive Information: The paper presents a simple and computational fast method to predict CO2 injectivity and well pressure as a function of time. The application of superposition in time - a method usually associated with solving linear problems - is demonstrated to adequately solve ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Gordon Poole, Zhaoyu Jin, Andrew Irving, Ramez Refaat ©2022 EAGE | December

Up-down deconvolution remains a powerful tool for the processing of ocean-bottom node data through its ability to efficiently attenuate free-surface multiples along with the source ghost and signature. Practical receiver-domain implementations in the frequency-wavenumber domain, however, assume layer-cake geology and can leave residual multiples ...

Technical Abstract
SEG workshop/forum/local conference | Zedong Wu, Zhiyuan Wei, Zhigang Zhang, Jiawei Mei, Rongxin Huang, Ping Wang ©2022 SEG | August

Recent advances in full-waveform inversion (FWI) algorithms have allowed it to work stably and effectively in different geological settings, especially in areas with geobodies of large impedance contrasts such as salt, despite its presently taken acoustic assumption. This has resulted in a leap in ...

Technical Abstract
SEG - Society of Exploration Geophysicists | Vivek Vandrasi, Zhihua Su, Shouting Huang, Yogesh Agnihotri, Sabaresan Mothi ©2022 SEG | August

Full-waveform inversion (FWI) has become the norm in velocity model building for different surveys from land to marine, and from streamers to ocean bottom nodes. FWI using wide-azimuth (WAZ) streamer data in areas with complex geologic settings can fall short of resolving the complexity ...