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Technical Content

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Thomas Latter, Marianne Gram-Jensen, Federico Buriola, Hung Dinh, Michael Faggetter, Richard Jupp (CGG) ; Mike Townsend, Nils Grinde, Grant Byerley, Coralie Mathieu (Neptune Energy) ©2022 EAGE | December

The Dugong area in the Norwegian North Sea was surveyed by North-South (N–S) orientated, variable depth streamer data, and recently, East-West (E–W) orientated triple source multi-sensor data. By reprocessing the original N-S data in combination with the E–W, we found that a combined dual-azimuth ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Thibault Lesieur, Geoffroy Pignot, Nadia Al Kiyumi, Jeremie Messud ©2022 EAGE | December

Convolutional-based neural network (CNN-based) architectures have shown promise in performing denoising tasks. However, it can be demonstrated that their predictions are of limited use for some tasks because they produce signal leakage. For these tasks, a possible improvement is to incorporate CNN-based architectures as ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Matthew Fry, Sijibomioluwa Badejo, Jamie Richardson (CGG) ; Kenneth Petersen, Holger Justwan (Hess) ©2022 EAGE | December

Over two million files, containing geochemical information, have been collected from tens of thousands of wells drilled during decades of exploration in the Gulf of Mexico (GOM) and are available to geoscientists in the public domain. While these files represent a vast knowledgebase covering ...

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
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 ...

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