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Technical Content

Industry Article
First Break | Edward Jarvis, Haoyi Wang, Jonathan Dietz, Thomas Van Der Looven ©2024 EAGE | February

This article discusses how machine learning and artificial intelligence methods can screen a large corpus of unstructured documents, locating and analysing core and thin section images for the purposes of porosity quantification, assignment of core and thin section scale sedimentary facies and the detection ...

Industry Article
GeoExpro | Roberto Juncken, Bruna Lyra, Mariano Gatti, Abraham Rodriguez ©2023 GEO EXPRO PUBLISHING AS | December

An increasing number of discoveries with high CO2 content offshore Brazil highlight a new exploration risk for the pre-salt play. New seismic data is fundamental to understanding deep geological features to address this risk. CGG’s Nebula-C data set provides images down to 20 km ...

Industry Article
First Break | Francis Richards, Mark Cowgill, Megan Rayner ©2023 EAGE | December

For subsurface commercial ventures or environmental projects that rely on maps of faulted horizons, accurate maps are fundamental. Fault topology provides an ideal tool for analysis of connectivity of fault systems. The data required to undertake the analysis is straightforward to extract from fault ...

Industry Article
First Break | Sylvain Masclet, Fang Wang, Guillaume Henin, Loic Janot, Olivier Hermant, Hao Jiang, Nicolas Salaun, David Le Meur, Daniela Donno ©2023 EAGE | December

Ocean Bottom Node acquisition is known to improve seismic velocity model building and imaging, especially for deep and complex targets. Due to cost considerations, OBN surveys are typically only acquired around the production field, using a relatively dense receiver grid. At the exploration phase ...

Industry Article
GeoExpro | Misha Isakov, Paolo Gabrielli, Shona Culwick, Emmanuel Nformi (CGG) ; Blanche Mahamat, Achta Boubakar, Christophe Atangana Ndende (Socitété Nationale des Hydrocarbures) ©2023 GEO EXPRO PUBLISHING AS | October

Offshore Cameroon is a proven petroleum province with commercial production from the Douala Kribi-Campo Basin (DKC) and the prolific Rio del Rey Basin (RDR). The recent joint cooperation agreement between Cameroon and Equatorial Guinea will lead to the development of the Yoyo and Yolanda ...

Industry Article
First Break | Vetle Vinje, Marit Stokke Bauck, Hao Jiang, Carsten Scholl, Steve Edwards, Sarah Hill, Federico Buriola, Richard Wombell ©2023 EAGE | October

We evaluate how two-dimensional (2D) seismic and controlled source electromagnetic (CSEM) imaging, both vintage and modern, might help improve geological understanding of, and exploration for, SMS deposits along part of the Mohns Ridge segment of the ultraslow-spreading Arctic Mid-Ocean Ridge. Mohns Ridge has been ...

Industry Article
The Leading Edge | Sam Buist, Li Jiang, Obi Egbue, Daniel Tebo, Luis Lopez, Zhiyuan Wei, Alex Hao2, and Chi Chen ©2023 SEG | August

The Atlantis Field has gone through more than two decades of continuous seismic imaging efforts, during which time many innovative technologies were incubated, the most recent one being the successful application of full-waveform inversion (FWI) in salt environments. This technique led to a significant ...

Industry Article
The Leading Edge | Hui Liu, Fran Rollins, Kevin Pratt, Elizabeth Da Silva, Nathalie Mootoo, Tongning Yang, Dorothy Ren, Fei Gao, and Jiawei Mei ©2023 SEG | August

The Gulf of Mexico (GoM) is one of the most prolific oil and gas producing provinces in the world. The Mad Dog Field, like many large deepwater fields in the GoM, is subsalt. The geometric complexity of the overlying salt causes extremely variable image ...

Industry Article
GeoExpro | Jaswinder Mann, Anna Rumyantseva, Idar Kjorlaug ©2023 GEO EXPRO PUBLISHING AS | May

The northern North Sea is a very active oil and gas exploration region, where several commercial discoveries have been made over recent years. The Late Jurassic sands are one of the major reservoir plays in the Northern Viking Graben. In recent years, the Late ...

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