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©2021 CGG | October

Preserve the geological and seismic detail in your static model during history matching, assess uncertainty and reduce time spent on manual model updates with this innovative and efficient ensemble-based multi-scale data-driven approach.

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©2021 CGG | October

Get more geological detail into your static models and assess uncertainty with a full range of stochastic model realizations using this innovative ensemble-based petrophysical inversion workflow

Industry Article
The Leading Edge | Fabien Allo, Jean-philippe Coulon, Jean-Luc Formento, Romain Reboul (CGG) ; Laure Capar, Mathieu Darnet, Benoit Issautier, Stephane Marc, Alexandre Stopin (BRGM) ©2021 SEG | October

Deep neural networks are used to characterize the porosity and permeability of the Dogger formation north-east of Paris, France, that already hosts a number of geothermal plants and is set to become even more important with the transition toward renewable energies. Due to the ...

Industry Article
The Leading Edge | Henning Hoeber ©2021 SEG | September

This paper shows how to calculate the bias due to misspecified models in least-squares parameter estimation. It introduces Omitted Variable Bias (OVB), a technique well known in least-squares analysis in the context of econometric data analysis. OVB is applied to the analysis of linearized ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Helene Toubiana, Guillaume Gigou, Jean-baptiste Mitschler, Nicolas Salaun © 2020 EAGE | August

Over the past 35 years, geothermal projects have been developed in Upper Rhine Graben (URG) to exploit deep geothermal energy. Below a couple of kilometers of sediment, the deep target consists of granitic basement, highly fractured and hydro-thermally altered, having a high reservoir potential ...