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Technical Content

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Song Hou, Henning Hoeber © 2020 EAGE | August

Deep convolutional neural networks (DCNNs) are growing their popularity in seismic data processing due to their previous achievements in signal and image processing. In this paper, we explore the link between DCNN and seismic processing. We use two examples to demonstrate the potential of ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Aurelie Bonin, Gareth Rogers © 2020 EAGE | August

This work investigates the potential of QEMSCAN in assessing the pore structure system. 23 carbonate and clastic samples are analysed using QEMSCAN, which shows a good assessment of the macropore system (pore larger than 10µm). It defines the macropore system volume and delivers pore ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Ivan Gregory, Zsofia Dobo, Farid Ebrahim, James Sinden (CGG) ; Peter McDonnell, Andrew J. S. Wilson (CNOOC International) © 2020 EAGE | August

Using a dense North Sea 4D dataset over the Golden Eagle field, we demonstrate the impact of OBN density on both the 3D and 4D seismic image by migrating progressively sparser node configurations. It is shown that 4D image quality is more sensitive to ...

Technical Abstract
EAGE - European Association of Geoscientists and Engineers | Vincent Prieux, Thomas Bardainne, Adrien Meffre, Herve Prigent (CGG) ; Franciscus Johannes Van Kleef, Muhammad Waqas, Lian Hou (ADNOC Offshore) © 2020 EAGE | August

Challenged by the presence of strong anisotropy and velocity reversal in the near-surface, we apply structurally constrained anisotropic Multi-Wave Inversion (MWI), over 1200 km2 of OBC data offshore Abu Dhabi. MWI aims at simultaneously inverting the P-wave first breaks (FB), the ground roll Dispersion ...

Industry Article
The Leading Edge | Daniela Donno, Mohammad Farooqui, Mostafa Khalil, David Mccarthy, Didier Solyga, Jillian Courbin, Anthony Prescott, Laurie Delmas, and David Le Meur ©2021 SEG | August

The near surface in the Middle East is characterized by the presence of very shallow fast carbonates and anhydrites interleaved by slow-velocity clastic layers, resulting in sharp velocity inversions. We present here examples from two case studies in the Sultanate of Oman using Multi-Wave ...

Industry Article
Hart Energy E and P Newsletter | Jimmy Ting, Akash Mathur ©2021 Hart Energy | June

This article discusses the importance of performing rock physics diagnostics in the context of rock texture and geological processes that lead to rock formation. This makes it possible to select the right physical rock physics model to perform the modeling and set the parameters ...

Industry Article
Geo Expro | Gregor Duval and Matthew Dack ©2021 GeoPublishing Ltd | June

The Central North Sea is a mature petroleum exploration province, with over 50 years of exploration to date. With increased maturity, recent exploration efforts have focused on the deeper targets below the Base Cretaceous Unconformity (BCU), where there is increased risk and often high-pressure ...

Industry Article
Geo Expro | Ellie Macinnes ©2021 GeoPublishing Ltd | June

While the subsurface geoscience skills required for geothermal exploration and development differ from those required for oil and gas, there are existing skills and technologies that are highly transferable. Moreover, as the shift for geothermal resources moves away from high-enthalpy areas and towards sedimentary ...