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Keywords: seismic inversion
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Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101418
... Two different methodologies using model-based seismic inversions, with their respective reservoir characterization workflows, have been successfully applied to two strategic offshore fields in south-east Mexico, both covered by the same wide-azimuth multi-component seismic data (PP-PS...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091663
... Seismic inversion is the numerical process of creating a volumetric representation of one or more subsurface geological properties from elastic waves recorded at the surface of the Earth. As such, it is widely utilized in the energy and construction sectors for applications ranging from oil...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093473
... fully proved. inversion depth domain exploration geophysicist seismic record seismic model seismic inversion algorithm foreground black curve geology wavelet applied geoscience & energy 10 depth-domain seismic inversion geologist reservoir characterization seismic wavelet...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093660
... to achieve more accurate inversion. petroleum geology inversion seismic model artificial intelligence risk and uncertainty assessment reservoir characterization geological subdiscipline economic geology applied geoscience seismic inversion geologist risk management machine learning...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093838
.... Recent studies have begun exploring the application of quantum computing methods to simplified versions of seismic inversion problems, underscoring the technology’s capability to address real-world inverse problems. The primary aim of this study is to tackle a realistic, scalable, and business-relevant...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4099438
... In principle, Bayesian inference is a robust way to simultaneously incorporate prior knowledge and quantify uncertainty during a physics-based inversion like seismic inversion. In practice, Bayesian methods can be computationally costly, requiring many evaluations of the forward model...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4099716
... Seismic inversion is the primary approach for converting seismic images into geophysical property models for subsurface interpretation and reservoir characterization; however, the traditional workflow is complicated and requires massive computational resources and human supervision. Here we...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3910985
... estimation equation millero modeling exploration geophysicist lateral resolution society china sea optimization american association chakraborty energy 10 applied geoscience adam optimization seismic inversion Estimation of ocean-water temperature and salinity from marine seismic data...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3911998
... geophysicist porosity seismic inversion baseline seismic invertible neural network noise Estimating CO2 saturation and porosity using the double difference approach based invertible neural network Arnab Dhara*, ,Mrinal K. Sen, Sohini Dasgupta, University of Texas at Austin SUMMARY Accurate monitoring...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3908599
... We develop an acoustic impedance multi-channel inversion constrained by spatial reflection features to improve the stability and continuity of seismic inversion in complex geology. Conventional multi-channel inversion usually adopts seismic trace rearrangement to take into account the lateral...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3898594
... We consider the problem of 3D seismic inversion from prestack data using a very small number of seismic sources. The proposed solution is based on a combination of compressed sensing and machine learning frameworks, known as compressed learning (Calderbank et al., 2009; Calderbank...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3907037
... the desired characteristics and outperforms UNet with a 2× higher throughput for the presented DL-driven Seismic Inversion example. Additionally, our proposed architecture is 7× leaner in terms of the number of parameters. Despite its limited capacity, it can match the accuracy of UNet for the task at hand...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3909788
..., setting the stage for further enhancements and applications inversion application exploration geophysicist volve dataset upstream oil & gas geological subdiscipline applied geoscience american association society seismic inversion geologist reservoir characterization international...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751666
... learning inversion reservoir characterization coefficient artificial intelligence dipole dictionary dictionary coefficient exploration geophysicist biswa reflectivity dictionary learning architecture american association seismic inversion international equation decoder baylor university...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3737749
... Seismic inversion is the leading method to map and quantify changes from time-lapse (4D) seismic datasets, with applications ranging from monitoring of hydrocarbon-producing fields to carbon capture and sequestration. Time-lapse seismic inversion is however, a notoriously ill-posed inverse...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3739686
... of 4D seismic include: 1) the long cycle time required for 4D inversion for reservoir property changes; 2) lack of vertical resolution from map-based approach; 3) inadequate handling of uncertainties. Given the inherit non-uniqueness of seismic inversion, it is better to provide multiple solutions based...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3739426
... to describe complex geophysical processes and establish connections between different geophysical data. However, for the geophysical inherent problems, it is usually difficult or impossible to be solved only by a deep learning approach. Taking the multi-solution problem of seismic inversion as an example, we...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745542
..., seismic data has a weak response to the subtle change of reservoir parameters, such as Vs and ρ. The architecture of U-net with contracting path first and then expansive path is tend to ignore these weak features. According to the characteristics of pre-stack seismic inversion (large amount data and few...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3727917
... containment information integration american association dataset containment assessment seismic inversion society software engineering climate change integrated workflow applied geoscience energy 10 Integrated workflow for characterization of CO2 subsurface storage sites Noémie Pernin, Cyrille...

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