1-20 of 260
Keywords: seismic inversion
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
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-2023-3908599
... 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-2023-3911998
... 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-2023-3909788
..., 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 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 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-2022-3727917
... 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...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3730701
... Data-driven seismic inversion techniques are often used for determination of subsurface properties. Employing the acoustic or elastic wave equation, inversion starts with approximate estimates of subsurface parameters, which are typically updated in iterative fashion. We propose a two-stage...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750122
... seismic inversion lpe society We present the estimation and comparison of the lithology/fluid classes using two approaches; Conventional Lithofacies estimation and Litho-Petro-Elastic Inversion (LPE) in shallow offshore Mexico. Conventional lithofacies estimation uses petrophysical/rock physics...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751329
... to the depth-domain seismic inversion. To carry out seismic inversion in depth domain, we propose a strategy that attains direct inversion. The proposed method integrates the step of depth-time-depth transform and of inversion, and therefore it can directly invert the acoustic impedance from the depth-domain...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751419
... Seismic inversion is generally carried out by iterative data fitting in which the model updates are evaluated by solving the corresponding physics-based forward modeling. Local optimization methods are commonly used for finding an optimal model. Care must be taken to account for the ill...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751146
... a workflow for simplified probability calculations using a facies-based seismic inversion, which is appropriate for the case of a thin reservoir relative to the seismic wavelength. The method is applied to evaluate both uniform and patchy saturation models over part of an active CO 2 flood at the Weyburn...
Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751503
...-physical seismic inversion is an example of a knowledge network. The full knowledge network for the static reservoir involves data constraints from seismic, well-logs, and optionally gravity and CSEM data. The knowledge network for the dynamic reservoir involves data constraints from production history...
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...

Product(s) added to cart

Close Modal