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Keywords: anomaly
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Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750607
... Seismic waveform inversion (WI) has been applied to high-resolution velocity model building at all scales, but how truthful are the amplitudes of velocity anomalies recovered in the WI models? Previous sensitivity analysis of WI has focused on estimating model uncertainties, understanding...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751620
... to carry out in the harsh environment of Western New York and have shown to be largely inefficient and ineffective. Similarly, piloted aeromagnetic surveys proved ineffective in collecting high-resolution datasets at to identify magnetic anomalies associated with remnant metal well casing of orphaned wells...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751658
... workflow american association anomaly csem energy 10 acquisition baraja-olalde klapperich davydycheva exploration geophysicist resistivity society time-lapse anomaly CSEM fluid monitoring methodology using real data examples. K. Strack1, D. C. Adams2, , C. Barajas-Olalde2, S. Davydycheva1...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3737503
... exploration airborne gravity gradiometry american association society exploration geophysicist figure 6 inversion applied geoscience gramian inversion international anomaly geophysics energy 10 3D joint Gramian inversion of airborne gravity gradiometry and magnetotelluric data for geothermal...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3737841
... The electromagnetic method has a proven physical basis and advantages in subsurface fluid detection. The result of fracturing operation can be evaluated by monitoring the electromagnetic anomalies from low-resistivity fracturing fluid before and after the fracturing and inferring the range...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745568
... gas, has stronger attenuation than water, such attributes can be used to distinguish the reservoir feature. Numerical tests on both synthetic and field data sets validate the feasibility of this study. reservoir characterization anomaly upstream oil & gas attenuation frequency american...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3745600
... of the velocity models are consistent with the geological structures inferred from surface mapping and drill-core data. Moreover, the tomographic images show some local high- velocity anomalies, interpreted as gabbroic lithologies hosting the targeted Cu-PGE mineralization, proving the ANSWT’s efficiency...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3750995
... and V S obtained from 3D FWI. reservoir characterization figure 3 anomaly upstream oil & gas full-waveform inversion international exploration geophysicist applied geoscience artificial intelligence coupling iteration american association hessian inverse energy 10 inversion...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751455
... reservoir characterization correlation inversion gravity inversion stratified gravity inversion boundary american association anomaly interface geometry correlation coefficient applied geoscience node geophysics sgi exploration geophysicist invert zhou energy 10 Triangular impulse tests...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751987
... association hydrocarbon energy 10 upstream oil & gas exploration geophysicist international algorithm anomaly inversion figure bachrach reservoir characterization substitution scenario applied geoscience exploratory prospect elastic impedance society Multidisciplinary seismic amplitude...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3741982
... “Pair beads” amplitude anomalies in subsurface carbonates are the accurate seismic images on uncollapsed caves in carbonate rocks. They have been observed in carbonates worldwide, related to large mud-losses in drilling and high flowrate in production, basically missed in reservoir studies due...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3743175
... it to an InSAR dataset from the San Joaquin Valley. The inversion residual analysis technique we invented shows that high spatial frequency anomalies can be used to identify shallow hazards. international exploration geophysicist displacement upstream oil & gas deformation american association...
Proceedings Papers

Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-w10-01
... in limestones, demonstrating a reliable modelling of both shallow and deep sources. upstream oil & gas workflow cross-gradient constraint gravity gradient anomaly structural geology international exploration geophysicist fedi geophysics reservoir characterization cavity applied geoscience...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581167
... shale gas applied geoscience data acquisition amplitude anomaly hydraulic fracturing anomaly spatial distribution fracture reservoir characterization upstream oil & gas equivalent apparent resistivity proppant source em method survey line hydraulic fracturing monitoring...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594976
... geoscience engineer operation artificial intelligence anomaly real time case study predictive analytics carbon emissions platform availability exploration geophysicist 10 inefficiency Case study: Machine learning-powered predictive analytics for reducing carbon emissions Philippe Herve...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-W6-01
... In 1971 there is an approach is proposed for the interpretation of magnetic anomalies caused by dipping dikes. Naudy (1971) developed an automatic depth estimation routine for application to magnetic profile data based on splitting anomalies into symmetric and antisymmetric components...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583605
... In this study, the Artificial Neural Network Regression technique has been applied for inversion of gravity and magnetic anomaly datasets. Using this technique, we have tried to find the unknown parameters of the causative source, i.e., density contrast, the radius of the buried structure...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583712
... velocity anomaly, over both the conduits and the In this study, we have examined and compared the utility of backfill. However, magnitude around the backfill area is Rayleigh and Love wave inversion to estimate shear wave higher than the conduits. In the Vs estimated from Love velocities by imaging two...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583581
... in a few speci c rank reduction, limiting the uncertainty characterization problem to aspects of the inversion that is important (for instance, con dence in a the best-constrained directions of model space. Thurin et al. (2019) in- recovered anomaly). A targeted uncertainty quanti cation, character- stead...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594627
.... upstream oil & gas magnetic signature exploration geophysicist 10 reservoir characterization magnetic data pyrrhotite sequence metals & mining susceptibility ribeiro-rodrigue susceptibility value structural geology anomaly quadrilátero ferrífero mina gerais brazil gold deposit gold...

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