... international annual international conference fourier neural operator tomography guanghui huang neural operator american association society nizar chemingui ramzi djebbi applied geoscience abstract energy 10 equation High resolution angle gather tomography with Fourier neural operators Sean...

... society araya-polo tomography constable university zhang Magnetotelluric inversion using supervised learning trained with random smooth geoelectric models Lian Liu*, Department of Earth and space Sciences, Southern University of Science and Technology; Bo Yang, Yixian Xu, School of Earth Sciences...

... must be taken into account. The elastic characteristics of rock samples may be precisely characterized using ultrasonic tomography technology, which can also be utilized to find interior flaws or heterogeneity. Full waveform inversion, nevertheless, has lately attracted more attention. We can build...

... weld ree deposit applied geoscience reflectivity hiseis pty ltd carbonatite american association metals & mining exploration geophysicist tomography carbonatite intrusive lyna rare earth ltd summary western australia Multi-scale insights into the Mt Weld REE deposit from 2D and 3D...

... subdiscipline exploration geophysicist heterogeneity geologist reservoir characterization exhibition tomography near-surface heterogeneity inversion extended abstract applied geoscience energy 10 slb-private society geology annual international conference american association sji eage Multi...

... Waveform Inversion (RFWI) to generate the synthetic data. We demonstrate the effectiveness of this approach through two onshore case studies, where significant improvements to the velocity and seismic imaging were achieved. asia government rfwi applied geoscience challenge geologist tomography...

... tomography potiguar basin Resolving geological complexity with legacy streamer survey: Potiguar 3D offshore Brazil case study Seet Li Yong*, Milos Cvetkovic, Terry Johnson, Boedi Soelistijo, Leon Ge, TGS Summary Many of the successful Full Waveform Inversion (FWI) examples involve long offsets and low...

... The conventional adjoint-state reflection traveltime tomography (ASRT) method based on the Eikonal equation is limited with respect to two aspects: the first is automatically picking the reflection traveltimes in the prestack seismic data, and the other is determining and updating the reflector...

... intelligence reservoir geomechanics inversion exploration geophysicist society calibration pressure prediction expanded abstract equation tomography international american association geophysics s-wave geological subdiscipline applied geoscience energy 10 shale background Pressure...

... geoscience society correction upstream oil & gas reservoir characterization exploration geophysicist energy 10 inversion annual international conference algorithm tomography le stunff pp-ps tomography registration displacement exhibition S-wave velocity model building using PP-PS...

... Imaging the spatial distribution and variability of the physical properties controlling subsurface fluid flow remains a fundamental geophysical challenge. Oscillatory hydraulic tomography is a minimally invasive hydraulic testing approach to image these hydraulic properties; however...

...., refraction tomography) is insufficient, as it does not provide the required lateral resolution. Using only reflection data is equally insufficient, as it does not provide the required vertical resolution. We present a tomographic approach for simultaneously resolving the shallow and deep subsurface...

... valley. This caused special challenges for the seismic data processing and pre-stack elastic inversion. We will be discussing these issues and how we solved them in this publication. inversion challenging acquisition applied geoscience spectra tomography acquisition exploration geophysicist...

... Using the time-shift fields from dynamic warping can potentially increase the resolution of the velocity tomography in reflection-based full waveform inversion (RFWI). However, procedures for pre-processing of the time-shifts, demigration of images and post-processing of RFWI kernels must...

... We apply an ambient noise surface wave tomography (ANSWT) to image geological structures in a mineral exploration site (Marathon deposit – Ontario, Canada). The passive data set was recorded continuously for 30 days, using 1024 vertical geophones deployed according to two overlapping grids...

... In seismic exploration, high-precision near-surface velocity model is required for real-surface migration imaging. And first arrival travel-time tomography with near-surface data constraints is a common method to establish near-surface velocity model. However, due to the sparse distribution...

... reservoir characterization international alkhalifah energy 10 probability tomography upstream oil & gas estimation applied geoscience perturbation shabelansky geophysics A depth uncertainty estimation system with pre-stack seismic data Huafeng Liu*, Andrey H. Shabelansky, Jinsong Chen, Min...

... model full-waveform inversion american association upstream oil & gas reservoir characterization workflow expanded abstract imaging frequency alejandro cabrale varga dmfwi inversion tomography applied geoscience reflection dmfwi energy 10 sheng Full-waveform inversion and FWI...

... A conventional approach to attenuation compensation for seismic imaging is to pick attenuated time t * from depth-migrated data and to invert t * in tomography for spatially varying Q. The drawbacks of the approach include workflow complexity and spectral distortions by depth migrations. We...

... the radiation patterns of different geophysical parameters, and separating the tomography and migration mode of WI in the wavenumber-domain. Few of the studies explore if the WI is equally sensitivity to high and low velocity anomalies, whereas nonlinear traveltime tomography (TT) is known to be more sensitive...