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SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy
September 26–October 1, 2021
Denver, Colorado, USA and online
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Day 1 Sun, September 26, 2021
Case Histories and Developments 1
HTD, high trace density seismic survey collects real data in the near offsets and tight spatial sampling in X, Y, Z and azimuthal domains for the purpose of determining accurate seismic attributes, elastic properties, and detailed geologic heterogeneities: Fasken C-Ranch and Mud City 3D survey, Permian Basin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594131.1
Big, beautiful signals at low frequencies
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584204.1
Sea trial of a low-frequency enhanced pneumatic source
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594214.1
Steering on grid: An efficient way to reduce infill rate for towed-streamers surveys
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582731.1
On the usage of direct measurements of water velocity in deep water OBN surveys
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583937.1
Case Histories and Developments 2
A field experiment of anti-harmonic sweep for reducing low-frequency harmonic distortion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581183.1
Impact of nonimpulsive moving source correction for structural and 4D imaging
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594448.1
Improved operation efficiency and reduced risks by introducing state-of-the-art barnacle mitigation tools
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583334.1
Marine Seismic Acquisition
Combining nodes and streamers to tackle the imaging challenges of salt basins in the Barents Sea
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594693.1
Practical considerations on planning, acquiring, and deblending a 3D triple-source survey
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582220.1
Exploring the full potential of a sparse nodes survey in the western Gulf of Mexico
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584248.1
Signal-apparition simultaneous source acquisition: Results from a penta-source towed marine test
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3591255.1
Maximizing quality and efficiency of multisensor streamer seismic with an ultra-wide penta-source configuration
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594224.1
A deca-source towed marine test — An innovative and efficient design
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594454.1
Marine vibrator array design: An OBS example
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580742.1
Effects of dimensionality of transform domain on multiple stages source separation with prior
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584184.1
Land and Ocean-Bottom Seismic Developments
Sparse OBN image improvements by correction for acquisition errors
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583604.1
A solution to the demonstration of geometry repeatability
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580596.1
Which sensor for nodal seismic: Recording acceleration or velocity?
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583516.1
Servovalve improvements for seismic vibrators
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594523.1
OBN acquisition data segmentation and QC techniques
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583174.1
Developments in Acquisition 1
Optimizing seismic land acquisition and processing for surface scattering noise
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594534.1
Two-stage sampling — A novel approach for compressive sensing seismic acquisition
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594989.1
Empirical analysis of compressive sensing reconstruction using the curvelet transform: SEAM Barrett model
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3595031.1
Optimization and Case Histories
An objective function optimization method based on multifrequency wavelets for receiver combination in seismic acquisition
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583209.1
Study of the influence of key acquisition parameters on seismic imaging based on geometry degradation of marine seismic data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583354.1
A case study of 3D geometry design technique based on seismic illumination analysis in eastern Sichuan region
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581212.1
The wide azimuth seismic exploration technology for fractured reservoir and its application in deep buried hill exploration of BZ 19-6
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583800.1
Q-value survey technology and case study of low-velocity layer in desert area of Tarim Basin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583377.1
Developments in Acquisition 2
A practical workflow for land seismic wavefield recovery with weighted matrix factorization
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594419.1
Blended acquisition with temporally signatured/modulated and spatially dispersed source array: Relationship between acquisition productivity and processing performance
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581652.1
Theory, Full-Waveform Inversion, Well Logs, and Field Data
Source-independent time-lapse full-waveform inversion for VTI media
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580136.1
Application of VVAz and AVAz inversion based on wide-azimuth seismic data for fracture characterization of a deep Archaean buried-hill reservoir in Bohai Sea
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594616.1
Slowness vector and ray velocity magnitude from ray direction in TTI media
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583619.1
Extension of the kinematic approximations to the multilayered elastic orthorhombic medium
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580599.1
Inversion of seismic amplitudes for layer-weakness and attenuation factor
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583367.1
Geomechanical characterization of igneous intrusion for successful well testing
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582023.1
TI anisotropy characterization on basis of sonic data sets from multiple wells: A Norwegian Sea case study
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594232.1
Azimuthal Fourier coefficients inversion for effective stress parameter and fracture parameters
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3593922.1
Algorithms, Methodology, and Case Studies 1
Prestack least-squares reverse-time migration for elastic property estimation
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580936.1
Lateral constraint with adaptive incremental Kalman filter in Bayesian linear AVO inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594250.1
Direct probabilistic inversion: Improving reservoir characterization in a southern Alberta oil play by injecting geology back into geophysics
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3595056.1
The value of PS seismic and nonlinear inversion for reservoir characterization: Oseberg South North Sea case study
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3579970.1
Algorithms, Methodology, and Case Studies 2
Amplitude versus angle (AVA) using controlled-order multiples
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581132.1
Frequency-dependent AVO attributes for fluid saturation and thin-bed mapping
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582997.1
Stochastic simulation and inversion method based on random medium theory and gradual deformation algorithm
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583309.1
Modified basis pursuit seismic reflectivity inversion: Gulf of Mexico example, South Pelto block
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594546.1
Impact of joint PP/PS inversion on shear-impedance estimation for exploration and production
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3579873.1
Algorithms, Methodology, and Case Studies 3
P-wave reflectivity parameterization for HTI medium with the effect of horizontal stress
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3575986.1
Colored inversion in depth domain
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3577157.1
Multisensor, multiazimuth quantitative interpretation: A South Viking Graben case study, Norway
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583975.1
Algorithms
Inversion comparison using an elastic local solver to recover elastic parameters
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3564832.1
Domain adaptation-based acoustic impedance estimation with seismic data constraint
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594199.1
A new expression for fluid factor using AVO intercept and gradient
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3575102.1
Preliminary AVO analysis results of the southern Hikurangi subduction margin: Insights into fluid and pressure regimes
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583222.1
An novel prestack basic pursuit seismic inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3577860.1
Algorithms, Case Studies and Methodology 1
Technology and application of thin reservoir prediction shielded by strong seismic energy caused by coal seams
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581910.1
A method of sparse inversion technique based on compressed sensing theory for improving the seismic resolution: A case of thin-interbed reservoirs identification from Bohai Bay, China
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582702.1
Porosity, shale content, and permeability prediction based on prestack multiparameter inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583466.1
Seismic inversion method of prestack waveform of isotropic elastic medium and its application for exploration targets of shale reservoir
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583355.1
Bayesian nonlinear rock-physics inversion for reservoirs with complex pore structure based on elastic impedance
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3590593.1
Algorithms, Case Studies and Methodology 2
Regularized amplitude inversion using kernelized Stein discrepancy
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584339.1
Petrophysical AVO inversion based on the Xu-White model with spatially varying pore aspect ratio
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581298.1
Optimizing elastic impedance inversion for sand prediction in Western Desert (Egypt)
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582960.1
Applications of prestack seismic inversion on a Silurian pinnacle reef gas storage reservoir for enhanced geologic interpretations
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594319.1
Advances in Borehole Geophysical Methods 1
2D simultaneous inversion for resistivity and dielectric constant using ultra-deep electromagnetic logging-while-drilling measurements
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584643.1
Convolutional neural network for guided-wave energy identification in microseismic DAS data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3573385.1
Transforming the near-bit sensor into a reliable pilot for seismic while drilling
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3578452.1
Shear-wave sonic imaging using matched filter for waveforms acquired by slim dipole tool
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581352.1
Automated detection of bad borehole sections and evaluation of log quality using Toeplitz Inverse Covariance-based Clustering
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581438.1
LWD monopole processing with an adaptive tool-borne wave predictor
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583938.1
Near-wellbore hydraulic fracture connectivity inferred by tube waves in DAS perf shot records
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582962.1
Semi-continuous electrical resistivity tomography monitoring for CO2 injection at the CaMI Field Research Station, Newell County, Alberta, Canada
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582666.1
Advances in Borehole Geophysical Methods 2
Influence of eccentricity/tilted sonic logging tool on dispersive wave
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583958.1
Presence of an intense reflector at 2.8 km depth revealed by the enhanced borehole DAS seismic study in the Ohnuma geothermal field in Honshu, Japan
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3579752.1
Advances in Borehole Geophysical Methods 3
Numerical simulation study on transient electromagnetic logging detection characteristics and influencing factors
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580895.1
A nonstationary interferometry approach and its application to borehole acoustic logging
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583146.1
Analysis of borehole radar logging signal using short-time Fourier transform
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3569993.1
Monitoring in Unconventional Reservoirs
Reverse-time imaging of DAS microseismic data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3593211.1
Image-based fracture hit warning system with distributed acoustic sensing
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3587266.1
Near-field strain of microseismic events in downhole DAS data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582141.1
Estimation of DAS microseismic source mechanisms using unsupervised deep learning
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3592849.1
Advances in Processing and Acquisition 1
Amplitude-based DAS logging: Turning DAS VSP amplitudes into subsurface elastic properties
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3579450.1
Anisotropic imaging and AVA inversion of DAS data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594034.1
Benchmarking DAS VSP migration methods with geophone VSP migration: Case study for the generalized Radon transform migration
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583658.1
Processing of a large offshore 3DVSP DAS survey in a producing well
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594397.1
Active source DAS data acquisition using existing seafloor cables
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582649.1
Advances in Processing and Acquisition 2
Realistic modeling of surface seismic and VSP using DAS with straight and shaped fibers of variable gauge length
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3576626.1
Multicomponent DAS sensing: Time-series strain-rate tensor estimation from fiber data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583573.1
Estimation of Rayleigh to Love waves ratio from ambient noise recorded by DAS
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3585407.1
Reservoir Characterization and Low-Frequency Distributed Acoustic Sensing
Automatic fracture hit detection in low-frequency distributed acoustic sensing using a computer vision workflow
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583227.1
Analysis of cross-well fracture hits in DJ Basin, Colorado using low-frequency DAS data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582658.1
Reservoir characterization using DAS microseismic events
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583216.1
Compensation of the temperature effect on low-frequency DAS measurements: Case study of the water injection at the Otway site
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584087.1
Distributed Sensing Signals from Modeling to Acquisition
Recording subsea VSP from your home office: Ultra-long stepout acquisition using DAS
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581334.1
4D DAS fiber-coupling effects in freezing near-surface ground conditions
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582508.1
A comparative study of data from different DAS interrogators
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594943.1
Least-squares DAS to geophone transform
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594961.1
Optimal acquisition parameters for smart DAS uphole survey in a desert environment
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3567899.1
Monitoring and Interpretation 1
The feasibility of MT tipper data to monitor CO2 storage sites
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582538.1
Using controlled-source electromagnetic (CSEM) for CO2 storage monitoring in the North Dakota CarbonSAFE project
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3585379.1
A fast integral equation method for electromagnetic modeling of the energized casings and reservoir fluids in layered formations
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3590214.1
3D inversion of field electromagnetic data contaminated by well casing effects
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583638.1
Ocean-bottom multiphysics — Path to superior reservoir monitoring
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594698.1
Monitoring and Interpretation 2
The use of controlled source EM method to monitor hydraulic fracturing
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581167.1
Application of dictionary learning in marine CSEM denoising
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583419.1
3D finite volume modeling of steel casings in controlled source electromagnetic surveys using the concept of edge conductivity
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3587537.1
VTI, HTI, TTI and combination of symmetries: Electrical anisotropy and its impact in unconventional reservoirs
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583981.1
Modeling and Analysis
Multiscale parallel simulation of arbitrary waveforms for time-domain electromagnetic data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594999.1
Seismoelectric numerical modeling in 3D orthorhombic poroelastic medium
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581174.1
Using low-wavenumber information in crosshole GPR FWI by considering angle difference identity with cosine approach: A synthetic study
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583856.1
Vertical CSEM added to the multiphysics toolbox for derisking: The Grind case
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594668.1
Deep network based geosteering inversion with cross-gradients
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583460.1
Case Studies 1
Case study of facies-based FWI for transversely isotropic media
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3568032.1
Paradigm shift: Recent advances in model building and imaging at Shenzi
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580654.1
Simultaneous inversion of velocity and reflectivity
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594405.1
Adaptive reflection waveform inversion: Faster, tighter, deeper, smarter
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594686.1
Case Studies 2
Learnings from an FWI imaging study using 3D and 4D data over a postsalt field in Campos Basin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3588114.1
Imaging the complex geology in the Central Basin Platform with land FWI
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583769.1
Improving seismic images for frontier exploration in East Coast Canada: Lessons learned
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3587233.1
Correcting severe image distortion via multiazimuth FWI in offshore Senegal
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582600.1
Near-surface S-wave velocity and attenuation structure from full-waveform inversion of distributed acoustic sensing data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594244.1
Shear-wave velocity update using PS reflection FWI for imaging beneath complex gas clouds
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583371.1
Elastic full-waveform imaging of critical zone
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583990.1
4D FWI using towed-streamer data: A case study near Laverda oil field
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582747.1
Elastic Full-Waveform and Field Applications
Target-oriented elastic full-waveform inversion: Deep-water ocean-bottom-node field-data application
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3580825.1
Multimode wave-equation-based Scholte wave inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594533.1
Elastic full-waveform inversion of VSP data from a complex anticline in northern Iraq
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582871.1
Viscoelastic full-waveform inversion with spatial probabilistic petrophysical constraints
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582991.1
Complete full-waveform inversion solution to model building: A Perdido regional case study
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583696.1
An evolving full-waveform inversion earth model building workflow for the recent acquisition of the Campeche shallow water region
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583785.1
Application of full-waveform tomography on deep seismic profiling data set for tectonic fault characterization
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583190.1
Elastic full-waveform inversion with rock-physics constraints
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594471.1
Learning and New Development
Reflection FWI with an augmented wave equation and quasi-Newton adaptive gradient scheme
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582659.1
Misfit functions based on differentiable dynamic time warping for waveform inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583403.1
A tunneling approach for clustered priors in full-waveform inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583594.1
FWI imaging: Revealing the unprecedented resolution of seismic data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583772.1
Full-waveform inversion using adaptive quasi-Newton optimization
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3593347.1
Tomographic waveform inversion (TWI)
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594136.1
Waveform inversion for shear velocity and attenuation via the spectral-element adjoint method
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581151.1
Land full-wavefield inversion for addressing complex near-surface challenges in the Delaware Basin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594001.1
Ocean-Bottom Nodes
Regional-scale FWI of wide-angle OBN data from a crude initial model using graph-space optimal transport
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3577774.1
Multiscale q-FWI applied to circular shot OBN acquisition for accurate presalt velocity estimates
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581021.1
Simultaneous source full-wavefield inversion with OBN data in the Gulf of Mexico
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582060.1
Sparse-node regional study from acquisition to imaging
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583372.1
Solving subsalt imaging challenges in Green Canyon using OBN and FWI imaging
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583443.1
Ocean-bottom-node full-wavefield inversion for subsalt imaging: A case study from Gulf of Mexico
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583609.1
Leveraging FWI, multiazimuth tomography, and OBN data to improve the earth model — A case study from deepwater Gulf of Mexico
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594295.1
Assessing sparse-node geometries with full-waveform inversion for a deep water play in Santos Basin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594936.1
Inversion Algorithms
ADMM-based full-waveform inversion with unknown source signatures
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3579803.1
Newton-type inversion for source signature and medium parameters
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581908.1
A trust-region Newton method for frequency-domain full-waveform inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581935.1
Null-space shuttles for targeted uncertainty analysis in full-waveform inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583581.1
A hybrid optimization method for full-waveform inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594393.1
Cloud, Machine Learning, and Computation 1
Dual variable compression: Remedy the memory issue of full-space approaches for full-waveform inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583112.1
Efficient progressive transfer learning for low-frequency reflection seismic data prediction
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594767.1
Hyperwavve: A cloud-native solution for hyperscale seismic imaging on Azure
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594908.1
Cloud, Machine Learning, and Computation 2
Ultra-low memory seismic inversion with randomized trace estimation
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584072.1
Chevron optimization framework for imaging and inversion (COFII) — An open source and cloud friendly Julia language framework for seismic modeling and inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594362.1
Cycle-skipping 1
Pseudotime domain joint diving-reflected FWI using graph-space optimal transport
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583318.1
Clarifying some issues on extended FWI: Scattered-field equation, time reversal, and source location
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583961.1
A data reconstruction inversion approach to extended FWI
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594635.1
Cycle Skipping 2
New insights on the graph-space optimal transport distance for full-waveform inversion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583678.1
FWI in extended domain using time-warping
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594800.1
Novel Approaches and Workflows
Tomography-mode full-waveform inversion with structural shaping regularization
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581648.1
Q estimation by full-waveform inversion: Analysis and misfit functions comparison
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583286.1
3D fluid-solid coupled full-waveform inversion for ocean-bottom seismic data
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583300.1
Time-frequency-domain full-waveform inversion using a normalized source
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594666.1
A robust 3D anisotropic full-waveform inversion strategy for complex salt provinces
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584006.1
Geophysicists for the Future
Does geophysics have a future and if yes, what is it?
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594979.1
From resources management to sustainable development: A discussion on the role of SEG Oil and Gas Reserves Committee
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583693.1
“Hands-online” geophysics field camp: A virtual experience and new reality
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583731.1
Building an in-house seismic technology team during an industry downturn
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582416.1
The future of cross-functional technical training
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594956.1
Interpretation 1
Quantifying land subsidence in the Coastal Bend of Texas using temporal gravity measurements
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594938.1
Mapping the salt structures from magnetic and gravity gradiometry data in Nordkapp Basin, Barents Sea
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583664.1
Reduction to the pole and equator for interpretation over large areas
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3590233.1
Seafloor 4D gravity sensitivity analysis of a deep-water Brazilian oil field
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581276.1
Groundwater monitoring and characterization by a vertical dipole of superconducting gravimeters in a karst aquifer, France
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582839.1
Interpretation 2
Detection and extraction of geophysical features associated with carbonatites and alkaline complexes
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582301.1
3D characterization of the magnetic response of the Aimorés Intrusive Complex (Brazil) aiming to identify similarities with impact craters
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594763.1
3D fault network derived from gravity: Australia and Algeria
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594753.1
Inversion and Data Conditioning 1
Research on the magnetic structure of the South China Sea based on the three-dimensional magnetic inversion with variable inclination and declination
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594634.1
Two-step approach to 3D gravity inversion: Case study in the State of Utah
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594481.1
Uncertainty analysis of 3D geophysical inversion using airborne gravity gradient data conditioned on rock sample measurements
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3586552.1
Inversion and Data Conditioning 2
Geophysical data gridding: New insights from the Taylor series expansion
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3584262.1
A universal inversion framework for arbitrary regularizations based on the alternating direction method of multipliers
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583950.1
New Approaches
Inversion of magnetic and gravity anomaly using artificial neural networks
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583605.1
Unsupervised boundary analysis of potential field data: A machine learning method
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594444.1
A supervised learning method to estimate basement depth from potential fields
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581973.1
3D inversion of potential field data based on fully convolutional networks
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583288.1
A new method to estimate the total magnetization direction from magnetic anomaly
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583434.1
Machine Learning in Assisting Seismic Interpretation
Fault interpretation of listric faults in the Gulf of Mexico to train CNN fault prediction — A case study of human interpretation vs automatic fault interpretation
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594958.1
Seismic attributes and machine-learning estimates: A cautionary tale for interpreters
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3592874.1
Assisted fault identification and surface extraction by machine learning — A case study from Oman
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581804.1
Fault surface objects from fault probability volumes using active contours
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3581137.1
Improving the delineation of Lower Tertiary and Mesozoic sections through the integration of seismic and gravity data, examples from south Perdido fold belt
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3586323.1
Facies control on machine learning of acoustic impedance
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3574779.1
Using relative geologic time to constrain seismic facies classification using neural networks
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3582241.1
High-resolution sequence stratigraphy and multiple attributes analysis of the Bone Spring turbidite system, northern Delaware Basin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594951.1
Unconventional Reservoir Characterization
Application of high-definition maximum positive and negative curvature in fault opening description of shale oil reservoir in Jimsar Sag, Junggar Basin, Xinjiang
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3594184.1
Seismic characteristics and prediction of tight clastic oil in Yanchang Formation, Ordos Basin, NW China
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, Denver, Colorado, USA and online, September 2021. doi: https://doi.org/10.1190/segam2021-3583219.1