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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,630 documents.
Stress State Derived from Microseismicity Induced by Hydraulic Fracturing: Downhole and Surface Monitoring
Zuzana Jechumtálová, František Stanĕk, Leo Eisner, G.Randy Keller
Unconventional Resources Technology Conference (URTEC)
... mechanisms was developed in the early 1980’s (Gephart and Forsyth, 1984). Among the most prominent difficulties of such an inverse analysis were non...
2016
Subsurface seismic imaging using drill bit noise
Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... be either converted to inverse vertical seismic profile (IVSP) data and imaged following standard VSP migration methods (Poletto and Miranda, 2004...
2019
Groundwater applications of towed TEM in diverse geology at farm scale
David Allen
Petroleum Exploration Society of Australia (PESA)
... of transects cover an area then depth slices of resistivity may be mapped. Resistivity and Groundwater Resistivity responds linearly in an inverse manner...
2019
Fast self-supervised learning for reconstruction of 3D seismic data
Yinshuo Li, Wenkai Lu, We Cao
International Meeting for Applied Geoscience and Energy (IMAGE)
... ×Cout denote the convolution filters of gate extraction and feature extraction, while bg ∈ R1 , b f ∈ RCout are the bias parameters of them. Besides, G...
2024
Joint inversion of multi-height gravity and vertical gradient via physics-informed neural network
Yinshuo Li, Wenkai Lu, Cao Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... with a nonunique solution space. Existing 3D gravity inversion methods, both traditional and DL-based methods, inverse 3D subsurface density matrix from 2D...
2024
Petrophysical Big Data - case study from the Stavely Project, western Victoria
Phil Skladzien
Petroleum Exploration Society of Australia (PESA)
... gamma alternating between 2 cm and 10 cm sample intervals. Note the localised inverse correlation between magnetic susceptibility and electrical...
2019
Understanding Basement Controls on Basin Development: Constraints from Gravity and Magnetic Data.
Duncan R. Cowan, Linda A. Tompkins, Terry Tyler
Indonesian Petroleum Association
... of that body and that of the magnetic field is proportional to that body's magnetization. In exploration, concern is with the inverse problem of potential field...
2000
Overly steep decays in airborne TEM data and their link to chargeability: example from the Howards East District, NT, Australia
Klara Steklova, Ken Lawrie, Esben Auken, Anders V. Christiansen, Gianluca Fiandaca
Petroleum Exploration Society of Australia (PESA)
... and Haber (2018), the complex resistivity was replaced by a stretch exponential relaxation, thus making it possible to solve the forward and inverse...
2019
Multi-conditional seismic velocity synthesis using an autoregressive transformer network
Randy Harsuko, Shijun Cheng, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... in a generative model. These stored velocity model distributions can be utilized to regularize inverse problems, like full waveform inversion. However, most...
2024
Mapping the hydrostratigraphy and groundwater salinity of the Ord Bonaparte plains from AEM and NMR data
Kok Piang Tan*, Neil Symington, Chris Harris-Pascal, Larysa Halas, Ken Lawrie
Petroleum Exploration Society of Australia (PESA)
..., A., Nielsen, E., Effersø, F., Christensen, N.B. and Sørensen, K., 2015. An overview of a highly versatile forward and stable inverse algorithm for airborne...
2019
The Marchenko internal multiple elimination based on focal transform and its application on seismic data reconstruction
Zhen Liao, Xiaohong Chen, Wenjin Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... T signifies the matrix transpose. The inverse focal transform can be expressed as: P W T XW (2) Multi-layer focal transform employs the background...
2024
4D batch FWI Sampling the null-space and random matrix theory
Madhav Vyas, Simon Luo, Esteban Díaz
International Meeting for Applied Geoscience and Energy (IMAGE)
... multiplicative perturbation theory. Second, framing the inverse problem in batches can be effective in achieving optimal learning rates. There is a large body...
2024
Advances in seismic acquisition and processing technologies steered the success of exploration and development in Kuwait
Adel El-Emam
International Meeting for Applied Geoscience and Energy (IMAGE)
... with multiples (e.g. FWM), the potential of inverse scattering series for imaging without velocity model (Weglein, 2012) and multi-component acquisition...
2024
Regularization for full-waveform inversion by generative diffusion model with score distillation
Bingbing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... Inversion (FWI), and a realistic prior introduced by the regularization can assist in reducing the non-linearity and ill-posedness of the inverse...
2024
GAN-based priors for Bayesian inference of subsurface geology at large scale
Kevin B. Daly, Tuan A. Tran, Brent D. Wheelock, Grant J. Seastream
International Meeting for Applied Geoscience and Energy (IMAGE)
... the difficulty of the inverse problem by reducing its dimensionality. Finally, we augmented the stratigraphic training set, and therefore the GAN, with other...
2024
Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion
Md Iftekhar Alam, Salman Abbasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... accounts for backscattering and wide-angle effects. The focus of the inverse part in FWI method is to satisfy a convergence criterion. In this method...
2024
Towards wave-equation ambient noise tomography of a landslide: The Harmalière case study
Giuseppe Provenzano, Grégory Biévre, Romain Brossier, Stéphane Garambois, Ludovic Métivier
International Meeting for Applied Geoscience and Energy (IMAGE)
... inverse problem: Inverse Problems, 35, 085001, doi: https://doi.org/10.1088/1361-6420/ab206f. Nouibat, A., R. Brossier, L. Stehly, J. Cao, A. Paul...
2024
Application of generalized radon transform migration to crosswell seismic geometry
Shujaat Ali, Olga Podgornova, Takashi Mizuno, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... location (Krohn and Chen, 1992). To accommodate non vertical incidence P-waves, an (inverse obliquity) term needs to be additional 1/ applied to ௭ data...
2024
Clay-Mineral Segregation by Differential Flocculation: Jourdan River / St. Louis Bay Estuary, Hancock County, Mississippi
Gregory J. McRae , Jesse O. Snowden
GCAGS Transactions
... flocculation of suspended kaolinite has occurred where the kaolinite/illite ratio reaches its minimum. Bottom-sediment mineralogy shows an inverse...
1988
FWI uncertainty analysis with Stein variational gradient descent
Haoyang Cen, Kaihang Guo, Diancheng Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... Hamiltonian Monte Carlo: Journal of Geophysical Research: Solid Earth, 125, no. 3, e2019JB018428. Lailly, P., 1983, The seismic inverse problem as a sequence...
2024
Uncertainty quantification of single and multi-parameter full-waveform inversion through a variational autoencoder
Abdelrahman Elmeliegy, Mrinal Sen, Jennifer Harding, Hongkyu Yoon
International Meeting for Applied Geoscience and Energy (IMAGE)
...ed. Note that the VAE by construction filters out the noise while compressing the data which is evident in the results from the work by (Arnab and Sen 20...
2024
Raven Creek Field, Campbell County, Wyoming: Case Histories
C. E. Tranter, C. W. Kerns
AAPG Special Volumes
...-filtered trace then was deconvolved and displayed as the inverse-filtered trace of Figure 11. The comparison between the processed field trace...
1972
Integrating Model Uncertainties in Probabilistic Decline Curve Analysis for Unconventional Oil Production Forecasting
Aojie Hong, Reidar B. Bratvold, Larry W. Lake, Leopoldo M. Ruiz Maraggi
Unconventional Resources Technology Conference (URTEC)
... a distribution of interest with the consideration of uncertainties in measurements, inverse modelling 5, and model type. The latter will be detailed in the next...
2018
Seismic Stratigraphy of Eocene Beriun Sands of West Bungalun, East Kalimantan, Indonesia: A Contribution to the Paleogene Stratigraphical Knowledge of the Kutei Basin
Awang Harun Satyana, Elan Biantoro
Indonesian Petroleum Association
... shows an inverse velocity phenomena (fast to slow). These anomalous amplitudes and inverse velocity indicate that the Beriun Formation is dominated...
1996
Inversion of Salt Diapir and Sedimentary Bed Observations: A Gulf Coast Case History
K. Petersen, I. Lerche
GCAGS Transactions
...Inversion of Salt Diapir and Sedimentary Bed Observations: A Gulf Coast Case History K. Petersen, I. Lerche 1993 Vol. 43 (1993), An inverse...
1993