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The AAPG/Datapages Combined Publications Database
Showing 2,053 Results. Searched 200,619 documents.
Petrophysics of Oil Reservoirs in the Eromanga Basin, South Australia
D. I. Gravestock, E. M. Alexander
Petroleum Exploration Society of Australia (PESA)
... that these effects were greater at elevated temperature. Two schematic conductivity curves are shown in Figure 3; each has an initially nonlinear portion...
1989
Machine learning-based residual moveout picking
Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja
International Meeting for Applied Geoscience and Energy (IMAGE)
... Adler, F., R. Baina, M. A. Soudani, P. Cardon, and J.-B. Richard, 2008, Nonlinear 3D tomographic least-squares inversion of residual moveout in kirchhoff...
2022
ERT and crosswell EM imaging of CO2: Examples from a shallow injection experiment at the Carbon Management Canada CaMI FRS in Southeast Alberta, Canada
David Alumbaugh, Michael Wilt, Edward Nichols, Evan Um, Marie Macquet, Donald C. Lawton, Dennis Rippe, Kerry Key, David Myer
International Meeting for Applied Geoscience and Energy (IMAGE)
....: Liu, J., A. Abubakar, T. Habashy, D. Alumbaugh, E. Nichols, and G. Gao, 2008, Nonlinear inversion approaches for cross-well electromagnetic data...
2022
3D density imaging of cosmic-ray muography with adjustable angular resolutions
Chenyan Wu, Dikun Yang, Zhongchang Chen, Ke Wang, Tao Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... is a nonlinear process, whereas the calculation of opacity from a density model is linear. Therefore, the observed muon flux values in the field are often...
2022
High-resolution seismic monitoring insights on stress and fault orientations in the Delaware Basin
Adam M. Baig, Aaron Booterbaugh, Sepideh Karimi
International Meeting for Applied Geoscience and Energy (IMAGE)
... in a nonlinear optimization problem involving a three-dimensional velocity model. These locations are refined by consistent repicking implemented...
2022
Reducing seismic quantitative interpretation uncertainty in complex geological environments: A case study from offshore Australia
Andrea Paxton, Lianping Zhang, Abdul Kholiq, Lee Davey, Richard Bisley, Dominic Fell, Leo Leon, James Shadlow
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.1190/tle33030266.1. Bachrach, R., 2018, Nonlinear Single loop litho-petro-elastic prestack inversion using data assimilation techniques: 80th Annual...
2022
Q-LSRTM using viscoacoustic VTI wave equation based on the nearly constant Q model
Zhang Shan-Shan, Gu Bing-Luo, Li Zhen-Chun
International Meeting for Applied Geoscience and Energy (IMAGE)
... are obtained by numerical simulation of equation (3) and are used for migration. In the Q-VTILSRTM process, the nonlinear conjugate gradient method is used...
2022
Retrieving high-resolution acoustic impedance using full-waveform inversion in presalt reservoir setting, offshore Brazil
Akshat Abhishek, Alok K. Soni, Rene-Edouard Plessix, Martijn Blaauw, Jaydip Guha, Gautam Kumar
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Tarantola, A., 1986, A startegy for nonlinear elastic inversion of seismic reflection data: Geophysics, 51, 1893–1903, doi: https://doi.org/10.1190/1...
2022
Incorporating Secondary Information Using Direct Sequential Cosimulation
A. Soares, J. A. Almeida, L. Guerreiro
AAPG Special Volumes
... a nonlinear function, , is used to obtain the local intervals of the global CDF, the expectation of zs(xu) may not be equal to z(xu)*. In other words, E{ys...
2006
A New Method for Handling the Nugget Effect in Kriging
K. Krivoruchko, A. Gribov, J. M. Ver Hoef
AAPG Special Volumes
... and measurement error of the nugget effect to be specified for linear kriging methods (i.e., for simple, ordinary, and universal kriging). Nonlinear kriging...
2006
Brazos A-105 D-Sand Reservoir Modeling by Integration of Seismic Elastic Inversion Results with Geostatistical Techniques
W. Xu, K. Wrolstad, D. Kramer, P. Dooley, K. Domingue, D. T. Vo
AAPG Special Volumes
... the nonlinear zero-frequency limit of the Biot (1962) equation or, equivalently, the Gassmann's (1951) equation. However, gas is encountered to some...
2006
Geophysical Insights into Completions and Production Predictability for a Shale Gas Reservoir Using Fault Intensity and AVO Inversion
Carl Reine, Sean Lovric
Unconventional Resources Technology Conference (URTEC)
..., 1983, Measuring the strangeness of strange attractors: Physica D: Nonlinear Phenomena, 9, 189-208. Gray, D., P. Anderson, J. Logel, F. Delbecq, D...
2013
Optimized downward continuation for the one-way wave equation in TTI media
Cosmin Macesanu, Faqi Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... implicit finite difference migration with nonlinear optimized four-direction splitting expansion: 80th Annual International Meeting, SEG, Expanded...
2022
Thermal Alteration
John B. Comer
Special Publications of SEPM
... regression used to calculate E and A. Of course, other forms of equations (14) through (16) are possible and the nonlinear equations can be solved...
1992
Recursive DIP for seismic random noise attenuation
Yun Zhang, Benfeng Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... accuracy. The used nonlinear activation function during the training is the RELU function, and the learning rate is set to 0.0001. k...
2022
3D acoustic-elastic full-waveform inversion and migration of marine VSP data from Norway
Zhaolun Liu, Jrgen Hoffmann, Frederik J. Simons, Jeroen Tromp
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Stoffa, 1990, Nonlinear seismic waveform inversion in one dimension using simulated annealing: Geophysics, 56, 1119–1122, doi: https://doi.org...
2022
Reducing parameter coupling effect for subsoil density estimation using 3D seismic full-waveform inversion with horizontal-force source
Y. Kawasaki, S. Minato, R. Ghose
International Meeting for Applied Geoscience and Energy (IMAGE)
... nonlinear iteration, compared to a standard gradient-based approach. The computational burden can be a significant problem in 3D near-surface applications...
2022
Alternate and Emerging Methodologies in Geochemical and Empirical Modeling
James R. Wood, Alan P. Byrnes
Special Publications of SEPM
... to be reanalyzed. Nonparametric and Nonlinear Regression Analysis While linear models are easy to develop, least squares linear multivariate regression...
1994
Fault identification in SE Limerick basin (Ireland) using a multi-geophysical data integration and unsupervised machine learning approach
Prithwijit Chakraborti, Aline Melo, Eoin Dunlevy
International Meeting for Applied Geoscience and Energy (IMAGE)
... (e.g., Wang et al., 2021). A distance-based clustering algorithm such as fuzzy c-means, performs well on globular or nonlinear cluster shapes but loses...
2022
Joint 3D inversion of gravity and magnetic data using deep learning neural networks
Nanyu Wei, Dikun Yang, Zhigang Wang, Yao Lu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the potential of deep learning in processing nonlinear mappings from data to inversion models. However, DL joint inversion has not been made possible for 3D...
2022
A strategy for acoustic impedance direct inversion in depth domain
Ruiqian Cai, Chengyu Sun, Shizhong Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... represent the depthdomain seismic data, the impedance, the nonlinear forward modelling operator, and the random noise, respectively. Then the depth-domain...
2022
Q-compensated least-squares reverse time migration by considering velocity and Q perturbations
Jinli Li, Yingming Qu, Chongpeng Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... parameters and A denotes a nonlinear seismic wavefield forward modeling operator. The superscript “~” denotes Q-attenuation. To solve the Qcompensated...
2022
Triangular impulse tests for stratified gravity inversion
Guibao Liu, Hua-Wei Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
..., A. N., and V.Y. Arsenin, 1977, Solutions of ill-posed problems: Winston. Zhang, J., and M. N. Toksoz, 1998, Nonlinear refraction traveltime tomography...
2022
Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands
Subhash Chandra, Geoff Mansfield, Peter Carver
Petroleum Exploration Society of Australia (PESA)
... and Exploration Geophysics. Zhang, J., and M. N. Toksoz, 1998, Nonlinear refraction travel-time tomography:Geophysics, 63, 1726-1737. ACKNOWLEDGEMENT...
2015
Amplitude enhancement of far-offset refractions via machine learning
Lurun Su, Han Wang, Jie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
....x. Zhang, J., and M. N. Toksöz, 1998, Nonlinear refraction traveltime tomography: Geophysics, 63, 1726–1737, doi: https://doi.org/10.1190/1.1444468...
2022