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The AAPG/Datapages Combined Publications Database
Showing 5,207 Results. Searched 201,044 documents.
3D GPR data mel-frequency cepstral coefficients features for effective CNN classification of urban utilities
Jide Nosakare Ogunbo, Sang Hun Baek, Sang-Wook Kim
International Meeting for Applied Geoscience and Energy (IMAGE)
... coefficients, π is the number of filters in the filter bank (π½ < π) and π π is the log-energy output of the π-th filter: To facilitate an effective...
2024
Robust seismic data denoising based on factor group-sparse regularization
Mi Zhang, Yang Liuy, Jingming Liy, Gui Cheny
International Meeting for Applied Geoscience and Energy (IMAGE)
... approximation, the inverse Fourier transform is used to restore the data to the time-space domain. EXAMPLES (g) (h) Figure 1: Denoising comparison...
2024
Uncertainty analysis of full-waveform velocity inversion
Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis
International Meeting for Applied Geoscience and Energy (IMAGE)
...rlo solution of tomographic inverse problems: Geophysical Journal International, 216, 1344β1363, doi: https://doi.org/10.1093/gji/ggy496. Ray, A., A....
2024
OBN up/down-going wavefields separation in dual-tree complex wavelet domain
Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin
International Meeting for Applied Geoscience and Energy (IMAGE)
... coefficients in the 2D DTCWT domain with the operator presented above, (3) 2D inverse DTCWT of the matched Z-component coefficients, and (4) combining...
2024
Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation
Zhishuai Zhang, Jing Du, Fuchun Gao
Unconventional Resources Technology Conference (URTEC)
... geophones are constrained within one single well. Bayesian inference has been widely used in subsurface inverse problems (Tarantola and Valette, 1982...
2017
Using finite dipole lengths in complete earth 3D MT modelling
Wolfgang Soyer, Federico Miorelli, Randall Mackie
Petroleum Exploration Society of Australia (PESA)
.... Mackie, R.L., Miorelli, F., and Meju, M.A., 2018, Practical methods for model uncertainty quantification in electromagnetic inverse problems, SEG...
2019
Understanding the variability of sedimentary basinΒs gravity response through stratigraphic modelling
Vincent Crombez, Luk Peeters, Richard Chopping
Petroleum Exploration Society of Australia (PESA)
... (forward modelling) or using an inversion algorithm to estimate the subsurface density distribution given a set of gravity observations (inverse...
2019
ANALYSIS OF THE TRACE ELEMENT CONTENT OF COALS FROM THE WABAUNSEE GROUP, SOUTHEASTERN NEBRASKA
Sanford S. Kaplan, JAMes D. Carr, Paul B. Kelter
Rocky Mountain Association of Geologists
... by Kowalski (1 9 74). negative correlation, or inverse association, will also be readily observable. Figure 2 illustrates a correlation coefficient diagram...
1983
A successful story of working with towed streamer and ocean-bottom node data on interpolation and image enhancement
Heather Yao, Amr Elsabaa, Nathaniel Cockrell, Dawit Desta, Ruoyu Gu, Christina Tapia, Nigel Hicks, Lauren Peschier
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain beyondaliasing data reconstruction method, which works by estimating a Fourier spectrum of the input data, followed by an inverse Fourier...
2024
A case study of broadband processing in extremely shallow water environment of Bohai Bay
Jiangbo Huang, Xinyi Duan, Dekui Xu, Pingping Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... with water and seafloor. And it is the main reason why the normal SRME and the inverse scattering series methods cannot achieve good results in Bohai Bay...
2024
Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization
J. J. Gao, X. Wang, Y. H. Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
...β1 = 1, 2,..., N , (7) ο£° ο£» ο¦ where Q n is the denoised data at the n-th iteration, ο * denotes the inverse operation of ο to rearrange similarity...
2024
Deep neural networks for 1D impedance inversion
Vladimir Puzyrev, Anton Egorov, Anastasia Pirogova, Chris Elders, Claus Otto
Petroleum Exploration Society of Australia (PESA)
... that apply convolution operation between a kernel and the data. Among the recent applications of CNNs in geophysical inverse problems we can mention...
2019
Linkage of Fluvial-Lacustrine Facies in Developing Synrift Deposit: Simple Outlook from Pematang Group, Central Sumatera Basin
Lerby Fridela, Mahap Maha, Achmad Subandrio, Kevin Razadi, Dilla Arta Febriyani, Rian Cahya Rohmana
Indonesian Petroleum Association
... product of the dextral shear couple with trend NS. The third phase (F3) was during Late Miocene until Recent, typified as an inverse process because...
2015
Identification of Evaporite Diapirs Formed Under the Influence of Horizontal Compression: DISCUSSION
C.J. Talbot, H. Koyi, D. Sokoutis, G. Mulugeta
CSPG Bulletin
... by extrapolating infinitesimal or small finite strain theory to finite shortening. Symmetric opposed mullions are the inverse boudinage of Smith (1977...
1988
Improved channel imaging using full-waveform inversion for deepwater Lingshui giant gas reservoir in South China Sea
Tao Wu, Dun Deng, Zijing Gong, Jie Cui, Rong Li, Lianlian Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
...., and J. Bednar, 1983, The seismic inverse problem as a sequence of before stack migration: Society for Industrial and Applied Mathematics, 206β220. Mi, L...
2024
Sensitivity-based data reduction of large 3D DC/IP surveys
Sarah G. R. Devriese, Robert G. Ellis, Ken E. Witherly
Petroleum Exploration Society of Australia (PESA)
... exploration. Resistivity is the inverse of conductivity and both terms are used in this paper. Geophysical methods that are sensitive to conductivity...
2019
Parnell Grits - Large Subaqueous Volcaniclastic Gravity Flows with Multiple Particle-Support Mechanisms
Peter F. Ballance, Murray R. Gregory
Special Publications of SEPM
... with bathyal flysch of the Waitemata interarc crystals rip up clasts shallow marine fossils and rare extrabasinal clasts in a matrix of sand and silt Inverse...
1991
ΒIs it pyrite, or a shed?Β: intricacies of induced polarisation surveying near grounded metallic infrastructure
Regis Neroni, Sam Corbett
Petroleum Exploration Society of Australia (PESA)
... been affected by such cultural causative sources in input datasets for inverse modelling can lead to misleading resulting models and compromised...
2019
Full waveform inversion of simultaneous long-offset data
Nizar Chemingui, Alejandro A. Valenciano, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... gradient derived from Inverse Scattering theory and impedance-velocity parameterization of FWI (Ramos-Martinez et al., 2016). This eliminates...
2019
Geophysical investigation of mine waste in the King River Delta, Macquarie Harbour, Tasmania
Matthew J. Cracknell, Sibele C. Nascimento, Wei Xuen Heng, Anita Parbhakar-Fox, Thomas A. Schaap
Petroleum Exploration Society of Australia (PESA)
... throughout the survey. Quadrature and in-phase component data for 1 m coil spacings were interpolated to a 10 m grid cell resolution using Inverse Distance...
2019
AVO-preserving seismic data interpolation by orthogonal polynomial decomposition and mathematical morphological filtering
Yanxin Zhou, Yangang Mo, Junzhou Liu, Dajian Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... are the expression for forward and inverse Fourier transform. It should be emphasized that Edataiter is the result of enhancing reflection signal...
2024
Analysis of the influence of bedding-parallel cracks on shale anisotropy based on stress-induced rock physics model
Ying Xu, Feng Zhang, Guohua Niu, Xiangyang Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... on shale anisotropy field in Songliao Basin. Completed the recovery of BCD, and the inverse of the shale intrinsic anisotropy. We set the measured crack...
2024
A Gravity Study of the Thermopolis Anticline, Southern Bighorn Basin, Wyoming
R.B. Grannell, P.K. Showalter
Rocky Mountain Association of Geologists
... is the inverse problem: given a certain mass distribution, the associated gravity field can be solved uniquely, but the inverse 1 not true, due to unknown...
1991
Revisiting Brown Fields: A lookback on unforeseen opportunities in a late life field
Hifzhul βArif Ahmad Munif, Ismail Marzuki Gazali, Hairul Hafez Abu Bakar, Alfian Termizi, Wan Mohd Nazrullah Mohamed Zin, Nur Syakirah Muhammad Yusoff, Zainal Arifin Suwito, Chin Tee Ang
International Meeting for Applied Geoscience and Energy (IMAGE)
... Association of Petroleum Geologists REFERENCES Ishak, M. A., A. R. Ghazali, and S. Muhammad, 2021, Improving the inverse spectral decomposition...
2024
A Quantitative Application of Seismic Inversion and Multi-Attribute Analysis based on Rock Physics Linear Relationships to identify High Total Organic Carbon Shale - A Case Study from the Perth Basin, Western Australia
Y. Altowairqi, R. Rezaee, B. Evans, M. Urosevic
Unconventional Resources Technology Conference (URTEC)
... frequency filters. As we added more attribute as the correlation coefficient is increased to 0.82. The inverse of the acoustic impedance (1/AI) and (AI*2...
2017