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The AAPG/Datapages Combined Publications Database

Showing 5,207 Results. Searched 201,044 documents.

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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, 𝑀 is the number of filters in the filter bank (𝐽 < 𝑀) and 𝑋 𝑖 is the log-energy output of the 𝑖-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, 1344–1363, 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 basins 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)

...βˆ’1 = 1, 2,..., N , (7) ο£° ο£»  where Q n is the denoised data at the n-th iteration,  * denotes the inverse operation of  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, 206–220. 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

Is it pyrite, or a shed?Ž: 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 β€˜Arif 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

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