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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,756 documents.
Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... & NGTONGSAN PETRONAS CARIGALI SDN BHD KUALA LUMPUR New techniques for the solution of inverse problems in seismic signal processing are required...
1990
Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea
Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
...Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea Yu Xiong, Cai Li...
2022
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Theory; #90171 (2013)
Stewart Trickett and Lynn Burroughs
Search and Discovery.com
... filtering both use matrix-rank reduction on constantfrequency slices. These can be combined into a novel hybrid method with properties from both, forming...
2013
Abstract: Time-varying Wavelet Estimation and Deconvolution; #90171 (2013)
Mirko van der Baan
Search and Discovery.com
... as a data-driven alternative to amplitude-only inverse-Q deconvolution. Introduction Controlled-phase acquisition and processing plays an important...
2013
Overburden Compensation: A Pragmatic Solution to the Frequency Dependent Amplitude Losses Associated With Laterally Variable Overburden
Swee Leng NG, Martin Bayly
Indonesian Petroleum Association
... the frequency loss but often over-gains noise. Hargreaves and Calvert (1991) used inverse earth attenuation (Inverse Q) filtering techniques based...
2008
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... levels, α attenuation coefficient related to the inverse of quality factor Q as α= Q-1 π f/V. Now taking the logarithm of both sides of equation (1), we...
2014
Abstracts: FX Cadzow / SSA Random Noise Filter: Frequency Extension; #90173 (2015)
Alexander Falkovskiy, Elvis Floreani, Gerry Schlosser
Search and Discovery.com
... value of them will be used for the inverse Fourier transform in the same manner as in C2-FX filtering. Similarly, it is possible to create FE filter...
2015
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)
...−1 = 1, 2,..., N , (7) where Q n is the denoised data at the n-th iteration, * denotes the inverse operation of to rearrange similarity...
2024
Modeling of scattering losses using energy transport
Manuel Alejandro Jaimes Caballero, Roel Snieder
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.1190/geo2018-0566.1. Li, G., W. Huang, H. Zheng, and X. Zhang, 2015, Removing absorption effect on AVO via inverse Q filtering in offset direction...
2022
Abstract: Properties of Gabor Operators for Seismic Imaging; #90171 (2013)
Michael P. Lamoureux and Gary F. Margrave
Search and Discovery.com
... packet can have a different Fourier multiplier, which allows for nonstationary filtering. The properties of the Gabor multiplier are completely...
2013
Efficient Q-RTM in anisotropic TTI media with phase and amplitude compensation
Yongzhong Wang, Faqi Liu, Carlos Calderón
International Meeting for Applied Geoscience and Energy (IMAGE)
... the formulation of frequency dependent inverse Q as follows, 𝜔𝜏 𝜎 𝜏 𝐿 𝑄 −1 (𝜔) = ∑ 𝑙=1 1+𝜔2 𝑙 𝜏2 (2) 𝜎𝑙 where “𝐿” is the Standard...
2024
Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)
Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray
Search and Discovery.com
... of Kirchhoff, despite the greater computing resources required. We demonstrate that improvement of the near surface can be obtained through various filtering...
2013
Técnicas de Procesamiento Sísmico Basadas en Atenuación: Un Primer Paso para la Caracterización de Yacimientos de Crudo Pesado [PAPER IN SPANISH] Seismic Processing Techniques Based on Attenuation: A First Step for the Characterization of Heavy Oil Reser
Elkyn E. Hernández Sanabria, Yaqueline Figueredo Báez, William M. Agudelo Zambrano
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., 2120-2128. Hargreaves, N. D., and Calvert, A. J., 1991. Inverse Q-filtering by Fourier transform. Geophysics, 56, 519-527. Kjartansson, E. 1979. Constant Q...
2009
Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)
Pan Pan and Kris Innanen
Search and Discovery.com
..., filtering methods use differential moveout between primaries and multiples that are separated in the f-k, -p, or Radon domains. These filtering...
2015
The Use of Multi-Level Potential Field Data in Regional, Geophysical Modeling; #40426 (2009)
J. Ebbing, R. Fjalar Reynisson, J. Reidar Skillbrei, Odliev Olesen
Search and Discovery.com
... and constraining data are needed to minimize the uncertainty of forward and inverse models. Useful information which can limit the uncertainties is contained...
2009
Multicomponent seismic data vector reconstruction via quaternionic matrix factorization
Yonghai Fu, Jianjun Gao, Wenbo Sun, Yandong Wang, Fan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... eigenimage filtering method (Trickett, 2003) and matrix factorization (MF) algorithm (Gao et al., 2017; Wen et al., 2012; Wu et al., 2020), we extend...
2023
Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)
K. H. Miah and M. D. Sacchi
Search and Discovery.com
... formulations. In the last section, we express the FRFT as forward-adjoint operator pair, which will be used to setup the FRFT filtering as an inverse problem...
2015
Analysis of rank-reduction methods for filtering and interpolation
Rafael Manenti, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
...Analysis of rank-reduction methods for filtering and interpolation Rafael Manenti, Mauricio D. Sacchi Analysis of rank-reduction methods...
2022
Improvement of inverse scattering angle-domain common image gathers using optical flow
Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
...Improvement of inverse scattering angle-domain common image gathers using optical flow Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo...
2023
Gabor Deconvolution: Surface-Consistent and Iterative
Search and Discovery.com
... are used to parametrize the Q-function component of the deconvolution operator, and which iteratively improves the estimates for the four components...
2013
Optimum Deconvolution for Seismic Inversion Purposes
M. Suprajitno, L. Nutt, P. Busono
Southeast Asia Petroleum Exploration Society (SEAPEX)
..., a specific technique has been developed using a combined approach of Homomorphic and Optimum-lag deconvolution filtering. The Homomorphic method...
1988
Structure-and-Amplitude-Preserving Multi-Channel Deconvolution
Search and Discovery.com
... based on multi-channel deconvolution. We pose the noise reduction problem as an inverse problem and propose a cost function that uses a priori...
2013
Some Seismic Instantaneous Bandwidth Attribute Applications; #42515 (2020)
Satinder Chopra, Kurt J. Marfurt
Search and Discovery.com
... the seismic amplitudes, one might use inverse Q-filtering, spectral decomposition-based methods and thin bed reflectivity inversion. We have...
2020
Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology
Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... and maintain resolution. The inverse Q filtering is applied three times before and after Seismic migration processing to compensate the highfrequency...
2023
Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets
Dries Gisolf, Peter R. Haffinger
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelets are no longer sufficient to capture incorrect true amplitude recovery and Q compensation in the data processing. The first problem...
2022