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The AAPG/Datapages Combined Publications Database
Showing 557 Results. Searched 195,364 documents.
Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)
Search and Discovery.com
2001
Overcoming Seismic Attenuation Caused by Shallow Gas Above at a Gas Field Offshore Indonesia to Quantitatively Characterize the Reservoir Through Simultaneous Inversion
Cecep W. Rudiana, Bambang Irawan, Denny Sulistiono, Mark Sams
Indonesian Petroleum Association
... varying wavelets were applied. Once the lateral varying wavelets were optimized, they were applied to the seismic inversion. Based on well data, reservoir...
2008
Spectral Decompostion for a More Accurate Image; #41807 (2016)
Rongfeng Zhang
Search and Discovery.com
... wavelets extracted from seismic data in Taranaki Basin, New Zealand are shown. Improvement through Space-Varying Wavelets The extracted wavelets have...
2016
Seismic Estimation of Point-Bar Sands Using Simple Modeling Procedures
Robert Dennison
Indonesian Petroleum Association
... was generated. These acoustic impedance values - called reflectivity series, are than convolved with several assumed wavelets to produce a series of synthetic...
1984
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
... this wavelet ψ(t), we produce a family of wavelets (Sinha, 2005) : ψ σ ,τ (t ) = 1 σ ⎛ t −τ ⎞ ⎟ ⎝ σ ⎠ ψ⎜ (1) Where σ, τ ∈ R is not zero and σ...
2008
Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... ratio method, spectrummodeling method, match-technique method and match-filter method. Suppose that a1 (𝑡) and a2 (𝑡) are the two local wavelets near...
2014
Abstract: Characterizing earthquake source physics with source scanning algorithms
Frédérick Massin, Alison Malcolm
Atlantic Geology
.... Then polarity corrections are applied to the first motion wavelets (as extracted with SSA) from all possible mechanisms. For the optimal orientation...
2016
Abstract: Seismic Analysis with Wavelets and Deep Learning;
Samvith Rao, Akhilesh Mishra
Search and Discovery.com
...Abstract: Seismic Analysis with Wavelets and Deep Learning; Samvith Rao, Akhilesh Mishra Seismic Analysis with Wavelets and Deep Learning MathWorks...
Unknown
Random Noise Removal of Seismic Attribute Data via Complex-valued Wavelets
Search and Discovery.com
N/A
Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China
Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith
Unconventional Resources Technology Conference (URTEC)
... coefficient drops, both indicative of increased noise in the data. Angle 3 -12 Angle 9 -18 Angle 15-24 Angle 21-31 Figure 5: Extracted wavelets...
2016
Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China; #41829 (2016)
Gang Yu, Yusheng Zhang, Uwe Strecker, Maggie Smith
Search and Discovery.com
... Angle 9 -18 Angle 15-24 Angle 21-31 Figure 5. Extracted wavelets and cross correlation between synthetic and seismic for Sector 3 angle stacks...
2016
Bayesian variational auto-encoder for seismic wavelet extraction
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
...-supervised autoencoder for the extraction of time-variant, zero-phased wavelets, and a 1D flow net for time-shift estimation. Introduction Method...
2023
4D Seismic Bandwidth and Resolution Analysis for Reservoir Fluid-flow Model Applications
Rafael Souza, David Lumley, Jeffrey Shragge, Alessandra Davolio, Denis Schiozer
Petroleum Exploration Society of Australia (PESA)
... by the description of the wavelets AEGC 2019: From Data to Discovery – Perth, Australia Copyright © 2022 Petroleum Exploration Society of Australia (PESA...
2019
Detection of Fluvial Systems Using Spectral Decomposition (Continuous Wavelet Transformation) and Seismic Multi-Attribute Analysis A New Potential Stratigraphic Trap in the Carbonera Formation, Llanos Foothills, Colombia; #42281 (2018)
Essam Saeid, James Kellogg, Christopher Kendall, Ibraheem Hafiz, Zyaid Albesher
Search and Discovery.com
... throughout the Carbonera Formation. CWT and the calculated isofrequency seismic sections were based on all three wavelets; Morlet, Gaussian...
2018
Understanding the Spatial Geological Heterogeneity of the Delaware Basin from Pre-Stack Seismic Inversion
Simon Payne, Andrew Lewis, Ben Hardy, Venkatesh Anantharamu, Iestyn Russell-Hughes
Unconventional Resources Technology Conference (URTEC)
...% for the full stack seismic volume over a time window of more than 500ms; an example is shown in Figure 5. The well ties and estimated wavelets became the basis...
2019
-- no title --
user
Search and Discovery.com
..., and thus sample a wide range of plane waves. In contrast, typical Rayleigh wavelets produce localized weighting functions. These two behaviors lead...
Unknown
-- no title --
user
Search and Discovery.com
..., and thus sample a wide range of plane waves. In contrast, typical Rayleigh wavelets produce localized weighting functions. These two behaviors lead...
Unknown
Abstract: Skeletonization of Potential-Field and Seismic Images; #90174 (2014)
Le Gao and Igor Morozov
Search and Discovery.com
... geophysical data. The method consists in extracting multiple features of “wavelets” which may be single or double peaks or troughs characterized...
2014
Abstract: Importance of Wavelet Phase Stability in Seismic Interpretation; #90174 (2014)
Mirko van der Baan
Search and Discovery.com
... then be performed with the highest possible confidence, circumventing potential pitfalls introduced by laterally and/or temporally varying wavelets. This talk...
2014
Abstract: Inversion Approach to Calculate Instantaneous Frequency; #90174 (2014)
Jiajun Han and Mirko van der Baan
Search and Discovery.com
.... The signal in Figure 3 is comprised of an initial 20 Hz cosine wave, superposed 100Hz Morlet wavelet at 0.3s, two 30Hz Ricker wavelets at 1.1s...
2014
Abstract: Short-time Wavelet Estimation in the Homomorphic Domain; #90174 (2014)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
... ( f )| + ∑∑ ∑ ∑ arg{Sik ( f )}, NM i=1 j=1 NM i=1 k=1 (9) where the function arg refers to the continuous unwrapped phase arg{S( f )} = ϕS ( f...
2014
ABSTRACT: Well-log Feature Extraction Using Wavelets and Genetic Algorithms; #90007 (2002)
Rivera, Nestor, Shubhankar Ray, Andrew Chan, Jerry Jensen
Search and Discovery.com
...ABSTRACT: Well-log Feature Extraction Using Wavelets and Genetic Algorithms; #90007 (2002) Rivera, Nestor, Shubhankar Ray, Andrew Chan, Jerry Jensen...
Unknown
The Wavelet Transform as a Geophysical Signal Processing Tool, by T. A. Thompson; #90902 (2001)
Search and Discovery.com
2001
ABSTRACT: Random Noise Removal of Seismic Attribute Data via Complex-valued Wavelets; #90051 (2006)
Saleh Al-Dossary, Leon Hu
Search and Discovery.com
...ABSTRACT: Random Noise Removal of Seismic Attribute Data via Complex-valued Wavelets; #90051 (2006) Saleh Al-Dossary, Leon Hu AAPG Search...
Unknown
Abstract: Blind Surface Consistent Wavelet Estimation; #90187 (2014)
E. Bongajum, N. Kazemi, and M. D. Sacchi
Search and Discovery.com
... of SCD and an alternating optimization algorithm is proposed to estimate source and receiver wavelets that permit to estimate their associated inverse...
2014