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The AAPG/Datapages Combined Publications Database
Showing 5,187 Results. Searched 200,293 documents.
Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)
Zhengsheng Yao and Mike Galbraith
Search and Discovery.com
... and usually involves a non-linear inverse problem. Such kind of inverse problems are generally ill-posed due to a band limited source wavelet...
2014
Wavelet Processing
Lee Lu
Indonesian Petroleum Association
... an optimum filter, f, to be applied to the data. The source wavelet can be derived by the inverse of the filter. Claebout's method emphasizes...
1978
IV. The Role of Seismic Wavelets and Wavelet Processing
Norman S. Neidell
AAPG Special Volumes
... are attempting to design an inverse wavelet. Hence if we treat a spiking deconvolution operator as an inverse wavelet, then its inverse must in fact...
1979
Abstract: Two-stage Blind Deconvolution; #90187 (2014)
Mafijul Islam Bhuiyan and Mauricio D. Sacchi
Search and Discovery.com
.... However, the seismic source wavelet is unknown and therefore, it must be estimated from the data prior to deconvolution. In this paper, we examine...
2014
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... trace. They can be divided into two categories (deterministic and statistical) according to availability of the source wavelet. In the deterministic...
1980
DAS noise attenuation using wavelet stack
Zhou Yu, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, Weihong Fei
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the CWT domain, to maximize SNR while preserving data bandwidth. define the forward wavelet transform as W, the inverse wavelet transform W-1...
2022
Abstracts: Blind L1-norm Multichannel Deconvolution for Seismic Source Function Estimation; #90173 (2015)
Jaime Meléndez Martínez
Search and Discovery.com
... in alternating with single-channel reflectivity estimation, and multichannel wavelet estimation. The method is able to estimate the correct source...
2015
A new high-resolution seismic wavelet definition and vibroseis sweep signal design
Zhenbo Nie, Huazhong Wang, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelet is generated, the vibroseis sweep signal can be designed accordingly. By using the designed sweep signal as the excitation source for vibroseis...
2024
Interpolating Wavelet Multiscale Inversion for Seismic Waveform
Search and Discovery.com
N/A
What Is Deconvolution?, by Robert E. Sheriff, #40132 (2004).
Search and Discovery.com
2004
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)
... for short time windows, say less than 400 ms, a linear approach in terms of primaries only and a constant wavelet could have been sufficient, we find...
2022
Thin Layer Imaging by Wavelet Transform Enhancement
Randy Condronegoro, Woro Sutjiningsih, Herlan Setiadi, Khairul Ummah, Dythia Prayudhatama
Indonesian Petroleum Association
...Thin Layer Imaging by Wavelet Transform Enhancement Randy Condronegoro, Woro Sutjiningsih, Herlan Setiadi, Khairul Ummah, Dythia Prayudhatama...
2013
Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section
Deddy F. Djanawir, Frans Langitan
Indonesian Petroleum Association
... the coherency of seismic traces and increased confidence in velocity analysis. Inverse Q also sharpened the seismic wavelet shape and made the seismic...
2004
Abstract: Modified Euclids Blind Deconvolution Via Sparsity Optimization on a Sphere; #90187 (2014)
Nasser Kazemi and Mauricio D. Sacchi
Search and Discovery.com
... of an unknown signal of interest and a source signature. In general, the unknown signal or image can be estimated via inverse methods when the source signature...
2014
AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)
Charles Ursenbach, Arnim Haase
Search and Discovery.com
... the reflection coefficient for a band-limited wavelet via an inverse Fourier transform, as has been carried out by Haase (2004). We have previously...
2015
Abstract: Can Q Explain Observations Made from a VSP?, by Hamish Wilson, Scott W. Peters, and Robert W. Wiley; #90105 (2010)
Search and Discovery.com
2010
Abstracts: Impedance Inversion of Phase Corrected Data- A Case Study; #90173 (2015)
Somanath Misra and Satinder Chopra
Search and Discovery.com
... with minimum phase wavelet assumption leaves the data with spurious phase. The phase correction required to remove the spurious phase can be done by a simple...
2015
VIII. Conversion of Seismic Data to Log-Like Displays
Norman S. Neidell
AAPG Special Volumes
... noted a data comparison over a North Sea oil field in conventional and wavelet processed form (p. 20). Also, the wavelet processed data was tied...
1979
Abstract: Rigorous Demonstration of Sub-Wavelength Multiple Scattering Suppression Using Advanced Seismic Data Processing Workflows; #91204 (2023)
Marcin Dukalski, Chris Reinicke, Rob Hegge
Search and Discovery.com
... currently-used de-multiple methods assume some kind of temporal separability between events, to either estimate the source wavelet or the multiple...
2023
Deriving Subsurface Insight from Seismic
Gregory Partyka
Indonesian Petroleum Association
... of the noise attenuation. It is important to work with a stable source wavelet. If the source wavelet characteristics vary temporally and /or spatially...
2015
A new way to enhance the resolution of surface seismic data
Qian Yu, Qing Zhou, Jiaguo Ma, Tao Yan, Lien Bian
International Meeting for Applied Geoscience and Energy (IMAGE)
... propagation, and the inverse of the wavelet (i.e. the inverse wavelet) is used as the deconvolution operator of the actual seismic record. However, due...
2022
Abstract: Monte Carlo Markov Chain Methods in Seismic Deconvolution; #90174 (2014)
Andres Medina and Mirko van der Baan
Search and Discovery.com
... of a source wavelet with the Earth’s reflectivity plus some noise. In a conventional deconvolution approach one thus estimates a linear deconvolution filter...
2014
Abstract: Short-time Wavelet Estimation in the Homomorphic Domain; #90174 (2014)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
... by an inverse Fourier transform. In addition, no assumption regarding the phase of the wavelet is made, nor is the reflectivity assumed white. Despite its...
2014
Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)
K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi
Search and Discovery.com
... [email protected] Summary Source wavelet estimation is the key in seismic signal processing for resolving subsurface structural properties. Homomorphic...
2015
Understanding the Seismic Wavelet; Steven G. Henry; Search and Discovery Article #40028 (2001)
Search and Discovery.com
2001