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The AAPG/Datapages Combined Publications Database
Showing 5,207 Results. Searched 201,049 documents.
Low-Frequency De-Ghosting Method to Enhance Basement Layer Continuity Image in Foxtrot South East Area, North West Java Sea
Ryan Bobby Andika, Hudzaifah, Deny Martian, Nurudin Mahmud, Sri Sadono
Indonesian Petroleum Association
... with the specific semi-fix flow in the figure 1. Based on the main goals of this research, we only focused on the De-Ghosting method using the Filter...
2019
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
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... for both sorting and f-k filtering. Further, a 2-D f-k filter technique would not be appropriate for the acquisition geometry where the trace spacing due...
1996
Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section
Deddy F. Djanawir, Frans Langitan
Indonesian Petroleum Association
... in the tests are the four different inverse filtering methods, deconvolution (spiking and predictive), inverse Q filter, and the combination of both...
2004
Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology
Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah
Indonesian Petroleum Association
... median filter (Bagheri, 2013), local signal and noise orthogonalization (Chen, 2015), time-frequency peak filtering (Yu et al., 2016), or iterative...
2020
Structure-and-Amplitude-Preserving Multi-Channel Deconvolution
Search and Discovery.com
... recursive filter preconditioning in geophysical estimation problems: Geophysics, {\bf 68}, 527-588. Hampson, D., 1986, Inverse velocity stacking for multiple...
2013
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)
.... The second kind of methods are based on cross-ghosting (Ball and Corrigan 1996). Because of the flat-seabed assumption, these methods have difficulty...
2024
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... phase allows one to find the wavelet and its inverse which can then be applied to the seismic trace as a deconvolving filter. The Levinson recursion...
1980
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
... ways, such as when the inverse transform leads to a narrow, high-amplitude spike in real space, as shown in Figure 1. Using a rectangular k-filter...
2013
Merging inverse-Q filtering and deconvolution
A. R. Schoepp, G. F. Margrave
CSPG Special Publications
...Merging inverse-Q filtering and deconvolution A. R. Schoepp, G. F. Margrave 1998 167 168...
1998
What Is Deconvolution?, by Robert E. Sheriff, #40132 (2004).
Search and Discovery.com
2004
New technologies for seismic resolution enhancement and bandwidth expansion: Applications in SE Asian Basin
Yasir Bashir, Abdul Halim Abdul Latiff, Muhammad Sajid
Geological Society of Malaysia (GSM)
... methods have been developed to enhance the bandwidth, including spectral whitening, spectral bluing, and inverse Q-filtering (Sajid & Ghosh, 2014...
2024
Shaping regularization by fast explicit diffusion
Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... of explicit ο¬lters. TRIANGLE SMOOTHING BY CASCADED FILTERING INTRODUCTION Shaping regularization is a general framework for solving inverse problems...
2022
F-xy Cadzow Noise Suppression
Search and Discovery.com
... filtering has previously been applied along constant-frequency slices to remove random noise from 2-D seismic data. Here I extend Cadzow filtering to two...
2013
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
... to model and remove multiples on NMO-corrected gathers using the multiple velocity. Examples of the application of structure oriented filtering...
2015
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
Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area
M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust
International Meeting for Applied Geoscience and Energy (IMAGE)
...nt of the observed wavefield, that is π ππ , because the simulated wavefield would be acoustic. One option would be to calculate a reconstruction filter (inver...
2023
IV. The Role of Seismic Wavelets and Wavelet Processing
Norman S. Neidell
AAPG Special Volumes
... trace where we regard superimposed waveforms which can result from closely spaced reflecting boundaries, interbed multiples or the filtering effect...
1979
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... filter 14-55 Hz and an exponential gain recovery factor of 1,2 applied. Velocity filtering is then applied to separate the up and downgoing wavetrains...
1983
Pre-drill Reservoir Evaluation Using Passive Seismic Imaging
Charles Sicking, Jan Vermilye, Ashley Yaner
Unconventional Resources Technology Conference (URTEC)
... electronic line noise. Low cut frequency band pass filter to remove any remaining coherent surface wave noise SDI for depth image volume integration...
2016
Algorithm Comparison with Cross Sections: Appendix A
David E. Hamilton, Thomas A. Jones
AAPG Special Volumes
... of a filter removes low frequency noise from the gridded surface. As the grid spacing is reduced, subsequent passes remove higher frequency noise from...
1992
A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition
Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... include FK filtering, radon transform and median filtering. The presence of noise impedes effective separation of these methods and affects the fidelity...
2024
Abstracts: Ground Roll Attenuation Using LWD; #90173 (2015)
Ken Kocon and M. Sacchi
Search and Discovery.com
..., Theune et al. 2006) to automatically remove spatially aliased ground roll from non-uniformly sampled data. Traditional FK domain filtering...
2015
ABSTRACT: Restoring High Resolution in Surface Seismic Data; #90051 (2006)
Khalid Alrufaii, Kangan Fang
Search and Discovery.com
... components. The VSP data analysis can be performed in either the time or the frequency domain which produces inverse filter operators at each consecutive...
Unknown
Abstracts: Footprint Removal with Co-ordinate Rotation; #90173 (2015)
Mark Ng and Ye Zheng
Search and Discovery.com
...., SW, Calgary, AB, Canada, T2P 0R3 [email protected] and Ye Zheng [email protected] Summary Some of the effective footprint removal filtering...
2015