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The AAPG/Datapages Combined Publications Database
Showing 756 Results. Searched 200,293 documents.
Improving seismic interferometry for traffic noise by wavefield decomposition and deconvolution
Weiping Cao, Xuri Huang, Yezheng Hu, Yungui Xu, Jing Tang, Hai Yao
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain as: π(π₯ , Ο) = πΉ(π₯ , Ο) + π(π₯ , Ο)οΌ (1) where πΉ(π₯ , Ο)and π(π₯ , Ο) represent the wavefield generated by the far-field...
2022
Abstract: Harmonic Decomposition of a Vibroseis Sweep Using Gabor Analysis; #90174 (2014)
Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, and Andrew Barrett
Search and Discovery.com
... (left) and the frequency domain (right) individual results (magenta) of time-dependent Gabor decomposition with respects to the fundamental, H2, H3, H4...
2014
Abstract: A Digital Telemetry System Implementation of the Dual-Sensor, Bottom-Cable Method
F. J. Barr, J. I. Sanders, D. A. Chamberlain
Geological Society of Malaysia (GSM)
... methods to remove the reverberations during processing. In the frequency domain, this phenomenon manifests itself as notches which are introduced...
1991
Attenuation of Marine Coherent Noise β A Processing Case History in the East China Sea
Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder
Southeast Asia Petroleum Exploration Society (SEAPEX)
... by Gulunay (1986). F-X prediction operates in the F-X domain on a frequency-by-frequency basis. The data are gated in both time and space...
1990
Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
.... The convolutional operator is denoted by ο₯ and Ξ· (t ) is the additive noise. In the frequency domain equation (1) can be expressed as: = W ( f ) R( f ) + Ξ...
2015
Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)
Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann
Search and Discovery.com
... discriminate between signal and noise based on their frequency content (bandpass filter) or they use some sort of prediction filter (F-X deconvolution...
2013
Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)
Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson
Search and Discovery.com
... in the time-frequency domain generalizes Wiener stationary deconvolution; - seismic Q-attenuation may be quickly and accurately modeled using Gabor...
2015
Robust localized adaptive waveform inversion: A new regularization for Gabor deconvolution
Peng Yong, Romain Brossier, Ludovic Mtivier
International Meeting for Applied Geoscience and Energy (IMAGE)
...) used in LAWI, can be deο¬ned by a non-stationary Λ convolutional model in the time-frequency domain (Yong et al., 2021): Λ w(t, Ο)d(t, Ο) = p(t, Ο), Λ Λ...
2022
Abstract: Robust Surface-Consistent residual Statics and Phase CorrectionΒ Part 1; #90224 (2015)
Nirupama Nagarajappa and Peter Cary
Search and Discovery.com
..., source types with different phase responses, etc. To see the effect of noise on phase, consider data in the frequency domain. At a given frequency f...
2015
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
... frequency peak relates to the reverberating event present on the stacked section processed without deconvolution (Figure 4). The same data processed...
1988
Seismic Resolution in the Mahakam Delta
J. B. Beauchamp
Indonesian Petroleum Association
... equalized than after simple deconvolution. Plate 17. Time Domain, Frequency Domain We can assume that actual field conditions will turn out to be less...
1980
Recent AEM Case Study Examples Using a Full Waveform Time-Domain System for Near-Surface Applications, #41509 (2014).
Jean M. Legault, Alexander Prikhodko, Timothy Eadie, Greg Oldenborger, Vincenzo Sapia, Andrea Viezzoli, Erwan Gloaguen, Bruce D. Smith, Melvyn E. Best
Search and Discovery.com
... as the transmitter drift and parasitic noise corrections, and ideal waveform deconvolution. The deconvolution procedure corrects, in frequency domain...
2014
Application of seismic spectral blueing based on generalized S-transform in high-quality reservoir prediction in gas cloud area
Pengzhi Zhang, Lei Liu, Zhiheng Jiang, Zhenglong Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of seismic data in each frequency band was fitted. Finally, the seismic data in each frequency band were compensated in the time domain and frequency...
2022
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
... is minimum phase. We can easily express this operator in the frequency domain as (2) πΊ(π€) = 1 β ππ ππ€π‘ π , and its minimum phase inverse as: 1...
2015
Getting More From Gravity & Magnetics: Examples From Mexico; #30569 (2018)
Ray Earley, Ted Lautzenhiser, Glenn Felderhoff
Search and Discovery.com
... from the spatial X, Y domain to the spatial frequency domain. There it is azimuthally sectored (shown here with three sectors, although in practice...
2018
Crustal thickness and velocity structure of southern Peninsular Malaysia
Abdul Halim Abdul Latiff, Amin Esmail Khalil
Geological Society of Malaysia (GSM)
.... This was conducted through the deconvolution of the R component from the Z component that can be conducted whether in time or frequency domain. The most common...
2018
Seismic-Based Volcano Identification and Characterization in HD Oilfield, Tarim Basin; #10747 (2015)
Yaonan Li, Guizhong Wang, Desheng Sun, Hongmei Zhang, Zhen Zou, Lin Yu, Sheng Cao
Search and Discovery.com
... of success. The relative amplitude preservation processing techniques mainly include earth absorption compensation in time-frequency domain, two-step...
2015
Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement
Mauricio D. Sacchi
Search and Discovery.com
... and parabolic paths (for a frequency domain implementation) and linear and hyperbolic paths (for a time-variant/time domain numerical implementation...
Unknown
Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement
Mauricio D. Sacchi
Search and Discovery.com
... and parabolic paths (for a frequency domain implementation) and linear and hyperbolic paths (for a time-variant/time domain numerical implementation...
Unknown
Research and application of amplitude attenuation gradient hydrocarbon detection method without the influence of thickness
Yichuan Wang, Xijia Sun, Zhao Ye, Pan Yong
International Meeting for Applied Geoscience and Energy (IMAGE)
... high frequency components is stronger. The calculation of the attenuation gradient factor is usually in the frequency domain. The user intercepts...
2022
High-resolution imaging using Gaussian beam point-spread-function deconvolution
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
... using equation 1. PSF deconvolution A multidimensional PSF deconvolution is applied to traditional migration results in the wavenumber domain...
2023
Large-scale Marchenko imaging with distance-aware matrix reordering, tile low-rank compression, and mixed-precision computations
Matteo Ravasi, Yuxi Hong, Hatem Ltaief, David Keyes, David Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
..., this stack of matrices contains the frequency-domain reflection response. Note that an equivalent way to interpret (and implement) such an operator...
2022
Spectral Induced Polarization: A New Way for Hydrocarbon Prospect Prediction
Feisal Dirgantara
Indonesian Petroleum Association
... of the subsurface using either time domain or frequency domain techniques. Spectral Induced Polarization (SIP) is generalization method of IP...
2008
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
... three steps: 1. a ray-based, frequency domain, linear inversion for the moment tensor and source function; 2. a nonlinear inversion to obtain...
2015
A statistical method-based approach for frequency-varying residual phase detection and correction
Longxiang Han, Rongwei Xu, Chengliang Wu, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and the complexity of the propagation process, direct single-frequency phase detection in the frequency domain is impractical, so narrow- Fourth...
2024