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The AAPG/Datapages Combined Publications Database
Showing 18,799 Results. Searched 200,357 documents.
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
...) Amplitude spectrum 0.7 0.8 0.9 0 -20 -40 -60 0 50 100 150 Frequency (Hz) 200 250 Figure 1. (a) Nonwhite reflectivity calculated from well...
2013
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
...) Amplitude spectrum 0.7 0.8 0.9 0 -20 -40 -60 0 50 100 150 Frequency (Hz) 200 250 Figure 1. (a) Nonwhite reflectivity calculated from well...
2013
Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)
Langqiu Sun
Search and Discovery.com
... data analysis method must be developed to detect and quantify it. Noticing in frequency domain, attenuation mechanisms alter the amplitude spectrum...
2015
Full phase-velocity spectrum inversion of multimode Rayleigh waves
Yanlong Niu, Yunyue Elita Li, Siau Chen Chian
International Meeting for Applied Geoscience and Energy (IMAGE)
... and frequency domain. The dispersion curves are carefully interpreted and extracted from the dispersion spectrum and used for the subsequent inversion...
2022
Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)
Dali Zhang, Michael P. Lamoureux, Gary F. Margrave
Search and Discovery.com
... squares minimization problem with regularization. The recovered stress-strain relaxation spectrum is applied to numerical calculation of frequency dependent...
2014
Seismic resolution enhancement with self-supervised learning
Shijun Cheng, Tariq Alkhalifah, Haoran Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... f has the form: L f (L, O) = 1 N N ˜ ˜ 2 ˜ ˜ Li − Oi · Li − Oi , (4) i=1 ˜ ˜ where the Li and Oi represent the the spatial frequency spectrum...
2024
Unsupervised frequency space domain deep learning framework for reconstructing 5D seismic data
Gui Chen, Yang Liu, Haoran Zhang, Mi Zhang, Yuhang Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
...Unsupervised frequency space domain deep learning framework for reconstructing 5D seismic data Gui Chen, Yang Liu, Haoran Zhang, Mi Zhang, Yuhang Sun...
2024
Post-migration seismic data conditioning through merged datasets: Enhancing accuracy and insight
Pamela Blanco Dufau, Heather Bedle, Kurt Marfurt
International Meeting for Applied Geoscience and Energy (IMAGE)
... a more uniform frequency spectrum, while structure-oriented filtering removes noise while preserving structural and stratigraphic features...
2024
Abstract: Estimating Q from Hydraulic Fracture Related Seismicity; #90187 (2014)
Gisela Viegas, Adam Baig, Ted Urbancic, Eric von Lunen, Jason Hendrick, and Sean Lovric
Search and Discovery.com
..., stress drop, radiated energy, etc., are commonly calculated in the frequency domain from the displacement amplitude spectrum of P and/or S waves...
2014
Blended acquisition with independent simultaneous sourcing and dispersed source array: Deblended-data-reconstruction processing
Tomohide Ishiyama, Afra Aljaberi, Fei Hu
International Meeting for Applied Geoscience and Energy (IMAGE)
... overlap and interfere with each other across the full frequency band. Figure 3b shows the deblended data and its spectrum. The blending signal (i.e....
2024
Revealing Geologic Features in the Midland Basin Through Frequency Decomposition
Rachael Moore
Unconventional Resources Technology Conference (URTEC)
... bandwidth of the higher frequency volumes means that more of the frequency spectrum is contributing to the result. URTeC 2902077 2 A matching...
2018
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
... frequency spectrum with depth. Introduction A generally accepted model for the seismic trace is to consider it as a convolution of the earth seismic...
2015
Spectral Balancing Can Enhance Vertical Resolution, by Kurt J. Marfurt and Marcilio C. de Matos; #41357 (2014).
Search and Discovery.com
2014
Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology
Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah
Indonesian Petroleum Association
... is amplitude spectrum of 2004 data. Whereas 1999 dataset, although have higher dominant frequency content of 30Hz, the noise level is also high with possible...
2020
Advances in Spectral Decomposition and Reflectivity Modeling in the Frio Formation of the Gulf Coast, by Michael D. Burnett and John P. Castagna, #40113 (2004).
Search and Discovery.com
2004
Spectrum of Fluvial Systems and Depositional History From High-Resolution Study of Seismic Sedimentology (Lithology and Geomorphology), Neogene, SLT Area, Bohai Bay Basin, China
Search and Discovery.com
N/A
Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)
N. Ackerley
Search and Discovery.com
... of a seismic spectrum, much more important than the Brune corner frequency. It is important to appreciate the fact that real event spectra have significant...
2014
Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana
V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin
GCAGS Transactions
... data provide a limited window into the frequency spectrum of the earth’s subsurface reflectivity. Generally, the frequencies recovered after earth...
2021
Abstract: Fluid and Gas Expulsion on the Northern Gulf of Mexico Slope: Effects of Frequency and Magnitude on Seafloor Impacts with Special Emphasis on Gas Hydrates, by Harry H. Roberts; #90914(2000)
Search and Discovery.com
2000
An empirical method to correct nuclear magnetic resonance porosity of tight sandstone using low-field nuclear magnetic resonance data
Xinmin Ge, Yiren Fan, Jianyu Liu, Donghui Xing, Hongjun Xu, and Falong Hu
AAPG Bulletin
...-regulated nonnegative matrix factorization. The effect of TE on the transverse relaxation spectrum is investigated and corrected for different relaxation...
2023
Gemini: A fully operational broadband source for model building and imaging
Carsten Udengaard, David Brookes, Hector Flores
International Meeting for Applied Geoscience and Energy (IMAGE)
... surveys utilizing Full Waveform Inversion for high quality velocity models it will be beneficial to generate additional low frequency energy beyond...
2023
Gas Hydrates Exploration Using Continuous Wavelet Transform Based on Spectral Decomposition
Hafidz Dezulfakar, Muhazzib, Yulia Nur Fajrina
Indonesian Petroleum Association
... the same number of peak frequency cycles. Wavelet will be compressed, its peak frequency shift to a higher number and its spectrum dilates if the value...
2016
Marine Seismic Sources: Part VI: High Frequency Signals From Air-Guns
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... spectrum due to the low-frequency energy emitted by the air-gun, while above 1 kHz the amplitude spectrum of the air-gun signal coincides with the vessel...
2011
Examples of Optical Analysis and Filtering of Seismic Record Sections: ABSTRACT
J. A. Long
AAPG Bulletin
..., the first step is an examination of the spectrum of the data. This technique lends itself well to the analysis and evaluation of the information...
1965
Application of Seismic Data to Lithology and Hydrocarbon Identification in East China
Qian Shao-Xin, Liu Wen-Lin
Circum Pacific Council Publications
... is limited by its frequency resolution, which is equal to the reciprocal of data length At. For short data length, it is preferable to do spectrum...
1989