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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,616 documents.
Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic
Milos Cvetkovic, Francisco Colina, TGS
GEO ExPro Magazine
... Fourier transform regularization. The pre-processed data undergoes quality control at every major stage and is reviewed with industry partners at key...
2024
Data-driven near-surface Q compensation: A case study in Sichuan Basin of China
Xinyuan Feng, Yulian Zhao, Mingtu Xiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... Data-driven Near-surface Q Compensation and Its Application The amplitude spectrum is obtained by Fourier transform of the sampled signal data...
2024
Seismic signal considerations for fast reservoir characterization
Folkert Hindriks
International Meeting for Applied Geoscience and Energy (IMAGE)
.... An intuitive method for integrating a signal is by computing its Fourier transform (DFT), multiplying this by 1/i𝜔, and obtaining the time response...
2024
Abstract: Low-Frequency Tremor Signals from a Hydraulic Fracture Treatment in Northeast British Columbia, Canada; #90187 (2014)
David W. Eaton, Mirko van der Baan, Jean-Baptiste Tary, and Kim Pike
Search and Discovery.com
...-time Fourier transform (STFT), however, reveals relatively few LPLD-like signals. We observed a diverse variety of other low-frequency phenomena...
2014
Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014)
A. Stanton and M. D. Sacchi
Search and Discovery.com
... involve developing a vector interpolation method that utilizes exact coordinates (such as the Anti-Leakage Fourier Transform (ALFT)). Acknowledgements...
2014
Abstract: A New Method for Microseismic Event Detection and Automatic Time Picking; #90187 (2014)
Yoones Vaezi and Mirko van der Baan
Search and Discovery.com
... are calculated using Short Time Fourier Transform (STFT). The maximum crosscorrelation values are normalized and then subtracted from 1 so that the highest...
2014
Wellsite Mineralogical Data Acquisition; Understanding Results From Multiple Analytical Sources; #80478 (2015)
Brian J. Davis, Amber Koch, Gerald Braun, Cassie O'Connor, Elton Frost, Terry Quinn, Chi Vinh Ly, Guy Oliver, Graham Spence, Bill Whatley, Michael Wilson, Neil Cardy
Search and Discovery.com
...), scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS), fourier transform infrared spectroscopy (FTIR), and inductively coupled plasma...
2015
Using Advanced Logging Measurements to Develop a Robust Petrophysical Model for the Bakken Petroleum System, #80534 (2016).
Gary A. Simpson, John Hohman, Iain Pirie, Jack Horkowitz
Search and Discovery.com
... Dipole Sonic © 2015 SPWLA. All Rights Reserved. X-Ray Fluorescence (XRF) Dual-Range Fourier Transform Infrared Spectroscopy (DR-FTIR) Diffuse...
2016
Interpretation and Fracture Characterization of Early Cretaceous Buda Limestone Formation Using Post-Stack 3D Seismic Data in Zavala County, Texas, #11108 (2018).
Andrey Smirnov, Christopher L. Liner
Search and Discovery.com
...: Hilbert Transform: Handbook of Poststack Seismic Attributes, p. 207-210. Bennett, L.C., 2015, Interpretation of Late Cretaceous Volcanic Mounds...
2018
Predicting and Detecting Carbonate Cemented Zones Within Latrobe Group Reservoirs of the Gippsland Basin
Mark Bunch
Petroleum Exploration Society of Australia (PESA)
... closely spaced top and base acoustic boundary reflectors. This was done by calculating a Fast Fourier Transform and reconstructing the seismogram...
2018
Hydraulic Fracture Characterization Using Continuous Wavelet Transform for Treating Pressure, Calibrated with Fiber Optics Data
Mohamed A. Gabry, Amr Ramadan, Mohamed Y. Soliman
Unconventional Resources Technology Conference (URTEC)
... particular frequency components occur, which is especially problematic for non-stationary signals. To address this, the short-time Fourier transform...
2025
An anti-aliasing plane wave decomposition method based on local linear Radon transform
Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain, where local data is transformed into the f-x domain through Fourier transform, and the model is solved using the conjugate gradient method...
2024
Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data
M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek
Indonesian Petroleum Association
...., 2003, Seismic trace interpolation in the Fourier transform domain: Geophysics, 68, 355– 369. Ikelle, L., and Amundsen, L., 2005, Introduction...
2013
Comparison of Bed Form Variance Spectra Within a Meander Bend During Flood and Average Discharge
Raymond A. Levey, Bjorn Kjerfve, Rufus T. Getzen
Journal of Sedimentary Research (SEPM)
...., KAENEL, R. A. LANG, W. W., MALING, G. C., JR., NELSON, D. E., RADERG, C. M, AND WELCH, P. D., 1967, What is the fast Fourier transform?: IEEE Trans. Audio...
1980
Time Series Analysis I
Roy E. Plotnick and Karen L. Prestegaard
Special Publications of SEPM
...; the Fourier transform of autocorrelation is the power spectrum (Davis, 1986). Similarly, the parameter H in autocorrelation is closely related to the value...
1995
Sequence Stratigraphy Applied to Log Interpretation: Improving Methodology by Means of Signal Processing Techniques and Outcrop Calibration; #90017 (2003)
P. J. Y. M. Rabiller, F. Robail, E. Remacha, L. Richard, F.-J. Sancho-Jaquel, F.Climent, L. P. Fernandez
Search and Discovery.com
... of singularities has been well demonstrated. Compared to Fourier transform, WT offers the invaluable advantage of an accurate localization (along...
2003
Seismic erratic noise suppression based on Laplacian-scaled mixture prior
Haotian Xu, Weiwei Xu, Wenchao Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... and extrapolation using a high-resolution discrete Fourier transform: IEEE Transactions on Signal Processing, 46, 31–38, doi: https://doi.org...
2022
Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector
Xuan Ke, Mauricio Sacchi, Ying Shi
International Meeting for Applied Geoscience and Energy (IMAGE)
... we obtain: 𝜕𝑖𝜔𝑝(𝐱,𝑡) 𝜕𝜔𝑝(𝐱,𝑡) 𝑠 𝑔 (𝐱, 𝑡) = − ∇𝑖𝜔𝑝(𝐱, 𝑡) − ∇𝜔𝑝(𝐱, 𝑡). (9) 𝜕𝑡 𝜕𝑡 By introducing the Fourier transform of the f...
2023
Recovering the invisible signals for urban traffic monitoring using distributed acoustic sensing
Yangkang Chen, Hang Wang, Rui Min, Yunfeng Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... characterized by low-frequency energy (0-2 Hz) in the Fourier spectrum. We apply a low-pass filter to the raw data to highlight the car signals...
2024
Multi-Resolution Grid Connectivity-Based Transform for Efficient History Matching of Unconventional Reservoirs
Hyunmin Kim, Feyi Olalotiti-Lawal, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... and Yip 2014). They used the discrete cosine transform (DCT) which is a type of Fourier transform that reconstructs a discrete signal as the sum of cosine...
2019
Seismic data interpolation via frequency-constrained 3D inception Unet
Yen Sun, Paul Williamson
International Meeting for Applied Geoscience and Energy (IMAGE)
... a second label – the data transformed into the frequency-wavenumber domain; this requires the addition of a Fourier Transform layer to the architecture...
2022
Comparative analysis between laboratory measurement and numerical simulation to evaluate anisotropy in Coquinas from Morro do Chaves Formation: A Brazilian presalt analog
Lucas Oliveira, Andr Martins, Marco Ceia, Roseane Missgia, Herson Rocha, Natan Santarm, Jessica Moreira, Irineu Lima Neto
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and memory-efficient numerical methods based on the Fast Fourier Transform (FFT) approaches (Kabel et al., 2015); actually, several researchers...
2022
A Pressure Transient Technique for Monitoring Waterfloods
Jeff Spath
Indonesian Petroleum Association
... SPE 12130 presented the 58th Annual Technical Conference and Exhibition, San Francisco, CA., October 5-8, 1983. Fruchting, H.: "Fourier Coefficients...
2000
Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP
Mohammad Risyad
Indonesian Petroleum Association
... stations and extract time series data of their respective depths, time-to-frequency conversion is performed using Fast Fourier Transform (FFT...
2018
Automated detection of ferromagnetic pipelines from magnetic total-field anomaly data using convolutional neural networks
Brett Bernstein, Yaoguo Li, Richard Hammack
International Meeting for Applied Geoscience and Energy (IMAGE)
... properties of the Hilbert transform (Nabighian, 1984), q FFT 2 2 ˜ Tz $ wx + wy DT , (2) ˜ where wx and wy are the x and y wavenumbers and DT is the Fourier...
2023