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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,756 documents.
Geometric mode decomposition method for diffraction separation
Peng Lin, Suping Peng, Yang Xiang, Chuangjian Li, Xiaoqin Cui
International Meeting for Applied Geoscience and Energy (IMAGE)
... forwardmodeling algorithm with a dominant 25 Hz Ricker wavelet. The background velocity is set to 3.0 km/s. Figure 5 shows the zero-offset synthetic data...
2022
Carbonate Reservoir Characterization Using the Cementation Factor: A Case Study of Little Cedar Creek Field, Onshore Alabama
Qifei Huang, Yuefeng Sun
GCAGS Journal
... log data (Vp, Vs, ρ) from this study and a 30 Hz Ricker wavelet. We apply the backus average method to intervals above and below the three interfaces...
2017
Joint physics-based and data-driven time-lapse seismic inversion: Mitigating data scarcity
Yanhua Liu, Shihang Feng, Ilya Tsvankin, David Alumbaugh, Youzuo Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... by 37 shots (point explosions) placed with a constant increment (80 m) along a horizontal line at a depth of 10 m. The source signal is the Ricker...
2022
Interpolated fast and computational-efficient multidimensional singular spectrum analysis (I-FMSSA) for compressive simultaneous-source data processing
Rongzhi Lin, Yi Guo, Fernanda Carozzi, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... consists of 30⇥30 source points with interval Dx = Dy = 20 m in the x and y directions, and a Ricker wavelet of central frequency 20 Hz was adopted. We...
2022
THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY
Anthony R. Wagner
North Dakota Geological Society
... source. In most cases involving dynamite as a source, a Ricker Wavelet and a filter comparable to that used in the actual data...
1984
GPU-based 3D anisotropic elastic modeling using mimetic finite differences
Harpreet Singh, Jeffrey Shragge, Ilya Tsvankin, Fatmir Hoxha
International Meeting for Applied Geoscience and Energy (IMAGE)
... with the Cartesian coordinate planes. The model size with a 7.5 m spacing is [Nx , Ny , Nz ] = 2563 . We inject a Ricker wavelet with a peak frequency of 20...
2022
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)
... 2D seismic wave propagation. As illustrated in Figure 2 (a), the source is represented by a Ricker wavelet with 55 Hz dominant where, O...
2022
Subsurface uncertainty quantification with deep geologic priors: A variational Bayesian framework
Ashutosh Tewari, Brent Wheelock, Jacob Clark, Dallas Foster, Matthew Li, Youssef Marzouk
International Meeting for Applied Geoscience and Energy (IMAGE)
... response using a Ricker source wavelet, with a peak frequency of 10 Hz for all angles. The total record length is 6 seconds with 100 Hz sampling. A Q...
2022
Velocity continuation with Fourier neural operators for accelerated uncertainty quantification
Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... m horizontal grid, and the data is acquired with 102 equally spaced sources and 204 fixed receivers. We use a Ricker wavelet with a central frequency...
2022
Elastic full-waveform inversion using random space shift
Yuhui Yao, Jizhong Yang, Yuzhu Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and they are recorded by 401 receivers placed at depth of 𝑧8 = 2000 𝑚, 𝑥8 = 0 to 𝑥8 = 4000 𝑚 with spacing of 10 m. The source time function is a Ricker...
2022
Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data
Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm
International Meeting for Applied Geoscience and Energy (IMAGE)
... spacing). The source signature is a Ricker wavelet with a 2.5 Second International Meeting for Applied Geoscience & Energy 10.1190/image2022-3751356.1...
2022
Application of a Probability Model to Detect Unrecognised Igneous Intrusions in Sedimentary Basins
Simon Holford, Mark Bunch, Nick Schofield, Michael Curtis
Australian Petroleum Production & Exploration Association (APPEA) Journal
... (and reflection coefficients) for comparison. Synthetic seismogram comprises a Ricker wavelet displayed using European polarity convention...
2022
Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation
Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry
International Meeting for Applied Geoscience and Energy (IMAGE)
... but also increasing nonlinearity. Recorded data are computed in the true model with a recording time of 9.6 s and a Ricker wavelet with a peak frequency...
2023
Pre-Platform Exploration of High Island Blocks A-560 and A-561
Jeffrey W. Lund , John S. King , Richard Berlitz , J. A. Gilreath
GCAGS Transactions
... the GEOGRAM (FOOTNOTE *) program, by convolving the computed log reflection coefficients with a 30-Hertz Ricker wavelet. Two examples of the ability...
1978
Ranking DHI attributes for effective prospect risk assessment applied to the Otway Basin, Australia
Sebastian Nixon, Tony Hallam, Andrew Constantine
Petroleum Exploration Society of Australia (PESA)
.... Requires confidence in geological model and seismic wavelet. Modest evidence for unique fluid associated with top reservoir horizon. Requires confidence...
2018
A particle-based elastic wave simulation method in 3D arbitrary anisotropic media using GPU
Pinghao Wang, Xiaofeng Jia
International Meeting for Applied Geoscience and Energy (IMAGE)
... 1.0 0.4 0.24 ÷ =ç ÷ 1.0 5.0 0.35 0.525 ÷ ç -5.0 0.2 ç 0.1 -0.1 0.4 0.35 4.0 -1.0 ÷ ç ç 0.3 -0.15 0.24 0.525 -1.0 3.0 ÷ ÷ è ø (34) We use the Ricker...
2023
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... Move receivers with source Source frequency 15 Hz Wavelet Ricker Shot number 185 Shot interval 25 meters Receiver number 240 Receiver...
2021
Regional exploration of crustal structures from long-offset OBN data by extended-source FWI
Gaoshan Guo, Stéphane Operto
International Meeting for Applied Geoscience and Energy (IMAGE)
... engine using a 28 s recording length and a 2 Hz Ricker wavelet. ES-FWI is performed within the (1.5, 4) Hz frequency band. We implement a free-surface...
2024
Seismic applications of the Radon transform and a new second-order traveltime local transform
Ehsan Soleymani, Mauricio Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... corresponds to 91 traces or 251 samples each. The window length is 325 meters, and the interval of x0 is 157 meters. The wavelet used in the data set...
2024
Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition
Xiaole Zhou, Alessandra Ribodetti, Stephane Operto
International Meeting for Applied Geoscience and Energy (IMAGE)
... Ricker wavelet: 2 Distance (km) 4 6 1520 1500 Time(s) Vz 2 Amplitude perc=0% Amplitude perc=15% Amplitude perc=15% Time (s) Amplitude perc=0...
2024
High-resolution seismic reservoir monitoring with multitask and transfer learning
Ahmed M. Ahmed, Ilya Tsvankin, Yanhua Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of 130 m. The source signal is the Ricker wavelet with a central frequency of 10 Hz. We employ 289 receivers evenly distributed with an increment of 20 m...
2024
Integrated Chronostratigraphic Correlation and Its Dilemma: A Case Study in West Natuna Basin Block B Arang Formation
Hanaga Simabrata, Budi R Permana, Agus Sulistiarso, Retno Wijayanti, Redo D Waworuntu
Indonesian Petroleum Association
... for the input Ricker wavelet are 90, 40, 20, and 8 Hz. Most seismic events follow interpreted geologic-time surfaces, however apparent time-transgressive...
2016
Efficient Bayesian full-waveform inversion using a deep convolutional autoencoder prior
Shuhua Hu, Mrinal K Sen, Zeyu Zhao, Abdelrahman Elmeliegy, Shuo Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of 25m. We use 4Hz Ricker wavelet both for data generation and inversion. Signal-to-noise ratio (SNR) is 20 dB after adding random noise to seismograms...
2024
A gradient-free Bayesian full-waveform inversion approach for background model uncertainty quantification
Shuhua Hu, Zeyu Zhao, Fuchun Gao, Faqi Liu, Shuo Zhang, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
...z Ricker wavelet is used as source time function. No noise is added to the data. For inversion, frequency domain data within the band of 2-5H...
2024
Seismic Interpretation of the Rocky Mountain Thrust Front Near the Crowsnest Deflection, Southern Alberta
N.J. Begin, D.C. Lawton, D.A. Spratt
CSPG Bulletin
..., computed using a 25 Hz Ricker wavelet. Correlation of the synthetic seismogram with seismic data from line P-2 shown on the left hand side of the figure...
1996