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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,673 documents.
Variability in Geochemical Provenance and Weathering History of Sirius Group Strata, Transantarctic Mountains: Implications for Antarctic Glacial History
Sandra Passchier
Journal of Sedimentary Research (SEPM)
... of the CIA ratios displays a consistent geographic and morphostratigraphic pattern (Fig. 6), except for the large range of CIAs at Ricker Hills...
2004
Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey
Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove
AAPG Bulletin
... are then calculated along the ray path, and these coefficients are convoluted by a Ricker wavelet. This method is fast and correctly images inclined reflectors...
2007
The Newporte Structure: a Petroliferous, Subsurface Impact Crater, Renville County, North Dakota
Timothy R. Gerlach, Neil L. Anderson, Nels F. Forsman
Williston Basin Symposium
... line. The SS of Figure 3 was generated using zero-phase Ricker wavelets...
1995
Microseismic imaging with three-component borehole sensors
Jakob B. U. Haldorsen
International Meeting for Applied Geoscience and Energy (IMAGE)
... signatures for both the P- and S-waves were 120 Hz Ricker wavelets, with frequency spectra that extend beyond 250 Hz. The figure also shows horizontal...
2022
A feasibility study of Boree Salt body mapping in the Adavale Basin using passive seismic data
Peng Guo, Erdinc Saygin, Asrar Talukder
Australian Energy Producers Journal
... of surface waves for mapping salt bodies at these depths. Ricker wavelets with dominant (peak) frequencies of 0.12, 0.25, 0.5, and 1.0 Hz were used...
2024
3D CNN for channel identification in seismic volume
Haishan Li, Wuyang Yang, Xiangyang Zhang, Xinjian Wei, Xin Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... volumes and then convolved with a Ricker wavelet whose peak frequency is randomly chosen within a given range. In order to make the synthetic seismic volume...
2022
Robust joint inversion and segmentation of 4D seismic data
Juan Romero, Matteo Ravasi, Nick Luiken
International Meeting for Applied Geoscience and Energy (IMAGE)
...-like structure, by reducing the impedance by 10% from the top of the structure until a modeled Gas-Water contact (Figures 1b-c). A Ricker wavelet...
2022
Deblurring migration images with point spread function filter
Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... subsections to make a smoothly varying image. Nevertheless, the deblurring filter method is suitable for cases with highfrequency ricker source...
2022
Realistic synthetic data generation using neural style transfer: Application to automatic fault interpretation
Min Jun Park, Joseph Jennings, Bob Clapp, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Finally, the seismic images are formed by convolving a Ricker wavelet with a 20 Hz central frequency. One of the resulting seismic images is shown...
2022
An application of FWI with progressive transfer learning
Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... is synthesized with a 12Hz Ricker wavelet with a low-cut filter to remove the frequency components below 9 Hz in the data. Meanwhile, the dominant...
2022
Bayesian RockAVO: Direct petrophysical inversion with hierarchical conditional GANs
Miguel Corrales, Muhammad Izzatullah, Matteo Ravasi, Hussein Hoteit
International Meeting for Applied Geoscience and Energy (IMAGE)
... synthetic gather used as input for the SVD stage has angles ranging from 0 to 50 degrees and it is band-passed using a Ricker wavelet with central...
2022
3D velocity model building based upon hybrid neural network
Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... data. boundary condition (Cerjan et al., 1985). The time interval is 0.0015 s and number of time samples is 800. The source time wavelet is Ricker...
2022
Phase-encoded waveform inversion for multiples
Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
...-mFWI method. A finitedifference code and a 6-Hz Ricker wavelet source are used to generate the synthetic dataset. The top boundary is set as a free...
2022
Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers
Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain acoustic modeling is performed using the finite difference using a minimumphase Ricker wavelet of 25 Hz peak frequency with a discretization of th...
2022
Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling
Daniele Colombo, Ernesto Sandoval-Curiel, Ersan Turkoglu, Weichang Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... acoustic finite-difference modeling is performed with GeoInv3D (Pajot and Combre, 2014) where a minimum phase Ricker wavelet of 25 Hz peak frequency...
2022
The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source
D. W. Thompson
Petroleum Exploration Society of Australia (PESA)
..., and It will eventually resemble the Ricker Wavelet. The length of the pulse T generated by a linear source Lm can be shown to vary with the direction...
1985
Seismic sparse time-frequency representation via GAN-based unsupervised learning
Youbo Lei, Yang Yang, Naihao Liu, Shengtao Wei, Jinghuai Gao, Xiudi Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
... first downsample the Marmousi reflectivity model into the size of 512x512. Then, we adopt the Ricker wavelets with different dominant frequencies...
2022
Direct monitoring of fluid saturation using time-lapse full-waveform inversion
Amir Mardan, Bernard Giroux, Gabriel Fabien-Ouellet, Mohammad Reza Saberi
International Meeting for Applied Geoscience and Energy (IMAGE)
... by using 7 sources on the surface and placing receivers both on the surface and imaginary wells on both sides of the model. A Ricker wavelet...
2022
Orthorhombic AVAZ inversion in the Laplace-Fourier domain
Lin Li, Jinmiao Zhang, Guangzhi Zhang, Zhenyu Zhu, Jiajia Zhang, Chao Li, Xinpeng Pan
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a convolution of the PP-wave reflection coefficients and a 35Hz Ricker wavelet. Gaussian noises with different signalto-noise ratios (S/N...
2022
Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry
Muhammad Awais, Sherif M. Hanafy, King Fahd
International Meeting for Applied Geoscience and Energy (IMAGE)
... msec and the total generated time is 2 sec. The used source wavelet is a Ricker wavelet with 20 Hz peak frequency. Figure 4a shows shot gather number...
2022
RNN-based seismic velocity model building: Improving generalization using hybrid training data
Hani Alzahrani, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
... by solving the 2D Helmholtz equation using a 15 Hz Ricker wavelet. Data were generated for 6 frequencies ranging from 1 Hz to 12 Hz in 2 Hz...
2022
The importance of viscoelastic waveform inversion in VSP: Synthetic studies
Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelet, which is assumed to be a Ricker wavelet. It gridsearches the best fc to reach the highest maximum correlation coefficient (CC), which corresponds...
2022
Graph-space optimal transport-based 3D elastic FWI for near-surface seismic applications
Dmitry Borisov, Richard D. Miller, Shelby L. Peterie, Julian Ivanov, Anthony M. Hoch, Steven D. Sloan
International Meeting for Applied Geoscience and Energy (IMAGE)
... at x=8 m. Receivers are located between 8 m and 92 m, spaced 2 m apart. To generate the data, we use a vertical force source with a 17 Hz Ricker wavelet...
2022
Seismic reflectivity inversion via a regularized deep image prior
Hongling Chen, Mauricio D. Sacchi, Jinghuai Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
... Ricker wavelet and a reflectivity model. We also added random noise that represents an SNR = 10dB. The reflectivity was extracted from the Marmousi II...
2022
An optimal aperture crosscorrelation imaging condition for Marchenko imaging
Xiaochun Chen, Yezheng Hu, Yukai Wo, Weiping Cao, Xuri Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to a Ricker wavelet, of which its width is much narrower. Figure 5 shows the spectrum of the extracted traces in the wavenumber domain. It shows...
2022