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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,673 documents.
Joint data and physics model driven full-waveform inversion using CMP gathers and well-logging data
Shuliang Wu, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The Ricker wavelet with a dominate frequency of 8 Hz is high-pass filtered at 4 Hz as the source to simulate the seismic data. We select one velocity...
2023
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
...) and acquisition limitations (geometry footprint, bandlimited source wavelet). An estimate of reflectivity can then be derived through iterative...
2023
Adaptive UMAP based multiple-frequency attribute blending and its application on hydrocarbon reservoir characterization
Zezhou Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Rongchang Liu, Jinghuai Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
... synthetic data, which is generated by convolving the reflectivity model with a 35 Hz Ricker wavelet. There are 143 seismic traces in our synthetic model...
2023
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
... model, respectively. Figures 1d-1f draw the noise-free angle data (10°, 20°, and 30°) synthesized using the above model and 40 Hz Ricker wavelet...
2023
Thickness Prediction of Tectonically Deformed Coal Using Calibrated Seismic Attributes: A Case Study
Tongjun Chen, Xin Wang
Petroleum Exploration Society of Australia (PESA)
...) with a 50 Hz Ricker wavelet. In Figure 1(b), the reflected trough and peak of the coal-bed are compounded in the left, detached in the middle...
2016
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... Ricker wavelet is used to synthesize timedomain seismic records. Figures 3a and 3b show the Third International Meeting for Applied Geoscience...
2023
Pachuta Creek (Smackover) Field, Mississippi
Anthony J. Weber
GCAGS Transactions
... (fig. 4). A thirty-five hertz positive Ricker wavelet, convolved with the reflection coefficients, provided the best frequency match between...
1980
A graph-space optimal transport FWI approach based on κ-generalized Gaussian distribution
Sérgio Luiz E. F. da Silva, Giorgio Kaniadakis
International Meeting for Applied Geoscience and Energy (IMAGE)
... Ricker wavelets. In addition, we simulate an ocean bottom node (OBN) acquisition by employing 21 receivers on the ocean floor equally spaced every 400...
2023
Influence of node position uncertainty on FWI and Mirror-RTM
Felipe Capuzzo, Marco Cetale, Sergio Luiz da Silva, Roger Moreira, Felipe T. Costa, Ammir A. Karsou, Jorge Lopez
International Meeting for Applied Geoscience and Energy (IMAGE)
... was only allowed to update a maximum of 10% in each iteration. The source wavelet is a Ricker with a cutoff frequency of 10Hz. No multiscale strategy...
2023
Reservoir spatial characterization based on tuning body spectrum decomposition along the target layer
Ying Zheng, Qingzhen Wang, Jianhua Wang, Rao Huang, Zhenyu Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... by 20Hz Ricker wavelet. The model parameters are shown in Table 1, and the simulation results are shown in Figure 4. Fourth International Meeting...
2024
JAX acceleration of implicit FWI and field data application
H. V. Nguyen, A. Sekar, K. Wang, T. Zhang, T. Nemeth, U. Albertin, M. Eaid, K. Nihei, E. Wang, K. Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
... was performed for a marine acquisition with sources and receivers in the water layer with Ricker and Ormsby source wavelets. To mimic field data...
2024
Low-rank representation for reflectivity model and its applications in least-squares migration
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
... implemented by minimizing the weighted nuclear norm Ricker wavelet is used as the source time function. Visof reflectivity patch matrices...
2024
Transformation of point-to-line source seismogram in a 2D geological model
Moosoo Won, Bing Zhou, Mohamed Jamal Zemerly, Mohammad Al-Khaleel, Mohamed Kamel Riahi
International Meeting for Applied Geoscience and Energy (IMAGE)
... to 20.75 for Qp and 250 to 20 for Qs. A source locates at the middle of free surface, and its signal is 15Hz central frequency of Ricker’s wavelet. Nine...
2024
Conditional image prior for uncertainty quantification in full-waveform inversion
Lingyun Yang, Omar M. Saad, Tariq Alkhalifah, Guochen Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
...] to the reference one-hot vector [0, 1] (bottom row). in both directions. The source is given by a Ricker wavelet with a peak frequency of 6 Hz. The time step...
2024
Stochastic acquisition systems in time-dependent scattering seismic approach
Gennady Erokhin, Maria Erokhina, Alexandre Iakovlev, Kirill Safran
International Meeting for Applied Geoscience and Energy (IMAGE)
... is centrally positioned at a depth of 1 km. Employing a Ricker pulse with a frequency of 40 Hz and a onemillisecond time sampling, the results demonstrate...
2024
Multipole borehole acoustics in the presence of an constraints elastic tool
Tim Geerits, Stefan Schimschal, Anna Swiatek
International Meeting for Applied Geoscience and Energy (IMAGE)
..., t; S with was a 4 kHz Ricker wavelet. We also analyzed the effects of eccentricity on induced mode contaminants (e.g., monopole Stoneley and dipole flexural...
2024
An improved Holo-Hilbert spectral analysis guided by fast matching pursuit
Chaohe Wang, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
..., translating, and modulating a signal using the window function (Ricker or Morlet wavelet), we can obtain an over-complete dictionary. Equation (6) and (7...
2024
Stochastic inversion based on Von Karman random medium prior model
Longdong Liu, Baoli Wang, Ying Lin, Guangzhi Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and . Where w t is the seismic wavelet. 1 d w t , and the 2 dt The autocorrelation function can be gotten by doing the Fourier inverse...
2024
Diffusion regularization for multi-parameter near-surface elastic full-waveform inversion
Mohammad Hasyim Taufik, Fu Wang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
...rest spans 1.125 x 10 km2 with a receiver and source lateral sampling of 0.1 and 1 km, respectively. A ricker wavelet with a dominant frequency of 1...
2024
Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations
Feiyue Xia, Carlos Torres-Verdín
International Meeting for Applied Geoscience and Energy (IMAGE)
... (𝜏 𝜏 𝜏 ) are displayed for wavefields simulated via 3D FDTD. The center frequency of the Ricker wavelet is fs=10kHz. Red lines are wavefronts at specific...
2024
Facies-constrained elastic full-waveform inversion for tilted orthorhombic media
Ashish Kumar, Ilya Tsvankin
International Meeting for Applied Geoscience and Energy (IMAGE)
... offset is 3.6 km and maximum offsetto-depth ratio for the bottom of the model is about 2.6. The Ricker wavelet with a central frequency of 10 Hz...
2024
A Siamese network-based full-wave inversion: Application on real data
Omar M. Saad, Randy Harsuko, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
...) cross-correlation loss, (d) Wasserstein loss, (e) FWIGAN, and (f) SiameseFWI. a Ricker wavelet with a peak frequency of 5Hz as the source wavelet...
2024
Super-virtual interferometry for noise elimination on vertical seismic profiling (VSP)
Yicheng Zhou, Yang Cui, Sherif Hanafy
International Meeting for Applied Geoscience and Energy (IMAGE)
... m/s (Figure 2a). There is a surface explosive seismic source with a 30Hz dominant frequency Ricker wavelet is located at 800-meter offset...
2024
The reflected waves distributed on 3D9C seismic data from ISO media
Yuan Yuan Yue, Zhiwen Deng, Hong Cao, Qianggong Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the reflection coefficient, then is convolved with a 20Hz Ricker wavelet. The convolution results are shown in Figure 4. It can be seen that the position where...
2024
Seismic resolution enhancement with self-supervised learning
Shijun Cheng, Tariq Alkhalifah, Haoran Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... is to use the minimal number of wavelet-convolved reflection spikes to simulate a seismic trace. It was initially applied on a trace-by-trace basis, resulting...
2024