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The AAPG/Datapages Combined Publications Database

Showing 499 Results. Searched 200,673 documents.

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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

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