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The AAPG/Datapages Combined Publications Database

Showing 499 Results. Searched 200,685 documents.

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Time-lapse FWI prediction of CO2 saturation and pore pressure

Qi Hu, Kristopher Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... displacements) computed for the true model. Ricker wavelet with central frequency 15 Hz is used. Conclusions We proposed a complete rock physics model...

2023

The modeling and simulation of Scholte wave propagation at fluid-solid interface

Zhiliang Wang, Rong Huang, Guojie Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... s. The other parameters listed in Table 1. A point force is located at (2.408km, 1.568km), and the source term is a Ricker wavelet: f (t )  5.76 f...

2023

Estimating subsurface geostatistical parameters from surface-based GPR reflection data using a deep-learning approach

Yu Liu, James Irving, Klaus Holliger

International Meeting for Applied Geoscience and Energy (IMAGE)

... location with a 100 MHz Ricker wavelet. It is important to note that this simple approach of generating synthetic GPR reflection images, which emulates...

2023

Deep learning based microearthquake location prediction at Newberry EGS using physics-informed synthetic dataset

Zi Xian Leong, Tieyuan Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... gathers. We use a standard Ricker wavelet We expand on the standard multilayer perceptron (MLP) to instead directly predict the spatial location (x,y,z...

2023

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

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

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

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

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

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

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

A novel viscous pure-acoustic wave equation and its numerical implementation in 3D TTI media

Long Wu, Yixian Xu, Shigang Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... m×1800 m×1800 m. The source signal is an 28 Hz Ricker wavelet. The Q model is generated from the velocity model using an empirical relation...

2024

Travel-time tomography for joint velocity and transducer location estimation

Edan Gofer, Raanan Dafni, Albert Shalumov, Ramon Axelrod, Moshe Oziel, Pinny Chaviv

International Meeting for Applied Geoscience and Energy (IMAGE)

...ves, 1996). The data is noise free and is modeled with a spatial grid step of 0.17mm and a time sample rate of 0.0175μs. The source wave...

2024

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

... (Figure 1). The model size is 10.6 km×1 km with 10 m grid spacing. We set the maximum recording time as 1.5 s, and the Ricker wavelet, whose dominant...

2024

Velocity model building from 3D surface seismic data at the Utah FORGE EGS site

Yun-Ha Jung, Nori Nakata, Sea-Eun Park, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

..., we continue velocity model building using 3D acoustic fullwaveform inversion. We set the maximum recording time as 2 s, and the Ricker wavelet, whose...

2024

Seismic amplitude variation with angle response of hydrogen-saturated rock: Implications on subsurface monitoring

Chao Li, Shuvajit Bhattacharya

International Meeting for Applied Geoscience and Energy (IMAGE)

... dramatically in the reservoir. Transferring the model into time domain and convolved by a 30 Hz Ricker wavelet, Figure 7 shows the corresponding profiles...

2024

Optimal survey design for full-waveform inversion via bi-level optimization

H. S. Aghamiry, S. Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... acquisition, we perform a full run of IR-WRI starting from a rough initial model (Fig. 4b). The source signature is a 4 Hz Ricker wavelet. We perform...

2024

FWI uncertainty analysis with Stein variational gradient descent

Haoyang Cen, Kaihang Guo, Diancheng Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... and a receiver spacing of 50 m. A ricker wavelet peaked at 10 Hz is used. Fifty initial particles are generated based on the reference FWI model...

2024

Diagenesis and pore pressure induced dim spots „ Advances on AVO analysis of high-impedance reservoirs

Antonio Pessoa, Mark Chapman, Giorgos Papageorgiou

International Meeting for Applied Geoscience and Energy (IMAGE)

... as a function of angles of incidence and convolved with a 15Hz Ricker wavelet. We chose to simulate an average frequency similar to that of the 3D seismic...

2024

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