Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

... as in Figure 6a. Figure 8b shows a vertical incidence synthetic seismogram of the platform margin model using a 50-Hz Ricker wavelet...

Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings

F. Sandnes, L. Nustt, S. G. Henry

Indonesian Petroleum Association

... results from convolution of the reflection coefficients estimated from velocity and density logs with a zero phase Ricker wavelet of desired bandwidth...

Seismic Qualitative and Quantitative Analysis for Reservoir Characterization of Globigerina BH Gas Field, North East Java Basin.

Indra Sumantri, Okky Yuditya Pahlevi, Hendra Himawan, Vickry Rowi, Kian Han

Indonesian Petroleum Association

... be continued, in this case the angle is set between 5o – 45o with 30Hz Ricker wavelet convolution to model the offsetdependent reflectivity synthetic...

Towards understanding the impact of the evanescent elastodynamic mode coupling in Marchenko equation-based demultiple methods

Marcin Dukalski, Christian Reinicke, Kees Wapenaar

International Meeting for Applied Geoscience and Energy (IMAGE)

... a 30Hz Ricker wavelet. For p > 1/1900 s/m (evanescent in the top layer), amplitudes grow exponentially large while favouring high frequencies. where we...

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...

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...

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...

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...

Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)

Wubing Deng and Igor B. Morozov

Search and Discovery.com

...-domain differential equations (1)–(3) can be readily implemented in 1-D a finite-difference algorithm. The source is modelled as a zero-phase Ricker...

Use of extended source inversion for estimating the noise level in seismic data

Huiyi Chen, William W. Symes, Susan E. Minkoff

International Meeting for Applied Geoscience and Energy (IMAGE)

... the noisefree data F[m]w in which the slowness m = 0.4 s/km, the offset between source and receiver r = 1 km, and the source wavelet is a 40 Hz Ricker...

Seismic inversion with implicit neural representations

Juan Romero, Wolfgang Heidrich, Nick Luiken, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... contrasts (Figure 2i). The corresponding seismic image is computed using a Ricker wavelet (Ricker, 1943) with a peak fre- Fourth International Meeting...

Automated hyper-parameter optimization for deep learning framework to simulate boundary conditions for wave propagation

Harpreet Kaur, Sergey Fomel, Nam Pham

International Meeting for Applied Geoscience and Energy (IMAGE)

... a low-rank extrapolation operator (Fomel et al., 2013) with a 20-Hz Ricker wavelet and a time step of 2 ms. A blind test slices is shown in Figure 3b...

Monopole slow formation shear head wave Greens function in a LWD borehole acoustic configuration

Tim Geerits, Stefan Schimschal, Anna Swiatek

International Meeting for Applied Geoscience and Energy (IMAGE)

... the above results we have used an 8 kHz Ricker wavelet. The waveforms display the acoustic pressure in arbitrary units and have been computed Cf. Eq.(1...

Viscoacoustic wave propagation: Spectral-element simulations with a novel GSLS-type wave equation

Yu Chen, Bin He, Hejun Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... method. Initially, we examine the effects of attenuation on waveforms using a homogeneous model. A Ricker wavelet with a dominant frequency of 20 Hz...

ABSTRACT: Rejuvenation of a Mature Field Through Application of a Unique Frequency Enhancement Technology; #90007 (2002)

Marcus L. Countiss

Search and Discovery.com

... directly from it. The operation is entirely mathematical with no wavelet estimation or other interpretive input applied. The primary requirement...

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...

Fine characterization technique and its application to Neogene composite channel sand bodies in Bohai oilfield

Shengqiang Zhang, Zhijun Zhang, Yu He, Xun Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the zero-phase Ricker wavelet with dominant frequency of 30Hz was selected for forward modeling. Figure 3b shows the seismic records obtained...

Abstract: Spectral Analysis in Stratigraphic Interpretation, by Yihua Cai; #90200 (2014)

Search and Discovery.com

Abstract: Spectral-element Simulations of Elastic Wave Propagation in Exploration and Geotechnical Applications; #90187 (2014)

Lin Zheng, Qi Zhao, Qinya Liu, Bernd Milkereit, and Giovanni Grasselli

Search and Discovery.com

..., derive a set of relationships for the momentum equation over the subspace defined by the element set, and assemble these relations into a linear system...

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...

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...

A prior regularized 3D full-waveform inversion using 2D generative diffusion models

Fu Wang, Tariq Alkhalifah, Xinquan Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... are uniformly placed on the surface. The time sampling is 2 ms. The peak frequency of the Ricker wavelet is 8Hz. The total seismic recording is 3s. Then we...

Phase Decomposition for Predicting Carbonate Reservoir Properties

Umberto Barbato

Unconventional Resources Technology Conference (URTEC)

... isolates seismic facies that are obscured by interference from adjacent reflections. For thin layers with a zero-phase wavelet, the -90° phase highlights...

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Ehsan, Athar

Search and Discovery.com

... VGFWI wave equation to those computed by the convention FWI method. A single shot ejecting a ricker wavelet, dominant frequency of 10.0Hz was placed...

Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... shot ejecting a ricker wavelet, dominant frequency of 10.0Hz was placed at the middle of the cube. Snapshots at different time intervals were recorded...