Seismic Modeling and Expression of Common Fold-Thrust Belt Structures; #42266 (2018)

Jianjun Li, Shankar Mitra

Search and Discovery.com

... limb reflectors, lower velocity can lead to undermigration while higher velocity will cause overmigration. Receiver interval Ricker This is an example...

Predicting Reservoir Properties from 3-D Seismic Attributes with Little Well Control - Jurassic Smackover Formation, Bruce S. Hart, Search and Discovery Article #40046 (2002)

Search and Discovery.com

Upscaling acoustic wave equation using renormalization group theory

Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the differences. geometry. We use the broadband Ricker wavelet of central frequency f0 which shows a good frequency response up to 1.645 f0 (Wang, 2015...

Self-supervised learning for seismic swell noise removal

Yuan Zi, Shirui Wang, Pengyu Yuan, Xuqing Wu, Jiefu Chen, Zhu Han

International Meeting for Applied Geoscience and Energy (IMAGE)

...se. The source setting is a 15Hz Ricker wavelet, record time ranging from 0 s to 5 s, sample time 2 milliseconds. Swell noise is synthetic by usi...

Bedrock Geology of the Dempster Lateral

D. K. Norris

CSPG Special Publications

... tests up to 2,800 b/d: Oilweek, p. 10-12. Ricker, K. E., 1977a, Quaternary Geology of the North Klondike and upper Blackstone River systems, southern...

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...

Acoustic target-level full-waveform inversion: Applied to ocean-bottom seismic data

Carlos A. N. da Costa, João M. de Araújo, D.J. Verschuur, Aydin Shoja

International Meeting for Applied Geoscience and Energy (IMAGE)

..., representing a strong contrast in this region. In addition, we use a Ricker wavelet (Ricker, 1953) with 30 Hz peak frequency and a free surface at the top...

Composition of seismic facies: A case study

Stale Emil Johansen

AAPG Bulletin

...-phase Ricker wavelet. Because the resulting seismic section assumes vertical incidence to surfaces (image-ray modeling), the section simulates...

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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...

Pennsylvanian of Brazos River and Colorado River Valleys North Central Texas

Monroe G. Cheney, D. Hoyle Eargle

West Texas Geological Society

.... In contrast, in the Colorado River section, fusulines are known only down into the Ricker bed in the upper part of the Des Moines (Strawn) series and have...

Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues

Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp

AAPG Bulletin

... buildup represented the wedge model for the P-wave reflection data (Figure 10). We convolved the model acoustic reflectivity with a 120-Hz Ricker wavelet...

Recommendations From Error Analysis of Single Well Microseismic Data With Full-Wavefield Moment Tensor Inversion: A Case Study

Juan M. Lorenzo, Trudy L. Watkins, Arash Dahi Taleghani

Unconventional Resources Technology Conference (URTEC)

...egligible values and can contribute ~5-20% of the total wavefield. The source-time function s(t) is a Ricker wavelet calculated as 2 2 2 𝑠𝑠(𝑡𝑡) = (1 ...

Mapping Distribution of Sandstone and Seismic Multi-Attribute Analysis Using Linear Regression Method in the "RMS" Field, South Sumatra Basin

Clara Armiliany, Ryan Mulyadi Saragih, Aji Arif Sulaksono, Bagus Sapto Mulyatno, Ordas Dewanto

Indonesian Petroleum Association

... of wavelet extract can be done by several methods, namely statistical methods, ricker, bandpass and use well. In this study, trial and error was performed...

Revealing the discontinuities by 3D prestack diffraction separation and imaging

Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... peakfrequency Ricker wavelet, and a constant reflectivity of 1.0 in the background, at a constant velocity of 2 km/s. The surface geometry includes 5...

Elastic reverse-time migration without wavefield decomposition

Daiguang Li, Shengchang Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... as Ricker wavelet whose main frequency is 20Hz. Example 1 The proposed method is demonstrated using a 201 × 301 2D four-layered heterogeneous isotropic...

AVO and Impedance Response of Perdices Miocene Sands, Lower Magdalena Valley Basin.

Oscar Moreno, Loz Darmon, Fernando Cerda, Anubrati Mukherjee

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., namely using a 30 Hz, 45 Hz and 75 Hz Ricker wavelet, were also generated. AVO and impedance response from the models were compared to data from seismic...

Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin

Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama

Indonesian Petroleum Association

...-frequency map for non-stationary signals is the continuous-wavelet transform (CWT). It produces a time-frequency map in which the amplitudes...

A stable TTI acoustic wave equation

Linbin Zhang, Edose Ohen

International Meeting for Applied Geoscience and Energy (IMAGE)

... TTI model. The vertical velocity is 3000m/s, 𝜀=0.24, 𝛿=0.1 and tilted angle is 45 degrees. The source wavelet is a Ricker wavelet with a Second...

Deep learning to predict subsurface properties from injected CO2 plume bodies using time-lapse seismic shot gathers

Son Phan, Wenyi Hu, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... the acoustic forward modeling with absorbing boundary conditions and the same 10 Hertz, zero-phase Ricker wavelet. The shot and receiver spacings were set...

Enhancing geological features delineation by combining a relative geological time model with the matching pursuit spectral decomposition

Fabien Cubizolle, Benjamin Durot, Lory Evano

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In this paper, the Matching Pursuit algorithm is compared with both the Short Time Fourier Transform and the Continuous Wavelet Transform methods. A case study...

Low-frequency data reconstruction for full-waveform inversion

Ramzi Djebbi, Maiza Bekara, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... km and using the Marmousi II velocity model. The source wavelet is a Ricker wavelet with 16 Hz peak frequency. Figure 1-a shows the modelled data...

Finite Difference Modeling: Part I: Become Expert in Five Minutes

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... solution. The source is located at x = 0. It is given a time signature that is a time derivative of a Ricker signature, sometimes called the Mexican...

Forensic GPR anti-human landmine accurate detection by Gramian constrained joint inversion of the monostatic reflection and transmission radargrams

Jide Nosakare Ogunbo, Changsoo Shin, Sang-Wook Kim, Sang-Hyun Kim

International Meeting for Applied Geoscience and Energy (IMAGE)

... the experiments that will be carried out include: speed of light in air 𝑐 = 3 × 108 m/s Ricker source wavelet center frequency of 𝑓𝑐 = 1 GHz...