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...

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...

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...

Application of Common Contour Binning (CCB) and Back Propagation Neural Network (BPNN) for Oil Water Contact Prediction in Carbonate Reservoir (The Case Study at G404 Field)

Wahyu Tri Sutrisno, Septian Prahastudhi, Ayi Syaeful Bahri, Yulia Putri Wulandari

Indonesian Petroleum Association

... response was then computed using a 20Hz Ricker wavelet (wavelet derived from the well seismic tie process). We used a density for water saturated carbonate...

Depth correction using velocity for structure calibration at Leviathan Field, offshore Israel

Yijie Zhou, Brad Christensen, Lin Christianson

International Meeting for Applied Geoscience and Energy (IMAGE)

... (red dash line) cutting through the structure, which changes the impedance. The bottom figure shows a synthetic created using 25 Hz Ricker wavelet...

Structural and Stratigraphic Interpretation of the Muddy Formation Using the Manderson Field 3D Seismic Survey, Big Horn County, Wyoming

J. Chris Besler, Mark T. Kramer

Wyoming Geological Association

... 20Hz Ricker wavelet. In Figure 12 the Muddy sand isopach has been overlain on the Muddy extracted amplitude map. As drawn, the Muddy sand isopach...

Exaggeration of Medium

Search and Discovery.com

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...

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...

Deblurring migration images with point spread function filter

Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu

International Meeting for Applied Geoscience and Energy (IMAGE)

... subsections to make a smoothly varying image. Nevertheless, the deblurring filter method is suitable for cases with highfrequency ricker source...

An optimal aperture crosscorrelation imaging condition for Marchenko imaging

Xiaochun Chen, Yezheng Hu, Yukai Wo, Weiping Cao, Xuri Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to a Ricker wavelet, of which its width is much narrower. Figure 5 shows the spectrum of the extracted traces in the wavenumber domain. It shows...

Deep learning decomposition for null and active space estimation for thin-bed reflectivity inversion

Kristian Torres, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... Hz Ricker wavelet and adding the random noise. Figure 1 shows the results for a test reflectivity model different from all training samples...

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...

From well logs to 3D models: A case study of automated stratigraphic correlation in the Midland Basin

Keyla Gonzalez, Zoltan Sylvester, Alejandro Valenciano, Ben Lasscock

International Meeting for Applied Geoscience and Energy (IMAGE)

... expands the pool of wells incorporated into the workflow. ChronoLog then applies a Continuous Wavelet Transform (CWT) and systematically identifies...

A depositional model for the Carbonera Formation, Llanos Foothills, Colombia, from workflow of a sequence stratigraphic framework and interpretation from well-log stacking patterns, well cuttings, and three-dimensional seismic spectral decomposition

Essam Saeid, Christopher Kendall, James Kellogg, Thomas De Keyser, Ibraheem Hafiz, Ziyad Albesher, and José Antonio Martinez

AAPG Bulletin

..., Gaussian, and Mexican Hat or Ricker). The choice of wavelet depends on the 3-D seismic interpretation package used. Some seismic interpretation workstations...

The use of spectral recomposition in tailored forward seismic modeling of outcrop analogs

Mark Tomasso, Renaud Bouroullec, David R. Pyles

AAPG Bulletin

... a Ricker wavelet centered on that peak (Figure 2B, C). The choice and number of the selected frequency peaks should represent the range of frequencies...

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...

Chapter Nine: Inversion and Interpretation of Impedance Data

Rebecca B. Latimer

AAPG Special Volumes

...) was used to derive a synthetic seismic data set utilizing a Ricker wavelet comprising the frequency range listed below each figure. The synthetic seismic...

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

... functions characterized by a 30hz Ricker wavelet for 2014 and 2017. Figure 5 shows the point spread function 4D time-lapse differences for 2017...

Bayesian RockAVO: Direct petrophysical inversion with hierarchical conditional GANs

Miguel Corrales, Muhammad Izzatullah, Matteo Ravasi, Hussein Hoteit

International Meeting for Applied Geoscience and Energy (IMAGE)

... synthetic gather used as input for the SVD stage has angles ranging from 0 to 50 degrees and it is band-passed using a Ricker wavelet with central...

Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers

Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu

International Meeting for Applied Geoscience and Energy (IMAGE)

...-domain acoustic modeling is performed using the finite difference using a minimumphase Ricker wavelet of 25 Hz peak frequency with a discretization of th...

Seismic erratic noise suppression based on Laplacian-scaled mixture prior

Haotian Xu, Weiwei Xu, Wenchao Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... is the clean data and Sdenoised is the denoised result. Figure 1 (a) is the clean 2-D synthetic data simulated by Ricker wavelet with interval of 2ms...

An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

... times and amplitudes with a 40 Hz Ricker wavelet. This allows a direct comparison between the synthetic and actual data, and makes migration testing...

Acoustic impedance multichannel inversion constrained by spatial reflection features

Yaming Yang, Xingyao Yin, Kun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... per trace. The seismic data is synthesized using the Ricker wavelet with a main frequency of 25Hz, and the sampling interval is 2ms. Then, 10...

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...