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The AAPG/Datapages Combined Publications Database

Showing 499 Results. Searched 200,756 documents.

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Geometric mode decomposition method for diffraction separation

Peng Lin, Suping Peng, Yang Xiang, Chuangjian Li, Xiaoqin Cui

International Meeting for Applied Geoscience and Energy (IMAGE)

... forwardmodeling algorithm with a dominant 25 Hz Ricker wavelet. The background velocity is set to 3.0 km/s. Figure 5 shows the zero-offset synthetic data...

2022

Carbonate Reservoir Characterization Using the Cementation Factor: A Case Study of Little Cedar Creek Field, Onshore Alabama

Qifei Huang, Yuefeng Sun

GCAGS Journal

... log data (Vp, Vs, ρ) from this study and a 30 Hz Ricker wavelet. We apply the backus average method to intervals above and below the three interfaces...

2017

Joint physics-based and data-driven time-lapse seismic inversion: Mitigating data scarcity

Yanhua Liu, Shihang Feng, Ilya Tsvankin, David Alumbaugh, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... by 37 shots (point explosions) placed with a constant increment (80 m) along a horizontal line at a depth of 10 m. The source signal is the Ricker...

2022

Interpolated fast and computational-efficient multidimensional singular spectrum analysis (I-FMSSA) for compressive simultaneous-source data processing

Rongzhi Lin, Yi Guo, Fernanda Carozzi, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... consists of 30⇥30 source points with interval Dx = Dy = 20 m in the x and y directions, and a Ricker wavelet of central frequency 20 Hz was adopted. We...

2022

THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY

Anthony R. Wagner

North Dakota Geological Society

... source. In most cases involving dynamite as a source, a Ricker Wavelet and a filter comparable to that used in the actual data...

1984

GPU-based 3D anisotropic elastic modeling using mimetic finite differences

Harpreet Singh, Jeffrey Shragge, Ilya Tsvankin, Fatmir Hoxha

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the Cartesian coordinate planes. The model size with a 7.5 m spacing is [Nx , Ny , Nz ] = 2563 . We inject a Ricker wavelet with a peak frequency of 20...

2022

Full phase-velocity spectrum inversion of multimode Rayleigh waves

Yanlong Niu, Yunyue Elita Li, Siau Chen Chian

International Meeting for Applied Geoscience and Energy (IMAGE)

... 2D seismic wave propagation. As illustrated in Figure 2 (a), the source is represented by a Ricker wavelet with 55 Hz dominant where, O...

2022

Subsurface uncertainty quantification with deep geologic priors: A variational Bayesian framework

Ashutosh Tewari, Brent Wheelock, Jacob Clark, Dallas Foster, Matthew Li, Youssef Marzouk

International Meeting for Applied Geoscience and Energy (IMAGE)

... response using a Ricker source wavelet, with a peak frequency of 10 Hz for all angles. The total record length is 6 seconds with 100 Hz sampling. A Q...

2022

Velocity continuation with Fourier neural operators for accelerated uncertainty quantification

Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... m horizontal grid, and the data is acquired with 102 equally spaced sources and 204 fixed receivers. We use a Ricker wavelet with a central frequency...

2022

Elastic full-waveform inversion using random space shift

Yuhui Yao, Jizhong Yang, Yuzhu Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and they are recorded by 401 receivers placed at depth of 𝑧8 = 2000 𝑚, 𝑥8 = 0 to 𝑥8 = 4000 𝑚 with spacing of 10 m. The source time function is a Ricker...

2022

Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data

Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm

International Meeting for Applied Geoscience and Energy (IMAGE)

... spacing). The source signature is a Ricker wavelet with a 2.5 Second International Meeting for Applied Geoscience & Energy 10.1190/image2022-3751356.1...

2022

Application of a Probability Model to Detect Unrecognised Igneous Intrusions in Sedimentary Basins

Simon Holford, Mark Bunch, Nick Schofield, Michael Curtis

Australian Petroleum Production & Exploration Association (APPEA) Journal

... (and reflection coefficients) for comparison. Synthetic seismogram comprises a Ricker wavelet displayed using European polarity convention...

2022

Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation

Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... but also increasing nonlinearity. Recorded data are computed in the true model with a recording time of 9.6 s and a Ricker wavelet with a peak frequency...

2023

Pre-Platform Exploration of High Island Blocks A-560 and A-561

Jeffrey W. Lund , John S. King , Richard Berlitz , J. A. Gilreath

GCAGS Transactions

... the GEOGRAM (FOOTNOTE *) program, by convolving the computed log reflection coefficients with a 30-Hertz Ricker wavelet. Two examples of the ability...

1978

Ranking DHI attributes for effective prospect risk assessment applied to the Otway Basin, Australia

Sebastian Nixon, Tony Hallam, Andrew Constantine

Petroleum Exploration Society of Australia (PESA)

.... Requires confidence in geological model and seismic wavelet. Modest evidence for unique fluid associated with top reservoir horizon. Requires confidence...

2018

A particle-based elastic wave simulation method in 3D arbitrary anisotropic media using GPU

Pinghao Wang, Xiaofeng Jia

International Meeting for Applied Geoscience and Energy (IMAGE)

... 1.0 0.4 0.24 ÷ =ç ÷ 1.0 5.0 0.35 0.525 ÷ ç -5.0 0.2 ç 0.1 -0.1 0.4 0.35 4.0 -1.0 ÷ ç ç 0.3 -0.15 0.24 0.525 -1.0 3.0 ÷ ÷ è ø (34) We use the Ricker...

2023

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

... Move receivers with source Source frequency 15 Hz Wavelet Ricker Shot number 185 Shot interval 25 meters Receiver number 240 Receiver...

2021

Regional exploration of crustal structures from long-offset OBN data by extended-source FWI

Gaoshan Guo, Stéphane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... engine using a 28 s recording length and a 2 Hz Ricker wavelet. ES-FWI is performed within the (1.5, 4) Hz frequency band. We implement a free-surface...

2024

Seismic applications of the Radon transform and a new second-order traveltime local transform

Ehsan Soleymani, Mauricio Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... corresponds to 91 traces or 251 samples each. The window length is 325 meters, and the interval of x0 is 157 meters. The wavelet used in the data set...

2024

Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition

Xiaole Zhou, Alessandra Ribodetti, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... Ricker wavelet: 2 Distance (km) 4 6 1520 1500 Time(s) Vz 2 Amplitude perc=0% Amplitude perc=15% Amplitude perc=15% Time (s) Amplitude perc=0...

2024

High-resolution seismic reservoir monitoring with multitask and transfer learning

Ahmed M. Ahmed, Ilya Tsvankin, Yanhua Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of 130 m. The source signal is the Ricker wavelet with a central frequency of 10 Hz. We employ 289 receivers evenly distributed with an increment of 20 m...

2024

Integrated Chronostratigraphic Correlation and Its Dilemma: A Case Study in West Natuna Basin Block BŽ Arang Formation

Hanaga Simabrata, Budi R Permana, Agus Sulistiarso, Retno Wijayanti, Redo D Waworuntu

Indonesian Petroleum Association

... for the input Ricker wavelet are 90, 40, 20, and 8 Hz. Most seismic events follow interpreted geologic-time surfaces, however apparent time-transgressive...

2016

Efficient Bayesian full-waveform inversion using a deep convolutional autoencoder prior

Shuhua Hu, Mrinal K Sen, Zeyu Zhao, Abdelrahman Elmeliegy, Shuo Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of 25m. We use 4Hz Ricker wavelet both for data generation and inversion. Signal-to-noise ratio (SNR) is 20 dB after adding random noise to seismograms...

2024

A gradient-free Bayesian full-waveform inversion approach for background model uncertainty quantification

Shuhua Hu, Zeyu Zhao, Fuchun Gao, Faqi Liu, Shuo Zhang, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

...z Ricker wavelet is used as source time function. No noise is added to the data. For inversion, frequency domain data within the band of 2-5H...

2024

Seismic Interpretation of the Rocky Mountain Thrust Front Near the Crowsnest Deflection, Southern Alberta

N.J. Begin, D.C. Lawton, D.A. Spratt

CSPG Bulletin

..., computed using a 25 Hz Ricker wavelet. Correlation of the synthetic seismogram with seismic data from line P-2 shown on the left hand side of the figure...

1996

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