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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,691 documents.
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
Joint full-waveform inversion of time-lapse OBN data at Thunder Horse field
Simon Luo, Esteban Diaz, Madhav Vyas, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
... baseline velocity and (b) true time-lapse velocity changes. RESULTS and inverted using a 6Hz Ricker wavelet, and the maximum source-receiver offset...
2024
DAS Recorded Body and Tube Wave Generated by Perforation Shots: Analysis and Numerical Modeling for Completion Monitoring and Reservoir Characterization
Shuang Zhang, Aleksei Titov, Vikram Jayaram, Hector Bello, Robert Hurt, Ge Jin
Unconventional Resources Technology Conference (URTEC)
... choose an explosive source, representing a perforation shot and a Ricker wavelet with 250 Hz central frequency as a source function. The wellbore region...
2021
First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology
Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda
Indonesian Petroleum Association
... Seismogram in zero phase 25 Hz ricker wavelet (left), 1-dimension corridor stack image in zero phase 5-40 Hz (middle), and 2-dimension common depth point...
2023
Abstract: Full Waveform Inversion of Crosswell Seismic Data Using Automatic Differentiation; #90187 (2014)
Danping Cao and Wenyuan Liao
Search and Discovery.com
.... The synthetic waveform records were computed using the popular time domain finite difference code. The Ricker wavelet with a central frequency 180Hz...
2014
Abstract: Time-Lapse FullWaveform Inversion Application To Seismic Monitoring Of CO2 Sequestration; #90224 (2015)
Wubshet Alemie
Search and Discovery.com
... of 4 m by 4 m. The true time-lapse change in velocity is also shown in Figure 2(a). The true velocity models and a Ricker wavelet with central...
2015
Uncertainty in Surface Microseismic Monitoring; #41258 (2013)
Mike Mueller, Michael Thornton, and Leo Eisner
Search and Discovery.com
.... 100 events at a depth of 10,000 feet and located near the center of the array were modeled using a 30 Hz center frequency minimum-phase Ricker...
2013
Time-Lapse Imaging of Heavy Oil Reservoirs at Shallow and Deep Using Ultra-Stable Seismic Sources; #41994 (2017)
Junzo Kasahara
Search and Discovery.com
... was 20 Hz Ricker wavelet for both cases. 1st case: reservoir at 2 km In the model with a reservoir at 2 km in depth, as shown in Figure 4, we used...
2017
Carboniferous Geology and Tectonic History of the Southern Fort Worth (Foreland) Basin and Concho Platform, Texas
Robert C. Grayson Jr., Glen K. Merrill
Dallas Geological Society
... Locality 19 Stop 3, Ricker Station Limestone 21 Stop 4, McClellan Ranch Section 24 Stop 5, Regency, Texas - Section overlook 28 Stop...
1991
ABSTRACT: 3-D Synthetic Seismic Modeling of Turbidite Sandstones
Kathleen O. Horkowitz , William R. Morris , Mark H. Scheihing , H. DeVille Wickens
GCAGS Transactions
... the acoustic impedance volume with Ricker wavelets having different peak-frequencies. These models illustrate: 1) the seismic response to changes...
1999
Seismic Models of 15 Stratigraphically Controlled Oil and Gas Fields Containing Sandstone Reservoirs in Rocky Mountain Basins: ABSTRACT
Robert T. Ryder, Gerald N. Smith, Myung W. Lee
AAPG Bulletin
... the models were derived. Final synthetic seismic sections are displayed with symmetrical Ricker wavelets at three different frequencies. Many of the 15 fields...
1980
Geological Controls on Hydrocarbon Entrapment within the Lower Cretaceous Cantuar Formation, Wapella Field, Southeastern Saskatchewan
P.E. Putnam
CSPG Bulletin
... was created from wells with closest spaced sonic logs. Vertical scale is .5 seconds. A 15 ms zero phase Ricker wavelet with a 1.5 ms amplitude was used...
1989
Lithoprobe Seismic Transect of the Alberta Basin: Compilation and Overview
Jacqueline Hope, David W. Eaton, Gerald M. Ross
CSPG Bulletin
... reflections for stratigraphic correlation along the transect. The synthetic seismograms were generated with a 25 Hz zero-phase Ricker wavelet, and include...
1999
Sequential vertical gas charge into multilayered sequences controlled by central conduits
M. Foschi, J. A. Cartwright, and C. W. MacMinn
AAPG Bulletin
... seismic data. The obtained wavelet was zero phase and nearly consistent with a Ricker wavelet in shape. The synthetic seismograms were finally calibrated...
2018
Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes
Rafael Souza, David Lumley, Jeffrey Shragge
Petroleum Exploration Society of Australia (PESA)
... approximation per equation (1). We convolve the computed reflection coefficients with a 50Hz Ricker wavelet to generate the synthetic 3D seismic data image...
2016
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... function is a Ricker wavelet with the dominant frequency of 7 Hz. The diagonal Hessians in Figure 5 reveal that large seismic energy is concentrated...
2024
Abstract: Seismic Detection of Cracks in Carbonates Associated with Potash Mining; #90171 (2013)
Zimin Zhang and Robert R. Stewart
Search and Discovery.com
... distributed cracks and Brown and Korringa’s (Brown and Korringa, 1975) low-frequency relations for aligned cracks. The sequence for modeling fractures...
2013