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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,357 documents.
Seismic Acquisition and Processing
Bruce S. Hart
Special Publications of SEPM
... Seis ic Interpretation 00 30° 60° 90° 30 Hz Ricker Wavelet Figure 3 .5 . Illustration showing the effects of phase on a si ple wavelet...
2000
Least-squares reverse time migration of seismic source coding based on Shearlet transform
Yingkaer Nabi, Xiangbo Gong, Zhuo Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the grid size is dx=dz=8m, the dominant frequency of the Ricker source wavelet is 25Hz, the sampling interval is 0.001s, and the recording time is 1.5s...
2022
Detail Illustration of Structural Discontinuities: Fault Intensity Attribute to Enhance the Fault Likelihood, Hessian Derivative and Fault Extraction
Aji Darma Maulana, Argya Hastubrata Basundara, Muhammad Hafiz Baharuddin, Syukron Ady Purnawiranto, Muhammad Alfateh Saifullizan
Indonesian Petroleum Association
... Note Ricker 7 hz 1 64 ms Normal Polarity 1 ms No 13 Figure 13 - Gaussian Form Wavelet Operation. RESULT AND DISCUSSION Figure 14 displays the True...
2023
AVA attribute estimation from misaligned seismic gathers using U-Net
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
...lly compare with actual seismic data and evaluate the match quality, these reflectivities are convolved with a Ricker wavelet with a central frequency of 20H...
2024
Seismic Meta-Attributes and the Illumination of the Internal Reservoir Architecture of a Deepwater Synthetic Channel Model, #41267 (2014)
Staffan Van Dyke, Renjun Wen
Search and Discovery.com
... by using a 30 Hz Ricker wavelet and the acoustic impedance volume calculated from velocity and density volumes, through a 1‐D convolutional...
2014
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...
2022
Geologic Considerations for Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data
L. D. Meckel Jr. , A. K. Nath
AAPG Special Volumes
..., no. 3, p. 516-538. Ricker, N., 1953, Wavelet contraction, wavelet expansion and the control of seismic resolution: Geophysics, v. 18, no. 4, p...
1977
Seismic inversion with dictionary learning using unsupervised machine learning
Debajeet Barman, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
...(t) is the source wavelet. 15Hz minimum phase Ricker wavelet is used for computation. For comparison purposes, the reflectivity section is detrended...
2022
Quantitative Interpretation: Use of Seismic Inversion Data to Directly Estimate Hydrocarbon Reserves and Resources
James Shadlow, Adam Craig, David Christiansen, Robert Mitchell
Petroleum Exploration Society of Australia (PESA)
... mathematically) zero-phase Ricker wavelet, matched to the dominant frequency in the Triassic at the well. Generally, the checkshot data showed a very good match...
2018
Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data
Liwei Cheng, James Simmons, Ali Tura
International Meeting for Applied Geoscience and Energy (IMAGE)
... finite-difference method with a 25 Hz Ricker wavelet and a free-surface boundary condition. The velocity model is shown in Figure 2a, and the density...
2022
Joint inversion of magnetotelluric and seismic travel time data with intelligent interpretation of geophysical models
Hongyu Zhou, Rui Guo, Maokun Li, Fan Yang, Shengheng Xu, Zuzhi Hu, Deqiang Tao
International Meeting for Applied Geoscience and Energy (IMAGE)
... be defined with ρi+1 vi+1 − ρi vi Zi+1 − Zi = Ri = ρi+1 vi+1 + ρi vi Zi+1 + Zi where Ri is seismic reflectivity, Wi is zero phase ricker wavelet , ni...
2022
Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology
Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah
Indonesian Petroleum Association
.... Figure-10 shows synthetic seismogram generated using 40Hz Ricker wavelet compared to trace of 2004 data and trace from final result of broadband processing...
2020
Fracture-cavity carbonate reservoir identification based on channel attention mechanisms
Liuxin Yang, Yongqiang Ma, Guangxiao Deng, Zhen Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to calculate reflectivity and further convolve a Ricker wavelet to obtain synthetic seismic traces (Figure 3a). The Ricker wavelet was created with a dominant...
2023
Acoustic modelling with elastic AVA effects
Robin P. Fletcher, James Hobro, James Rickett
International Meeting for Applied Geoscience and Energy (IMAGE)
... on all edges. The source is placed at (3000 m, 92 m) and receivers every 1 m at a depth of 92 m, giving a maximum offset of 3 km. A Ricker wavelet...
2023
A 3D immersed boundary method for acoustic wavefield simulation with irregular surface topography
Xiang Li, Ziduo Hu, Yancan Tian, Wei Liu, Zhonghua Xu, Gang Yao
International Meeting for Applied Geoscience and Energy (IMAGE)
... × 151 cells with a sampling interval of 10 meters in X, Y and depth directions. The source signature is a Ricker wavelet with a dominant frequency...
2023
Simulation of seismic waves in the fluid-solid coupled thermoelastic medium
Sen Yang, Guochen Wu, Junzhen Shan, Hongying Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the explosive source is simulated using a Ricker wavelet (fm=20 Hz), and the sampling interval is dt=0.8ms. Fig. 2 is a snapshot of the wavefields at 1144ms...
2023
Optimal transport for elastic source inversion
Tyler Masthay, Björn Engquist
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Figure 1 demonstrates that convexity of W2 under shift is preserved after renormalization of a model elastic wave with a Ricker wavelet source...
2023
Finite-frequency transmission traveltime tomography in VTI media
Fei Luo, Lanlan Yan, Jiexiong Cai
International Meeting for Applied Geoscience and Energy (IMAGE)
... uniformly distributed on the surface, with the distance between detection points of 0.005km and the starting position. Ricker wavelet with dominant...
2024
Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)
Peng Cheng, Gary F. Margrave, David C. Henley
Search and Discovery.com
.... The synthetic seismic trace was created using a Ricker wavelet with a dominant frequency of 40Hz. The last event of the synthetic seismic trace is generated...
2015
Abstracts: Feasibility of 4D Multicomponent Seismic Methods for Monitoring CO2 Storage in the Redwater Leduc Reef, Alberta; #90173 (2015)
Taher M. Sodagar and Don C. Lawton
Search and Discovery.com
... were generated by convolving the reflectivity functions at the computed arrival times with a zero-phase 40 Hz Ricker wavelet for PP data and a 20 Hz...
2015
Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction
Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
...-velocity (Figure 3). The source pulse is a Ricker wavelet of 100-Hz central frequency. We set up two cases on this model: one with no thin beds...
2015
Seismic Profile Through Patrick Draw-Table Rock Area, East Flank Rock Springs Uplift, Wyoming
Robert T. Ryder, Myung W. Lee, Warren F. Agena, Robert C. Anderson
Wyoming Geological Association
... a symmetrical 80-Hz Ricker wavelet. Stratigraphic units contributing to the major reflection horizons are identified. The reflection coefficient (Rc...
1989
Inverse scattering theory: Time-dependent perturbation theory for wave scattering in time varying media
Xingguo Huang, Ru-Shan Wu, Pan Zhang, Wenrui Ye, Morten Jakobsen
International Meeting for Applied Geoscience and Energy (IMAGE)
... is a Ricker wavelet with a dominant frequency of 20 Hz. The recording time is 2 s and the sample interval is 1ms. The medium is perturbed at t = 0.4s...
2022
Analysis of the impact of demigration on traveltime-based reflection full-waveform inversion
Hong Liang, Houzhu (James) Zhang, Hongwei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
...simple two-layer model with one reflector at depth of 1500 m (source wavelet is a Ricker wavelet with peak frequency of 10Hz). The velocity in the upper...
2022
Use of 2-D and 3-D Seismic Data to Reduce Drilling Risk, Ismay Algal-Mound Play, Southern Paradox Basin
Beth McBride, Claudia A. Rebne
Rocky Mountain Association of Geologists
... response is shown with a 40 Hz Ricker wavelet (Fig. 6B). The tuning point is defined as where constructive interference of the wavelets from the positive...
1997