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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,357 documents.
Minnelusa Formation Exploration, Powder River Basin, Wyoming: An Integrated Approach
Laura A. Welch, Jesse C. Taylor
Rocky Mountain Association of Geologists
... wavelet similar in character to a Ricker wavelet. Ricker wavelets were therefore used to create synthetic seismogramsfrom the well logs to correlate...
1985
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... edge (Fig. 1). The source signature shown in the Fig.2, is a single Ricker wavelet with 50Hz. dominant frequency. The computation of all the 2D...
2014
Three-dimensional Seismic Inversion and Geostatistical Reservoir Modeling of the Rotliegend Gas Field
R. K. Shrestha, M. Boeckmann, S. Faruqi, M.-K. Wang
AAPG Special Volumes
... and convolving them with a zero-phase 30-Hz Ricker wavelet having amplitude and frequency characteristics similar to the composite wavelet. The synthetic...
2006
A geophysical prior knowledge guided semisupervised deep learning framework for AVA inversion
Lei Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... by the Ricker wavelet formula. To test the feasibility of the framework, we chose different number of Vp , Vs , and 𝜌 model data to train...
2024
Deep learning based wavefield separation method for VSP data
Gang Feng, Qin Su, Zhe Yang, Wei Yang, Jian-Hua Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... parameters are shown in Table 1. Table 1 forward parameters Type parameters Wavelet Domain frequency Maximum record time Time sample rate Ricker...
2024
From a Field Based Geological Model to a Seismic Image: The Middle Eocene Ainsa System (South-Central Pyrenees); #90017 (2003)
Giovanni Benevelli, S. Angella, L. Fava, P. Rocchini, A. Valdisturlo
Search and Discovery.com
... to compare the synthetic seismic line with the acquired one, we choose a zero-phase, 100 Hz Ricker wavelet (fig. 1). The seismic-modeling software offers...
2003
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
2002
A dense linear array for passive seismic imaging of geothermal structural features: The FOAL experiment at Utah FORGE
Jaewoo Kim, Jonathan Ajo-Franklin, Tanner Shadoan, Valeriia Sobolevskaia, Julia Correa, Barry Freifeld
International Meeting for Applied Geoscience and Energy (IMAGE)
... was generated by convolving a Ricker wavelet with a center frequency of 30 Hz with arrival time data predicted through ray tracing using a velocity model...
2023
Time-lapse full-waveform inversion by model order reduction using radial basis function
Haipeng Li, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... for the baseline FWI. A narrow-offset survey is considered here to test the reflection FWI, with a total of 11 sources (16 Hz Ricker wavelet) and 10-m spacing...
2024
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...
2024
A method to identify subtle carbonate reservoirs
Shaoying Chang, Mengxiu Wang, Kaiyuan Ji
International Meeting for Applied Geoscience and Energy (IMAGE)
... obtained from the carbonate reservoirs but it is worth applying for other convolution of the model (figure 1a) with 35HZ ricker reservoirs. wavelet...
2022
Least-squares migration utilizing high-resolution point spread functions generated from local angle domain illumination vectors
Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
...he PSF was generated from the LAD for each image point, using a 20Hz Ricker wavelet at the target area. The LSM image reveals enhanced details and high-dip fe...
2024
Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)
Zhenhua Li and Mirko van der Baan
Search and Discovery.com
... triangles, while the source is explosive modeled with a Ricker wavelet with a peak frequency of 30HZ. Both the pressure and particle velocities...
2015
The Balance between Geophysics and Geology in Seismic Interpretation, by Alistair R. Brown, #40615 (2010).
Search and Discovery.com
2010
One-Dimensional Prestack Seismic Inversion with Very Fast Simulated Annealing using Edge-Preserving-Smoothing Filter; #41576 (2015)
Somanath Misra, Mauricio Sacchi
Search and Discovery.com
... the Aki-Richards approximation of Zoeppritz equations. The angle-dependent reflection coefficients are further convolved with a known Ricker wavelet...
2015
Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)
A. EWAN CAMPBELL and JAN STAFLEU
AAPG Bulletin
... as in Figure 6a. Figure 8b shows a vertical incidence synthetic seismogram of the platform margin model using a 50-Hz Ricker wavelet...
1992
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... results from convolution of the reflection coefficients estimated from velocity and density logs with a zero phase Ricker wavelet of desired bandwidth...
1983
Seismic Qualitative and Quantitative Analysis for Reservoir Characterization of Globigerina BH Gas Field, North East Java Basin.
Indra Sumantri, Okky Yuditya Pahlevi, Hendra Himawan, Vickry Rowi, Kian Han
Indonesian Petroleum Association
... be continued, in this case the angle is set between 5o – 45o with 30Hz Ricker wavelet convolution to model the offsetdependent reflectivity synthetic...
2021
The importance of viscoelastic waveform inversion in VSP: Synthetic studies
Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelet, which is assumed to be a Ricker wavelet. It gridsearches the best fc to reach the highest maximum correlation coefficient (CC), which corresponds...
2022
Graph-space optimal transport-based 3D elastic FWI for near-surface seismic applications
Dmitry Borisov, Richard D. Miller, Shelby L. Peterie, Julian Ivanov, Anthony M. Hoch, Steven D. Sloan
International Meeting for Applied Geoscience and Energy (IMAGE)
... at x=8 m. Receivers are located between 8 m and 92 m, spaced 2 m apart. To generate the data, we use a vertical force source with a 17 Hz Ricker wavelet...
2022
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
...) and acquisition limitations (geometry footprint, bandlimited source wavelet). An estimate of reflectivity can then be derived through iterative...
2023
Seismic resolution enhancement with self-supervised learning
Shijun Cheng, Tariq Alkhalifah, Haoran Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... is to use the minimal number of wavelet-convolved reflection spikes to simulate a seismic trace. It was initially applied on a trace-by-trace basis, resulting...
2024
Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)
Wubing Deng and Igor B. Morozov
Search and Discovery.com
...-domain differential equations (1)–(3) can be readily implemented in 1-D a finite-difference algorithm. The source is modelled as a zero-phase Ricker...
2015
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...
2022
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...
2024