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The AAPG/Datapages Combined Publications Database
Showing 20,858 Results. Searched 200,616 documents.
Sonic Log Analysis from Isotropic and Anisotropic Media In Carbonate Reservoir, the Case Study at Stella Alpina Field
Wahyu Tri Sutrisno, Septian Prahastudhi, Ari Teguh Sugiarto, Ayi Syaeful Bahri, Dwa Desa Warnana, Yulia Putri Wulandari
Indonesian Petroleum Association
... Richards equation has better results in complex wave propagation. For future work, it is planned to use VSP and multi-well analysis to analyze...
2014
Extended Abstract: Horizontal Heterogeneity Measurement of Strength and Elastic Properties for Conventional and Unconventional Rocks
Ji Soo Lee
GCAGS Transactions
... using the empirical calibration equation to convert to the corresponding UCS values (Lee et al., 2014). The radial acoustic scanning measures primary...
2020
Abstract: Influence of Cooling and Heating Rate on CO2 Condensation and Evaporation Observed in a Saturated Synthetic Rock Sample; #90187 (2014)
R. Kofman, A. Rabbani, G. Njiekak, and D. R. Schmitt
Search and Discovery.com
... in the interpretation of field seismic observations, simultaneous ultrasonic measurements of wave velocities are being conducted on a variety of porous materials...
2014
Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)
Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang
Search and Discovery.com
... integral equation of one-way wave field continuation from the scalar wave equation and gave the explicit expression of angular frequency domain...
2023
Bridging the gap: Deep learning on seismic field data with synthetic training for building Gulf of Mexico velocity models
Stuart Farris, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... body. The CNNs were trained on three datasets: field data, data generated with the acoustic constant-density isotropic wave equation, and data...
2023
Data-embedded physics-informed neural network for electromagnetic wave propagation simulation: Potentials and challenges
Yawei Su, Wenyi Hu, Jiefu Chen, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The governing equation is the wave equation for the electric field in the strike direction, denoted as y direction, in the frequency domain, ଶ (1) ∇ଶ ܧ௬...
2024
PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding
Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... slope attribute. The implementation comprises two fully-connected neural networks trained using the local plane wave differential equation as well...
2023
Deep learning approach to inverting flexural wave dispersion
Hengjian Zhang, Zhifen Sun, Xianzhi Li, Xiaofang Sun, Chu Wang, Ya Jin, Xiaofei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... wave that propagates along the wellbore wall. The dispersion characteristics of these waves are determined by the dispersion equation(Tang and Cheng...
2024
Supercritical Flow in Density Currents
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
.../wavelength relationship defined by Kennedy can be extended to density currents through use of the internal wave equation. Unfortunately, however, observation...
1974
Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms
Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Then the same approach is repeated for the bulk modulus K (where in the equation for the complex P-wave modulus K + (4/3)G, the complex shear...
2022
Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014)
Xinxiang Li and Jeff P. Grossman
Search and Discovery.com
...Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014) Xinxiang Li and Jeff P. Grossman AAPG Datapages/Search and Discovery...
2014
Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014)
Roohollah Askari and Robert J. Ferguson
Search and Discovery.com
...Abstract: Estimation of Dispersive Parameters of Surface Wave Using the Generalized S Transform; #90187 (2014) Roohollah Askari and Robert J...
2014
Numerical experiments to characterize P-wave attenuation in partially saturated non-isothermal porous media
Naddia D. Arenas, Gabriela B. Savioli, Juan E. Santos, José M. Carcione
International Meeting for Applied Geoscience and Energy (IMAGE)
...Numerical experiments to characterize P-wave attenuation in partially saturated non-isothermal porous media Naddia D. Arenas, Gabriela B. Savioli...
2023
Abstract: Kirchhoff Imaging in a Matrix Form. Part I: Modelling; #90174 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
...) equation to calculate the modelling time for each sample in each trace. Proper weighting functions, filtering, interpolation, dip, and aliasing controls...
2014
Accelerating innovation with software abstractions for scalable computational geophysics
Mathias Louboutin, Philipp Witte, Ali Siahkoohi, Gabrio Rizzuti, Ziyi Yin, Rafael Orozco, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
..., inverse problems based on the wave-equation (e.g., medical ultrasound). We developed a software environment aimed at scalable research and development...
2022
Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)
Paul F. Anderson
Search and Discovery.com
... to an equation that relates the reflectivity at a given angle (offset) to P-wave and S-wave reflectivities. The gathers, as delivered by the processor...
2013
Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)
Paul F. Anderson
Search and Discovery.com
... to an equation that relates the reflectivity at a given angle (offset) to P-wave and S-wave reflectivities. The gathers, as delivered by the processor...
2013
Modeling-based amplitude recovery (MBAR)
Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Freeman and Co. Askim, O. J., U. Albertin, K. Matson, and M. Gherasim, 2010, Wave-equation-based illumination determination for amplitude versus angle...
2022
Direct S-wave seismic data interpretation for channel sand reservoir at Sanhu area, West China
Rui Zhang, Zhiwen Deng, Yan Wang, Xiaoyu Xi, Xiusong Wang, Jie Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The rotation matrix is shown in equation (2). In an isotropic media, SrRr is the SV wave mode and StRt is the SH wave mode. No energy appears in the SrRt...
2023
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
...Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014) Waheduzzaman...
2014
Transformation of point-to-line source seismogram in a 2D geological model
Moosoo Won, Bing Zhou, Mohamed Jamal Zemerly, Mohammad Al-Khaleel, Mohamed Kamel Riahi
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and 𝑉 𝑃 denotes the acoustic velocity. Equation (1) indicates that the amplitude of the 3D acoustic wave inversely diminishes with the offset (𝑟 −1 ). The 2D...
2024
P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta
Faranak Mahmoudian
Search and Discovery.com
...P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta Faranak Mahmoudian P-Wave Impedance...
Unknown
P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta
Faranak Mahmoudian
Search and Discovery.com
...P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta Faranak Mahmoudian P-Wave Impedance...
Unknown
Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)
Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
... toward the receiver, vary with depth and depend on the Vp/Vs ratio, where Vp is P-wave velocity and Vs is S-wave velocity. A quartic equation for offset...
2014
Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field
Patrick Fouchard, Scott Leaney, Sugimin Harsono
Indonesian Petroleum Association
... and matrix, respectively. Equation 3 forms the basis for the evaluation of φ in what follows. Dividing equations 1 and 2 yields: which exposes...
1996