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The AAPG/Datapages Combined Publications Database
Showing 20,829 Results. Searched 200,357 documents.
Petrophysical Characterization of 3D Printed Rock and Its Substitution in the Validation Experiment, #42303 (2018).
Lingyun Kong, Mehdi Ostadhassan, Chunxiao Li, Lei Gong,
Search and Discovery.com
... of 3D printed rocks have not been fully understood, and the application just stays in the preliminary stage. In this study, intact cylindrical samples...
2018
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
Analysis of the Wavefields Around the Borehole During Acoustoelectric Logging
Search and Discovery.com
N/A
Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia
Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham
Indonesian Petroleum Association
... are recorded simultaneously with the coordinates of the source location. This is important for processing accuracy and turnaround times. The Maxis unit...
1994
Abstract: Shallow VSP Survey using a Small Vibrator Source; #90171 (2013)
Joe Wong, Soo K. Miong, Robert R. Stewart, Eric V. Gallant, and Kevin W. Hall
Search and Discovery.com
... component data were subjected to wavefield separation to remove down-going P-wave and S-wave events, as well as other up-going and down-going low-velocity...
2013
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)
... function for injecting the point source š š” at the source location š± . The second-order wave equation could be solved using the finite difference method...
2023
3D velocity model building based upon hybrid neural network
Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The wave equation is written in terms of the second-order ļ¬nite difference solution, p (r,t + āt) = c (r)2 āt 2 ā2 p (r,t) + f (r,t) Ī“ (r ā rs ) +2p (r...
2022
Mudstone Geophysical Properties for Pressure Prediction
Dan Ebrom
GCAGS Transactions
... geophysical properties to start with are total porosity (or equivalently, density), P-wave velocity, and S-wave velocity. Earlier model...
2008
The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana DataāPulling the Scales from our Eyes; New Truth from Existing Datasets
John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding
GCAGS Transactions
... of the earth in time or depth. The process reverses the wave propagation defined by the wave equation. Whether Kirchhoff or wave equation techniques are used...
2013
The Significance of Hummocky Cross-Stratification (HCS) Wavelengths: Evidence from an Open-Coast Tidal Flat, South Korea
Byongcheon Yang, Robert W. Dalrymple, Seungsoo Chun
Journal of Sedimentary Research (SEPM)
..., as derived from the relevant curve in Figure 6 using Equation 4. Wave-Size Distribution on the Tidal Flats The landward decrease in storm-bed thickness...
2006
2012
Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels
John S. Bridge
CSPG Special Publications
... is given as The system of orthogonal, curvilinear coordinates used in equation (1) is shown in Fig. 1: y is local flow depth; yc is centreline depth...
1977
Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels
John S. Bridge
Dallas Geological Society
... is given as The system of orthogonal, curvilinear coordinates used in equation (1) is shown in Fig. 1: y is local flow depth; yc is centreline depth...
1977
Abstract: Seismic Modelling and Monitoring of Carbon Storage in a Shallow Sandstone Formation; #90174 (2014)
Virginia C. Vera and Don C. Lawton
Search and Discovery.com
.... In addition to the modelling, the CO 2 plume was estimated, calculating size and shape by using a volumetric method and cylindrical approximation...
2014
Abstract: An RBF-FD Scheme on Hexagonal Grids to Solve the Helmholtz Equation with High Wavenumber; #90255 (2017)
Mauricio Londono
Search and Discovery.com
... in frequency-domain it is priority to have an accurate solver for wave equation, a.k.a Helmholtz equation, in many values of the frequency. Due to numerical...
2017
Deformation of Earth's Lithosphere with Reference to Tidal Couples
R. C. Bostrom, M. A. Sherif, R. H. Stockman
AAPG Special Volumes
.... The tidal potential U of the moon (Slichter, 1971) may be expressed as a series of solid spherical harmonics of degree not less than two: [EQUATION...
1974
Abstract: The Design and Application of Converted-wave COVs; #90187 (2014)
Richard Bale, Tobin Marchand, Keith Wilkinson, and Jeff Deere
Search and Discovery.com
...Abstract: The Design and Application of Converted-wave COVs; #90187 (2014) Richard Bale, Tobin Marchand, Keith Wilkinson, and Jeff Deere AAPG Search...
2014
Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)
Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders
Journal of Sedimentary Research (SEPM)
... below the trend predicted by the Wyllie equation. Moderately cemented grainstones (circles with dot) have considerably higher P-wave velocities o...
1997
Accurate simulations of pure P-waves in attenuating transversely isotropic media
Qiang Mao, Jianping Huang, Xinru Mu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... To describe the attenuation and anisotropy properties of subsurface media, the pureviscoacoustic anisotropic wave equation has been developed...
2023
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... In this paper, we implement a method for extracting fracture attributes in weak HTI (Horizontal Transverse Isotropic) media based on P-wave azimuthal...
Unknown
Fracture Detection by Azimuthal Differential Residual Moveout
Juefu Wang
Search and Discovery.com
... In this paper, we implement a method for extracting fracture attributes in weak HTI (Horizontal Transverse Isotropic) media based on P-wave azimuthal...
Unknown
Application of Wave Equation Tomography in Frontier Areas
Tien-when Lo, Guy W. Purnell
Indonesian Petroleum Association
...Application of Wave Equation Tomography in Frontier Areas Tien-when Lo, Guy W. Purnell 1990 245 251 In frontier areas, insufficient information...
1990
Depth of Disturbance of Sand on Sea Beaches by Waves
C. A. M. King
Journal of Sedimentary Research (SEPM)
... to the square of the wave height and one power of the wave length. The equation used to give wave energy was E = 0.64 w H2T2, where E is the wave energy...
1951
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
Leveraging Unsupervised Machine Learning on Seismic Images of Miocene Deposits in the Carpathian Foredeep Basin for Facies Classification
Reva Wiratama, Fikrah Elhifzi Harahap, Imoleayo Fashagba, Kamil CichostÄpski
Indonesian Petroleum Association
... on seismic data scattered on shale interlaying sandstone. SEISMIC FEATURE EXTRACTIONS Seismic data is generated by elastic waves that propagate P-wave...
2022