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The AAPG/Datapages Combined Publications Database
Showing 19,691 Results. Searched 195,405 documents.
Basin-Filling Models: Chapter 9
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
... systems, major additional independent variables include the wave climate, distribution of wind-driven currents, eustatic sea level, and the various...
1990
Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP
Mohammad Risyad
Indonesian Petroleum Association
... side of equation (2) versus frequency is performed. The slope, m can be expressed in Q-factor, Q as: 3. compressional wave attenuation is usually...
2018
Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)
Jianhua Pan
Search and Discovery.com
...Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014) Jianhua Pan AAPG Search and Discovery...
2014
Concave Sand Grains in Eolian Environments: Evidence, Mechanism, and Modeling
B. T. Werner , E. Merino
Journal of Sedimentary Research (SEPM)
..., DURAND, J., AND MERINO, E., 1990, Water-transfer cylindrical structures in the Late Proterozoic eolian sandstones in the Taoudeni Basin, West Africa...
1997
COMBINING GEOSTATISTICS AND MULTI-ATTRIBUTE TRANSFORMS: A CHANNEL SAND CASE STUDY, BLACKFOOT OILFIELD (ALBERTA)
B. Russell, D. Hampson, T. Todorov and L. Lines
Journal of Petroleum Geology
... to the mapping procedure. Fig. 1 shows the distribution of wells in the 3D survey area, as well as a line, ("crossline 18"), from the P-wave seismic dataset...
2002
Abstract: High Quality Acoustic and Elastic Modeling; #90187 (2014)
Y. Jewoo, C. S. Shin, and R. P. Bording
Search and Discovery.com
... modeling accomplishes our goal of using the complete wave equation. But all of these techniques are compute intensive and much effort is required...
2014
Abstract: Converted Wave Shot Profile Wave Equation Migration Toolbox Kit; #90224 (2015)
Mark Ng
Search and Discovery.com
...Abstract: Converted Wave Shot Profile Wave Equation Migration Toolbox Kit; #90224 (2015) Mark Ng Datapages/Search and Discovery Article #90224...
2015
Evaluation of Seismic Exploration in Sub-Volcanic Reservoir Area by Synthetic Seismic Modeling
Yulia Nur Fajrina, Muhammad Ghazalli
Indonesian Petroleum Association
... at the processing. Then spherical divergence correction is applied because there is attenuation caused by interval and geometry of wave propagation...
2015
Use of Layered Formation Models in Deformation Analysis; #40853 (2011)
Eric Davis
Search and Discovery.com
... for smaller contrasts. For this work, the perturbation model was coded in Matlab, and the surface integral was written using cylindrical coordinates, which...
2011
Abstract: Microseismic Event Locations for Deviated Boreholes; #90187 (2014)
Amna Feroz and Mirko van der Baan
Search and Discovery.com
... location is solved. One of the main advantages of using S-P travel time is evident from equation (4) and (5) (4) (5) Hence source location coordinates...
2014
The Axial Ratio C/B as an Indicator of shape Selective Transportation
Luis A. Spalletti
Journal of Sedimentary Research (SEPM)
... from those of discoidal and bladed form, and the geometricity ratio is given by the equation [rods % + spherical %]/[discs % + blades...
1976
The emergence and impact of scientific machine learning in geophysical exploration
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a forward solver for the eikonal equation and the wave equation. For example, Waheed et al. (2020) and Smith et al. (2020) showed how PINNs could be used...
2023
Abstract: Rock-Physics Modeling of Shallow Marine Sediments, by Alok Kumar; #90081 (2008)
Search and Discovery.com
2008
Sorting of Sediments in the Light of Fluid Mechanics
Douglas L. Inman
Journal of Sedimentary Research (SEPM)
... in suspension are spherical, of diameter d, and of the same specific gravity, then the settling velocity of the particles (equation 8) is a function of d only...
1949
Abstract: Petrophysical Relationship to Predict Synthetic Porosity Log, by Guntoro, Thariq; Putri, Intan A.; #90163 (2013)
Search and Discovery.com
2013
Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2
B. A. Hardage
AAPG Special Volumes
... spherical divergence, such as dispersion, S-wave conversions, and scattering. One can establish the accuracy of amplitude processing near a VSP well...
1985
Abstract: Slant-Wave Stack, by Jon F. Claerbout, Philip S. Schultz, Raul Estevez; #90976 (1976).
Search and Discovery.com
1976
Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)
Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang
Search and Discovery.com
... and the substratum model is estimated by half-space velocity analysis. (4) The subsurface image is obtained by wave equation based prestack depth...
2015
A double double-porosity model for wave propagation in patchy-saturated tight sandstone with fabric heterogeneity
Jing Ba, Mengqiu Guo, Wenhao Xu, Fengyuan Sun, Lin Zhang, Wei Cheng
Petroleum Exploration Society of Australia (PESA)
..., the corresponding local fluid flow governing equation is derived. The equations of wave propagation are The Australasian Exploration Geoscience...
2018
Methods of Calculating Total Organic Carbon from Well Logs and its Application on Rocks Properties Analysis; #41372 (2014)
S. Z. Sun, Y. Sun, C. Sun, Z. Liu, and N. Dong
Search and Discovery.com
... technique, analysis of TOC effects on rock properties is performed, showing the characteristics of high S-wave Impendence (SI), high Poisson’s ratio...
2014
Climate Models and their Application
Eric J. Barron, George T. Moore
Special Publications of SEPM
... course). The spherical truncations set the horizontal resolution. Typical model resolutions include R15 (Rhomboidal truncation with fifteen wave numbers...
1994
Computer Simulation of Nearshore Sediment Transport: ABSTRACT
Graeme F. Bonham-Carter
AAPG Bulletin
... and subaqueous topography, assuming constant wave conditions? A computer simulation model is used to explore these questions. Components of the model...
1969
Abstract: 3D Alford Rotation Analysis for the Diamond M Field, Midland Basin, Texas, by Oswaldo Davogustto Cataldo, Tom Thomas, and Steve Roche; #90205 (2014)
Search and Discovery.com
2014
Abstract: Subsalt Velocity Estimation Using Wave-Equation Tomography with Surface Offset Gathers; #90319 (2018)
Yujin Liu, Yan Wu, Xiongwen Wang, Tong W. Fei, Yi Luo
Search and Discovery.com
...Abstract: Subsalt Velocity Estimation Using Wave-Equation Tomography with Surface Offset Gathers; #90319 (2018) Yujin Liu, Yan Wu, Xiongwen Wang...
2018
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