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The AAPG/Datapages Combined Publications Database
Showing 19,681 Results. Searched 195,354 documents.
Shell Content in Quartzose Beach and Dune Sands, Dee Why, New South Wales
G. S. Gibbons
Journal of Sedimentary Research (SEPM)
... and sub-spherical; some have a very strong network of opaque acicular crystal inclusions and the surface of a fair proportion is iron-stained. Most grains...
1967
Gas Hydrates: Part III: Rock Physics Hydrate Experiments
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
...-wave sonic and resistivity logs. Column 1: Comparison of P-wave velocity (red line) with model results assuming methane hydrate (solid black lines...
2012
Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 2: Modelling Results; #90171 (2013)
Arnim B. Haase and Robert R. Stewart
Search and Discovery.com
... and Robert R. Stewart University of Houston Summary The complete spherical wavefield emanating from a P-wave point source surrounded by a homogeneous isotropic...
2013
Anisotropic elastic full-waveform inversion for crosswell seismic data for Wyoming CarbonSAFE project
Olga Podgornova, Shujaat Ali, Ting Lei, Peng Li, Matthew Johnson, Lu Lee, Zunsheng Jiao, J. Fred McLaughlin, Erik Borchardt, Lin Liang, Pierre Bettinelli, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
...://doi.org/10.2172/1557442. Zhou, C., G. T. Schuster, S. Hassanzadeh, and J. M. Harris, 1997, Elastic wave equation traveltime and waveform inversion...
2023
Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)
David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh
Search and Discovery.com
.... For all depth-distance pairs in the lookup table, semblance-weighted waveform stacks are calculated within P- and S-wave corridors. The location...
2015
Abstract: Wave-Equation Propagation as a Body-Wave Filter, by Benjamin Witten and Brad Artman; #90105 (2010)
Search and Discovery.com
2010
Abstract: Wave-Equation Migration--Two Approaches, by K. Larner, L. Hatton; #90968 (1977).
Search and Discovery.com
1977
I. Relation of Structural Section to Seismic Section
Robert E. Sheriff
AAPG Special Volumes
... compared to the amplitude of the incident wave is given by the change in the product of the densi y and velocity, as shown: [EQUATION] Where...
1981
Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases
M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso
Indonesian Petroleum Association
... and Normal wave radius. The attributes are derived from the CRS stacking equation. Due to its full coverage data use, the CRS stack section results...
2007
Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data
A. A. Tabakov, V.N.Ferentsi, H. Gravini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... ϕ T ( . ) - vector-column of the appropriate coordinates in 3D space. The equation of well trajectory in the new coordinate system becomes {x...
2006
Kapteyn's Transformation of Grain Size Distribution
Jiri Brezina
Journal of Sedimentary Research (SEPM)
...., 1957, Wave-generated ripples in nearshore sands: Beach Erosion Board, Corps of Engineers, Tech. Memo. no. 100, 42+23 p. KAPTEYN, J. C., 1903, Skew...
1963
Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues
Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp
AAPG Bulletin
... in Wadi Birk (coordinates: 46.64420 latitude; 23.28124 longitude), Saudi Arabia (Figure 1B). These laterally heterogeneous facies have high porosity (∼30...
2022
ABSTRACT: Accuracy Analysis for the Hypocenter Estimate in a Microseismic Survey, by Vesnaver, Aldo; Menanno, Giovanni M.; Jervis, Michael; #90141 (2012)
Search and Discovery.com
2012
Estimating Seafloor Strength with C4 Data, by Bob Hardage, #40792 (2011).
Search and Discovery.com
2011
Abstract: Evaluation of the Potential of Wave Equation Depth Imaging Technologies on Land, by Morgan P.Brown and Joseph H. Higginbotham; #90076 (2008)
Search and Discovery.com
2008
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
Mantle Creep: Elasticoviscous Versus Modified Lomnitz Law, and Problems of "The New Global Tectonics"
Paul S. Wesson
AAPG Bulletin
.... Ahrens, T. J., and C. F. Peterson, 1969, Shock wave data and the study of the earth, in The application of modern physics to the earth and planetary...
1972
The Relationship Between the Compressional Wave Velocity of Saturated Porous Carbonate Rocks and Density: Theory and Application
Search and Discovery.com
N/A
Effect of Spherical Pore Shapes on Acoustic Properties in Carbonates, by Gregor T. Baechle, Layaan Al-Kharusi, Gregor P. Eberli, Austin Boyd, and Alan Byrnes, #50047 (2007).
Search and Discovery.com
2007
Application of Extended Elastic Impedance Method and Seismic Stochastic Inversion to Mapping the Distribution of Sandstones and Gas-Sand in LAPANG Field, West Natuna Basin, Indonesia
Gilvano Matthew, Ignatius Sonny Winardhi
Indonesian Petroleum Association
... the well data. EEI is derived by substitution in the linearized Zoeppritz equation: R = A + B tan X (1) Then, R cos X = (A + B tan X) cos X (2...
2014
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... variation with the angle and azimuth (AVAZ) method. Jenner (2002) reformulated the Rüger (2001) equation for P-wave reflection coefficient from a boundary...
2014
ABSTRACT: Seismic Modeling with One-Way Wave Equation, by Jiao, Jianwu; Saleh, Saleh M.; Verschuur, Eric; #90141 (2012)
Search and Discovery.com
2012
Abstract: Attenuation Compensation in Least-Squares Reverse Time Migration Using the Visco-Acoustic Wave Equation, by Gaurav Dutta; #90182 (2013)
Search and Discovery.com
2013
Gypsum-Oolite Dunes, Great Salt Lake Desert, Utah
Daniel J. Jones
AAPG Bulletin
... and cleavage fragments of gypsum, also small pancake-shaped crystals, well rounded 25%--Oolites, both sub-spherical and sub-cylindrical fecal pellet...
1953
Abstract: Nonlinear Inversion of the P-wave P-wave Reflection Coefficient Data, by A. J. Pate; #90952 (1996).
Search and Discovery.com
1996