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The AAPG/Datapages Combined Publications Database
Showing 1,097 Results. Searched 200,357 documents.
ABSTRACT: Azimuthal variations in PP reflection seismic: signals on in-situ stress fields &/or vertical aligned fractures
Heloise Lynn
Rocky Mountain Association of Geologists
... on in-situ stress fields &/or vertical aligned fractures The uses of the azimuthal variations in reflection signatures, traveltime, amplitude, gradient...
2006
Seismic applications of the Radon transform and a new second-order traveltime local transform
Ehsan Soleymani, Mauricio Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
...Seismic applications of the Radon transform and a new second-order traveltime local transform Ehsan Soleymani, Mauricio Sacchi Seismic applications...
2024
ABSTRACT: Hosgri Fault Zone, Offshore Santa Maria River to Point Arguello, California, by David Cummings and Robert A. Gaal; #91038 (2010)
Search and Discovery.com
2010
Abstract: Lab and numerical experiments of how cracks influence the nonlinear interactions of P- and S-waves
Meghdad Darijani, Mandy Sin Huay Lim, Herurisa Rusmanugroho, Alison Malcolm
Atlantic Geology
... properties of rocks. In nonlinear elastic materials, two or more seismic waves interact causing traveltime delays, changes in amplitudes and frequency...
2018
Abstract: Fracture and Lithology Delineation Using Mode Converted P-SV Reflections, by M. Reinaldo, E. Ata, M. Gonzalez, J. Sierra, and J. Perez; #90951 (1996).
Search and Discovery.com
1996
Seismic Stratigraphy and Sedimentation, Magdalena Fan, Southern Caribbean Sea: ABSTRACT
V. Kolla, R. T. Buffler, J. W. Ladd
AAPG Bulletin
... to 2.5 secs two-way traveltime). Although sediments were deposited in the Magdalena Fan since about the Late Cretaceous, terrigenous sedimentation...
1982
Abstract: 4-D, 3-C Seismology and Dynamic Reservoir Characterization - A Geophysical Renaissance, by T. L. Davis, R. D. Benson, S. L. Roche, and D. Talley; #90937 (1998)
Search and Discovery.com
1998
Abstract: 4-D, 3-C Seismology and Dynamic Reservoir Characterization - A Geophysical Renaissance, by T. L. Davis, R. D. Benson, S. L. Roche, and D. Talley; #90928 (1999).
Search and Discovery.com
1999
ABSTRACT: Depth Conversion for Stacked Reservoirs in Tertiary Clastics; #90017 (2003)
Christian Höcker
Search and Discovery.com
... in Tertiary clastics is usually addressed in a rather simplistic fashion. Functions relating 2-way traveltime to depth are used and deviation from...
2003
Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)
Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac
Search and Discovery.com
..., and then sums the appropriate energy from all available input traces. From the raypaths shown in Figure 1, the traveltime t is estimated by the adding...
2014
Abstracts: The Seismic Quest for Estimating Heavy Heavy Oil Viscosity; #90173 (2015)
Fereidoon Vasheghani, Larry R. Lines, and Joan Embleton
Search and Discovery.com
... attenuation tomography algorithm is coupled to the seismic traveltime tomography. Traveltime tomography is completed initially in order to compute the ray...
2015
Abstract: Non-First-Break Solution for Shallow Velocity Anomaly Problem; #90211 (2015)
Emil Blias
Search and Discovery.com
...-density automatic non-hyperbolic NMO picking, (ii) Analytical NMO inversion to estimate shallow velocity structure, (iii) Non-linear horizonbased traveltime...
2015
Abstract: Azimuthal Anisotropy as a Potential Fracture Diagnostic from 3D Surface Seismic Data: Example from Wildcat Hills, Alberta; #90211 (2015)
Draga Talinga and Don Lawton
Search and Discovery.com
... differing most significantly oriented at 60o and 150o. If the azimuthal traveltime variation indicates fracturing, differences in traveltimes can be further...
2015
Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)
Jie Zhang, Oz Yilmaz, and Nanxun Dai
Search and Discovery.com
... roles. For processing land data from mountainous areas, using the first-arrival traveltime tomography approach to resolve the near-surface structures...
2015
Abstract: Turning-Ray Tomography and Tomostatics; #90224 (2015)
Babatunde Arenrin, Gary Margrave, and John Bancroft
Search and Discovery.com
... seismic line. This process is commonly referred to as tomostatics. The traveltime tomography approach used in this study is similar to the constrained...
2015
Abstract: Relative Impedance Inversion of Seismic Traces by Means of Complex Trace Attributes; #90310 (2017)
Kurt Grubbe, Sean McQuaid
Search and Discovery.com
... to identify possible reservoirs. Isolated layers as thin as a few milliseconds two-way traveltime may be resolved, if the noise level of the data...
2017
Revealing the discontinuities by 3D prestack diffraction separation and imaging
Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the homeomorphic imaging common shot point approximation, Khaidukov et al. (2004) estimated the reflection traveltime and focused reflections on the imaginary...
2022
Streamlining subsurface insights: Single extrapolation for holistic Green's function generation
Hongwei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... traveltime to construct a traveltime table, and subsequently generating ODCIGs using Kirchhoff PSDM (Pu et al., 2021; Jin et al., 2023). However...
2024
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... traveltimes. By performing a nonlinear traveltime tomography (Zhang and Toksoz, 1998) applied to picked first-arrival times, we estimated a final...
2008
Time-Lapse Seismic and Geomechanics
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... traveltime shifts to conclude that the overburden at Ekofisk had been stretched and that the chalk reservoir rock was compacted due to production...
2017
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
.... 1. Then the traveltime t is a function of dx and dy. This function contains only even powers of dx and dy. For conventional spreadlengths close...
Unknown
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
.... 1. Then the traveltime t is a function of dx and dy. This function contains only even powers of dx and dy. For conventional spreadlengths close...
Unknown
Abstract: Cross-Validation of 3C and 9C Prestack Shear Wave Splitting Analysis at Big Sky; #90224 (2015)
Jeff P. Grossman and Gulia Popov
Search and Discovery.com
... features and spatial resolution. As expected from theory, the traveltime delays between fast and slow modes estimated from pure shear wave data are twice...
2015
A depth uncertainty estimation system with prestack seismic data
Huafeng Liu, Andrey H. Shabelansky, Jinsong Chen, Min Yang, Cory J. Hoelting, Ying Tan
International Meeting for Applied Geoscience and Energy (IMAGE)
... is surface offset, 𝒗 𝒏𝒎𝒐 and 𝜼 𝒆𝒇𝒇 are effective NMO velocity and effective Eta, respectively, 𝑡0 and 𝑡 𝑥 are two-way traveltime at 0 and x offset...
2022
Structure of the Gudauta Bank According to Reconnaissance Seismic Investigations
Yu. P. Neprochnov, V. N. Moskalenko
Petroleum Geology: A Digest of Russian Literature
... in the frequency range of 5-10 hertz. Counter and overtaking traveltime curves were obtained on the refraction profile. A composite traveltime curve...
1963