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The AAPG/Datapages Combined Publications Database
Showing 193 Results. Searched 200,293 documents.
Stratigraphic and Structural Interpretations Using Diffraction Seismograms
Richard K. Snavely , A.K.M. Sarwar
GCAGS Transactions
...). The model extends from the surface to a depth of 8000 ft and includes twenty horizons. The velocity values above the first horizon are based on only one...
1988
Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset
Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... technologies. RTM is a powerful depth migration technique used to create high-resolution images of complex subsurface structures (e.g., Baysal et al...
2024
Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study
T. Salinas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... (PSDM) that requires perform a careful interpretation in depth as the seismic velocity behavior is modeled. The availability of this structural...
2006
Abstract: Accurate Conversion between Offset Image Gathers and Angle Image Gathers, by Jianming Sheng and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
The effects of marine currents on seismic data
Gary Hampson
International Meeting for Applied Geoscience and Energy (IMAGE)
... a stationary medium overlying a medium moving with velocity u . If an impulse is injected at xs on the boundary, a semi-circular wavefront, centred on xs...
2024
Constraints on Eolian Grain Flow Dynamics Through Laboratory Experiments on Sand Slopes
Richard R. McDonald , Robert S. Anderson
Journal of Sedimentary Research (SEPM)
..., and then steadily decreased to 10 cm/s towards the tail of the flow. The longitudinal velocity gradients created considerable longitudinal strain rates...
1996
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
... wavefield attribute sections that are useful in further processing such as tomographic velocity model inversion and depth migration processing...
2007
Multiple Suppression by the CRS Technique
Search and Discovery.com
N/A
Know Before You Go!
Lars Zühlsdorff, Trond Haugland
GEO ExPro Magazine
... as determined from seismic velocity analysis, well logs, check shots, or even best guesses. On the modeling side, a technique called wavefront construction...
2021
Abstract: Seismic Data Reconstruction Using the Nonlinear Beamforming Framework; #91204 (2023)
Yimin Sun and Quentin Hirsch
Search and Discovery.com
... of them. Every missing data point in the spatial dimension on a wavefront is reconstructed via a weighted summation of a linear interpolation...
2023
Novel Land and Marine Solutions Including Time-Lapse Using High Resolution Multi-Transient EM
Folke Engelmark
Indonesian Petroleum Association
... sampling in relation to target depth, and to achieve the necessary S/N at target levela in the shortest possible time given a particular source...
2008
2.3 Detached Sediments in Extensional Provinces: 2.3.2 Salt Tectonics: Salt Diapirs--East Texas Basin
M. Engleman and D. A. Kemmer
AAPG Special Volumes
.... Depth-converted sections are constructed utilizing velocity surveys that measure the travel-time of a seismic wavefront to depth-selected checkshots...
1983
Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)
Search and Discovery.com
1999
Inferring Stratigraphy from Seismic Data
R. E. Sheriff
AAPG Bulletin
... decreases with depth, and hence resolution deteriorates with depth. At 10,000-15,000-ft (3,000-4,500 m) depth, velocity may be in the 12,000-20,000 ft/sec...
1976
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... with the synthetic seismograms. 4000 Velocity (m/s) 3500 Vs-int-Log(z) Vs-int-Estimated(z) 3000 2500 2000 1500 1000 500 0 1000 2000 3000 4000 Depth (m) 5000...
2015
Streamlining subsurface insights: Single extrapolation for holistic Green's function generation
Hongwei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of migration velocity models. Traditionally, prestack depth migration (PSDM) based on ray-tracing-based Kirchhoff integration is predominantly employed...
2024
1990
Compressive sensing framework using the linear radon transform for 3D ultrasonic data reconstruction in a pinch-out reservoir model
Pedro C. de Assis, Romulo B. da Silva, Irineu A. Lima Neto, Alan C. Galante, Alexandre L. Campi, Alessandro R. de Oliveira, Roseane M. Missagia, Marco A. R. Ceia
International Meeting for Applied Geoscience and Energy (IMAGE)
... to recover the data in the original grid. We also exploited the linear Radon transform by imposing wavefront constraints aiming to obtain a sparser...
2022
Migration Amplitude Recovery using Curvelets
Peyman P. Moghaddam
Search and Discovery.com
... linear system of equations using linear solvers. Examples Figure 1 shows three different curvelets in different locations and angles before and after...
Unknown
Migration Amplitude Recovery using Curvelets
Peyman P. Moghaddam
Search and Discovery.com
... linear system of equations using linear solvers. Examples Figure 1 shows three different curvelets in different locations and angles before and after...
Unknown
Poro-acoustoelasticity FD simulation of elastic wave propagation in prestressed porous media
Haidi Yang, Li-yun Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Velocity-Stress Poro-Acoustoelasticity equations Traditional 2oeCs (bulk and shear moduli) in the realm of linear elasticity are not sufficient to describe...
2022
Seismic Acquisition Optimization for Exploration in Thrust Belts and Foreland Basins; #42268 (2018)
Pedro Muñoz, Juan Uribe, Nestor Sanabria
Search and Discovery.com
...-Linear Primary-Multiple Separation with Directional Curvelet Frames: Geophysical Journal International, v. 170, p. 781-799. Jiang, T., B. Gong, F. Qiao...
2018
Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well
Brian Fuller
Unconventional Resources Technology Conference (URTEC)
... modeled for three different positions in a constant velocity medium of 10,000 ft per second, at a horizontal DAS cable depth of 8,800 ft...
2022
Structure of the Tokai segment from the integrated high-resolution seismic imaging: A case study from the eastern Nankai Trough
Andrzej Grszczyk, Rafael Almeida, Romain Brossier, Ludovic Mtivier
International Meeting for Applied Geoscience and Energy (IMAGE)
... before - provided that the velocity model is accurate. The resulting images in the depth-domain provide detailed and complementary information about...
2022
Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2
B. A. Hardage
AAPG Special Volumes
..., the objectives of vertical seismic profiling are different from those of velocity surveying, specifically: 1. VSP data are recorded at vertically spaced depth...
1985