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The AAPG/Datapages Combined Publications Database
Showing 33,168 Results. Searched 200,685 documents.
Abstract: Kirchhoff Imaging in a Matrix Form. Part I: Modelling; #90174 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
... #1 and column # 5. For simplicity we show this model by a by matrix as ̃ . Assuming constant velocity background and ignoring any amplitude chang...
2014
Predicting Pore Pressure in Carbonates: A Review; #41830 (2016)
Sam Green, Stephen A. O'Connor, Alexander P. Edwards
Search and Discovery.com
.... The velocity increase stops and the magnitude becomes constant as overpressure develops-- lithostat parallel. The carbonate layer has a typically fast velocity...
2016
Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)
John C. Bancroft
Search and Discovery.com
...Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015) John C. Bancroft Datapages...
2015
Deblurring migration images with point spread function filter
Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Schuster (2009), Dai et al. (2011) assume that the migration Green’s function is constant within a subsection window and calculates a bank of stationary...
2022
Analysis of the influence of bedding-parallel cracks on shale anisotropy based on stress-induced rock physics model
Ying Xu, Feng Zhang, Guohua Niu, Xiangyang Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...-parallel crack density (ex-situ), P-wave velocity, S-wave velocity, bulk density, Thomsen’s anisotropy parameters and , from left to the right). (b...
2024
Simulation of Petroleum Migration in Fine-Grained Rock by Upscaling Relative Permeability Curves: The Malvinas Basin, Offshore Argentina
Andre Vayssaire
AAPG Special Volumes
... of the hydrocarbon flow and that the migration distance and velocity is predominantly controlled by the rate and volume of petroleum expelled from...
2012
Modeling-based amplitude recovery (MBAR)
Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church
International Meeting for Applied Geoscience and Energy (IMAGE)
... data. The measured amplitude distortions in processed synthetic data are used to correct those in the processed field data. Migration tests show...
2022
Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013)
A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky
Search and Discovery.com
.... The calculation time with 2.5D modeling is considerably lower than in the case of a 3D modeling for the same medium. Introduction Migration procedures use finite...
2013
Abstract: Converting CRS Attributes to Interval Velocities: An Approach to Build an Initial Velocity Model for Pre-Stack Depth Migration, by Krzysztof K. Sliz; #90077 (2008)
Search and Discovery.com
2008
ABSTRACT: Prestack 3-D TAU migration and Velocity Analysis : Focusing 3-D data from offshore Abu Dhabi; #90051 (2006)
Tariq Alkhalifah, Saif Alsharif, Kamel Belaid
Search and Discovery.com
...ABSTRACT: Prestack 3-D TAU migration and Velocity Analysis : Focusing 3-D data from offshore Abu Dhabi; #90051 (2006) Tariq Alkhalifah, Saif Alsharif...
Unknown
Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia
Malcolm W. Wallace, Guy R. Holdgate, Jim Daniels, Stephen J. Gallagher, Andrew Smith
AAPG Bulletin
...Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia Malcolm W...
2002
Effects of Settling and Preferential Deposition of Sediment on Ripple Roundness Under Shoaling Waves
Naofumi Yamaguchi, Hideo Sekiguchi
Journal of Sedimentary Research (SEPM)
...); η is ripple height, w0 is settling velocity, and T is wave period) is newly introduced. It is shown that ripples developed under shoaling waves...
2010
Geopressuring Mechanism of Organic Matter Cracking: Numerical Modeling
Xiaorong Luo , Guy Vasseur
AAPG Bulletin
... the evolution of various parameters. In all cases, we show the evolution of a range of parameters during burial. In all our case studies, a constant...
1996
Physical Processes in the Ocean
R. H. Fleming, Roger Revelle
Special Publications of SEPM
... by the lateral diffusion due to the turbulence, and also by any residual current of relatively constant direction, no matter how small its velocity...
1955
Geometry and Kinematics of Single-Layer Detachment Folds
Josep Poblet, Ken McClay
AAPG Bulletin
... is accommodated by both outward migration of the axial surfaces and limb rotation. As in model 2, axial surfaces rotate to keep constant stratigraphic...
1996
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
Practical considerations for computing the kernels of reflection-based full-waveform inversion
Houzhu (James) Zhang, Hong Liang, Hongwei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... component of the velocity using vs ( x ) and update the high frequency component of the velocity using vr ( x ) . A synthetic land case study Processing...
2022
The Use of Coherence Cube Visualization in Picking Seismic Processing Parameters and Post Processing Hybrid Visualization Products
Otto J. Welper
GCAGS Transactions
..., static's, dmo, migration velocity evaluation, migration algorithm evaluation and signal to noise evaluation. The final result of this evaluation is normally...
2000
A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand
Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell
Petroleum Exploration Society of Australia (PESA)
... migration velocity model building project, such as shown here, we deliver a single final velocity model and its associated seismic products. The only...
2018
Investigation of Production-Induced Stress Changes for Infill Well Stimulation in Eagle Ford Shale
Xuyang Guo, Kan Wu, John Killough
Unconventional Resources Technology Conference (URTEC)
.... Instead of using the noisy history data, the BHP in the base case is constant at 20.7 MPa (3000 psi). Figure 6a shows fracture geometry of the base...
2017
Statistical depth imaging through complex cluttered near-surface with path summation
Andrey Bakulin, Ilya Silvestrov, Maxim Protasov
International Meeting for Applied Geoscience and Energy (IMAGE)
... al., 2016; Bakulin et al., 2020). While the imperfections in the migration velocity model cause substantial phase errors preventing the extrapolated...
2022
ABSTRACT: TUTORIAL: IMAGING THROUGH SHALLOW GAS, DIVING WAVE
Brian Broussard, Luis Canales, Charles Carvill, Lee Lu, Juan Perdomo, Chung-Chi Shih, Sherman Yang, Peter Melville, Mehmet Tanis
Geological Society of Trinidad & Tobago
... model for depth migration. Refraction tomographic inversion of first arrival times is an iterative process. It includes initial velocity model building...
2007
Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography
Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
... that this tomography can provide high-resolution anisotropic velocity models and subsequent accurate depth migration images. The method has been successfully applied...
2022
Velocity for Pore Pressure Prediction Modeling and Risk Assessment
Selim Simon Shaker
GCAGS Transactions
.... Velocities must be processed for de-multiple, dip move-out (DMO), and prestack migration. Converting the time-velocity pairs to depth-velocity pairs...
2016
Modes of Extension and Oceanization at Magma-Poor Margins: An Example from the Brazilian/African Margins, #30435 (2015). Part1
Marta Perez-Gussinye, Mario Araujo, Marco Romeiro, Miguel Andres Martinez, Jason Phipps Morgan, Elena Ros
Search and Discovery.com
... granulite Dry olivine 35 km Mafic granulite Dry olivine Boundary conditions: constant velocity 5mm/yr at box edges Visco-elasto-plastic rheologies...
2016