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The AAPG/Datapages Combined Publications Database

Showing 33,168 Results. Searched 200,685 documents.

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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: 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

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