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The AAPG/Datapages Combined Publications Database

Showing 31,989 Results. Searched 195,705 documents.

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Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

..., apart from smoothing the grids. Figure 5. Extent of velocity regimes in the Anama area. 462 Impact of Pre-Stack Depth Migration on the Anama...

2000

Analysis of Scale Exaggeration on Seismic Profiles (1)

DONALD S. STONE

AAPG Bulletin

... of relative scales. Exaggeration is seldom uniform within a stacked section or profile migrated in time at a constant velocity because velocity varies...

1991

Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces

Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang

GCAGS Transactions

... migration velocity, slow convergence in subsalt area, and extra migration artifacts introduced in gradient computation. The adaptive solution involved...

2016

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples

Dan Negut

Search and Discovery.com

...Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples Dan Negut Wavefield Extrapolation for Prestack Time...

Unknown

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples

Dan Negut

Search and Discovery.com

...Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II … Data Examples Dan Negut Wavefield Extrapolation for Prestack Time...

Unknown

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

Rate of Migration of Petroleum by Proposed Mechanisms

J. G. Roof , W. M. Rutherford

AAPG Bulletin

... and the hydrocarbon would be transported, at least in part, along with the water. In either case--the Fig. 1. Water velocity necessary to accumulate 70 per...

1958

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

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

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

Thrust Faulting and Hydrocarbon Generation: REPLY

Janell D. Edman , Kevin P. Furlong

AAPG Bulletin

... and Edman, 1984, p. 1820), we stated that the thermal gradient "quickly decays to an almost constant thermal gradient of about half its initial value...

1987

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

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

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

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

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

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

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

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

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

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

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

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... from velocity and density logs in Goonyella mine. In the third part, synthetic data generation, we describe parameterization of the forward model...

2018

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