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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 1,123 Results. Searched 200,293 documents.

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Acoustic/elastic wavefield injection and reconstruction from ocean-bottom data for elastic RTM

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

... and/or elastic domains causally or anticausally in time. We use the MacCormack finite-difference (FD) as the wave propagator, the collocated-grid...

2024

Abstract: Elastic Finite-difference Modeling for Testing Acquisition and Processing Methods; #90187 (2014)

Peter Manning, Joe Wong, and David Henley

Search and Discovery.com

...Abstract: Elastic Finite-difference Modeling for Testing Acquisition and Processing Methods; #90187 (2014) Peter Manning, Joe Wong, and David Henley...

2014

Image - Rays and the Treatment of Inhomogeneity in Migration

L. Hatton

Southeast Asia Petroleum Exploration Society (SEAPEX)

... Research Project. The basic methods introduced by Claerbout (1976) involve finite-difference solutions to a modified form of the scalar wave equation...

1980

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... horizontal and vertical – are often not strictly valid, particularly in f-k migration; and in the finite difference method two series expansions are truncated...

1981

Extended Abstract: What is Wave Equation Pre-stack Depth Migration? An Overview

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... solutions, finite-difference, split-step Fourier, delayed shot, etc. Simply put, each flavour represents the means by which we attempt to obtain numerical...

2004

Abstract: Improved Subsurface Imaging through Reverse Time Migration: A Synthetic Case Study; #90255 (2017)

Pradeep Mahadasu

Search and Discovery.com

... with high-velocity contrast. Reverse Time Migration is a two-way, finite difference migration solution to the wave equation that improves more...

2017

The Wedge Model Revisited; #41545 (2015)

Joanna K. Cooper, Don C. Lawton

Search and Discovery.com

...-difference exploding reflector models using a numerical version of the same wedge velocity models were also produced. Migration of the physical model...

2015

Abstract: Regular Grids Travel Time Calculation … A Practical Huygens Wavefront Expansion Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... to the eikonal equation. Finite difference eikonal solvers provide a relatively fast and robust method of traveltime computations (e.g. Vidale, 1988...

2014

Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)

Hassan Khaniani and John C. Bancroft

Search and Discovery.com

... of the finite difference data using ray tracing methods. In this paper, we studied the feasibility of performing the depth migration by Equivalent Offset...

2015

Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)

John C. Bancroft

Search and Discovery.com

... to eliminate spherical divergence. The wavefield was propagated using a two-way finite difference solution to the acoustic wave equation 2P 1 2P...

2015

Abstract: Simulation and Modeling of the Hydrocarbon Generation Migration-Mixing Processes in Louisiana Sedimentary Basins

Ronald K. Zimmerman , Ying Shi

GCAGS Transactions

... a finite difference model which simulates numerically five processes on 2D vertical grids: 1) reconstruction of geological evolution as a result...

1996

Seismic Angle Migration

Search and Discovery.com

N/A

Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)

Dong Shi, Ramin Saleh, Bernd Milkereit

Search and Discovery.com

...Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015) Dong Shi, Ramin Saleh...

2015

A Modeling Study for Imaging in Structurally Complex Media: Case History

Hesham Moubarak

Search and Discovery.com

... of Calgary, Calgary, AB, Canada and Larry Mewhort, David Emery and Bart Scott Husky Energy Inc., Calgary, AB, Canada Two dimensional finite difference...

Unknown

A Modeling Study for Imaging in Structurally Complex Media: Case History

Hesham Moubarak

Search and Discovery.com

... of Calgary, Calgary, AB, Canada and Larry Mewhort, David Emery and Bart Scott Husky Energy Inc., Calgary, AB, Canada Two dimensional finite difference...

Unknown

Depth Migration of Seismic Data: ABSTRACT

John Sherwood, Philip Schultz, Jin Lin, David Judson

AAPG Bulletin

... to produce a cross-sectional representation of the reflectors in true depth. A method involving finite-difference approximations to the wave equation has...

1979

Abstracts: Synthetic Microseismic Files; #90173 (2015)

J. Wong, P. M. Manning, L. Han, and J. B. Bancroft

Search and Discovery.com

... by ray-tracing (RT) and convolution, or by 2D finite-difference (FD) modeling. The RTmodeled seismograms include direct and head-wave arrivals...

2015

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