Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 47,126 Results. Searched 187,807 documents.

1   2   3   4   5   Next >

Ascending

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

..., however, exact solutions to the eikonal equation 9 are in general unattainable. Zhu (1988) has shown that equation 9 can be solved by asymptotic expansion...

Unknown

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

..., however, exact solutions to the eikonal equation 9 are in general unattainable. Zhu (1988) has shown that equation 9 can be solved by asymptotic expansion...

Unknown

Finite Difference Modelling: Part III: Time-Step n-Tupling

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

... (see Amundsen and Pedersen (2017) for the general formula). Numerical Example We solve the 2-D acoustic wave equation by using the π 3 4/1 –4/3...

2018

Finite Difference Modeling: Part I: Become Expert in Five Minutes

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

.... It turns out that solving the wave equation, as most other differential equations, can be quite hard, and there is no general method that solves every...

2018

Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)

Tianfei Zhu

Search and Discovery.com

... and WEM is of the same-order approximation as the ray and beam methods to the elastic wave equation in general inhomogeneous earth media (e.g., Ben...

2014

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

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... daring to investigate the various options for pursuing wave equation depth migration will be exposed to terms such as explicit solutions, implicit...

2004

Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)

M. Malehmir and D. R. Schmitt

Search and Discovery.com

... propagation, lets start with general wave equation 1 and plane wave equation 2. 1 ∂ ρ ui = ci jkl ¨ 2 ∂xj ∂ uk ∂ ul + ∂ xl ∂ xk uk = A0 Pk e(−iK(n.r...

2015

Recent Developments in Marine Acquisition and Data Processing Technology to Improve Imaging through Complex Overburdens

Timothy Bunting, Jerry Kapoor, Nick Moldoveanu, Jeremy Browett

GCAGS Transactions

... in imaging the subsalt reflectors in the SEG Seam model. Imaging Solutions All imaging algorithms solve for the wave equation, but due to computer...

2011

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...

Unknown

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...

Unknown

Abstract: Regular Grids Travel Time Calculation … Fast Marching with an Adaptive Stencils Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... itself is a linear approximation and the wavefront is, in general, not a plane wave, especially near the source, a high order scheme in such a case...

2014

Abstract: Multi-Scale 2D Acoustic Full Waveform Inversion with High Frequency Impulsive Source; #90187 (2014)

Vladimir N. Zubov, Michael P. Lamoureux, and Gary F. Margrave

Search and Discovery.com

... and adjoint problem solutions A forward wave propagation boundary problem (equation 1) is formulated for the acoustic equation using a positive...

2014

A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

..., both of which are numerical solutions to the wave equation. These two categories are the integral methods (including Kirchhoff and beam techniques...

2011

Evaluation of Wave-Generated Longshore Current Velocities and Sand Transport Rates on Beaches

Paul D. Komar

Special Publications of SEPM

... interact with the wave surf to produce a longshore transport of sand A simple equation has been found with which this longshore current velocity can...

1987

The Developing Role of Analysis in the Design of Floating Production Systems

D. B. Melver, D. Cash

Indonesian Petroleum Association

... been modified to calculate these long period and mean wave forces. This is discussed in more detail later. Strip theory programs have not, in general...

1985

Waste Disposal in Saline Aquifers Affected by Geothermal Heating: ABSTRACT

H. R. Henry, F. A. Kohout

AAPG Bulletin

..., and the heat diffusion equation are solved simultaneously on a high-speed digital computer. Obtaining theoretical solutions comparable to the model data...

1971

Estimation of Natural Gas Reserves

P. McDonald Biddison

AAPG Special Volumes

..., for air 53.34 [EQUATION (1)] [EQUATION (2)] Consider a column of gas of 1 square foot cross-sectional area. At a depth L where the pressure is P...

1935

Application of Transport Equations to Flowing Groundwater Systems: ABSTRACT

John D. Bredehoeft, George F. Pinder

AAPG Bulletin

... and fresh water, the mass transport equation and the equation of motion have been coupled and solved numerically. Numerical solutions have also been...

1971

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... it is done. All of the many methods of doing migration are founded on solutions to the scalar wave equation, a partial differential equation that models how...

1992

Abstract: Customized Integrated Unconventional Modeling; The Way You Want; #90224 (2015)

Amir Shamsa, Yasin Hajizadeh, Sergei Fillin, Jean-Paul Dessap, Mehdi Majdi Yazdi

Search and Discovery.com

... simulation case, this information would be passed to the custom wave simulator. Figure 1 shows the general structure of the code and how various parts...

2015

Abstracts: Plane Wave Reflection and Transmission Coefficients for VTI Media; #90173 (2015)

Ritesh Kumar Sharma and Robert James Ferguson

Search and Discovery.com

... (Tsvankin, 2001). For VTI media the wave equation separates into a coupled pair of the equations for the P-SV waves and into a single equation for the pure...

2015

Fluid Dynamics of Viscous Buckling Applicable to Folding of Layered Rocks

Hans Ramberg

AAPG Bulletin

... is therefore EQUATION (40) per unit surface area of the layer. This force acts on ¼ wave by a moment M1 per unit length parallel with the fold axis...

1963

Development of a Parametric Estuarine Model for Gippsland Resource Planning

J B Hinwood, E J McLean

Petroleum Exploration Society of Australia (PESA)

... of the equations of motion, continuity and the convection-diffusion equation. These solutions have been obtained only for estuarine reaches with very...

1992

1   2   3   4   5   Next >