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The AAPG/Datapages Combined Publications Database
Showing 583 Results. Searched 195,354 documents.
Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II Data Examples
Dan Negut
Search and Discovery.com
... implementation of prestack time migration is based on Kirchhoff summation algorithms, which proved over the years to be a very flexible and reliable...
Unknown
Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part II Data Examples
Dan Negut
Search and Discovery.com
... implementation of prestack time migration is based on Kirchhoff summation algorithms, which proved over the years to be a very flexible and reliable...
Unknown
Abstract: Wave Equation Depth Migration with Image Gathers in Offset Domain; #90211 (2015)
Jianhua Pan
Search and Discovery.com
... to the effective subsurface offset between upgoing and downgoing wavefields. The basis of Kirchhoff migration is the summation of the contributions of many...
2015
Abstract: High-resolution Automatic Microseismic Source Detections; #90187 (2014)
Stephen K. Chiu, Ulrich Zimmer, and Michael Davidson
Search and Discovery.com
... Zimmer and Michael Davidson, ConocoPhillips, Houston, USA Summary Kirchhoff summation is one of the robust techniques to automatically scan...
2014
Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I Algorithm
Jianhua Pan
Search and Discovery.com
... usually generates a better image than Kirchhoff migration. However, apart from less computational efficiency than Kirchhoff migration, WEM cannot...
Unknown
Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I Algorithm
Jianhua Pan
Search and Discovery.com
... usually generates a better image than Kirchhoff migration. However, apart from less computational efficiency than Kirchhoff migration, WEM cannot...
Unknown
Wave equation traveltime Kirchhoff with real data applications
Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
... Kirchhoff migration includes two main steps: traveltime calculation and Kirchhoff integral summation. First, traveltime maps are computed from each...
2023
Abstract: Kirchhoff Imaging in a Matrix Form. Part II: Least Squares Migration; #90174 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
...Abstract: Kirchhoff Imaging in a Matrix Form. Part II: Least Squares Migration; #90174 (2014) Abdolnaser Yousefzadeh and John C. Bancroft AAPG...
2014
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
...Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method Tianfei Zhu Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method...
Unknown
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
...Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method Tianfei Zhu Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method...
Unknown
Amplitude and Phase Accuracy for x-t DMO, by Craig J. Beasley; #91024 (1989)
Search and Discovery.com
1989
Abstract: Application of 3D Diffracted Wave’s Analysis to Improve Imaging in Poor Signal/Noise Conditions, by F. Alonaizi, R. Pevzner, K. Tertyshnikov, A. Bona, and B. Gurevich, #90188 (2014)
Search and Discovery.com
2014
Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)
Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac
Search and Discovery.com
... surface over which the Kirchhoff summation or integration takes place. AAPG Datapages/Search and Discovery Article #90174 CSPG©2014 CSPG/CSEG/CWLS...
2014
EXTENDED ABSTRACT: 3D Borehole Seismic Imaging by Prestack Kirchhoff Depth Migration
Paul Bicquart
CSPG Special Publications
...EXTENDED ABSTRACT: 3D Borehole Seismic Imaging by Prestack Kirchhoff Depth Migration Paul Bicquart 1998 252 253...
1998
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
Abstract: Kirchhoff Imaging with Adaptive Greens Functions for Compensation for Dispersion, Attenuation, and Velocity Imprecision; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
... summation. So the modified Kirchhoff migrated image trace Ux(z) is given by Ux(z) = ∫∫ ∫ [ Σ R(xs,xr,t) Ŵ srx(t) ] V(t) δ(t-τ(x(z),xs,xr,v)) dt dxs...
2014
Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)
Tianfei Zhu
Search and Discovery.com
... for marine prestack depth migration. Yet, for land data, the imaging method of choice is still Kirchhoff migration (KM), generally the least accurate...
2014
Modified Residual Migration
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
... is constant, the time change from T to TD has no effect on V1. Direct implementation would require a migration algorithm, such as Kirchhoff-summation...
1992
Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)
Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau
Geological Society of Malaysia (GSM)
... stretch formulation or Integral/Summation (Kirchhoff-style) methods with provisions for spatial aliasing and dip constraints. Fourier transform methods...
1995
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... discrete summation. Another problem with Kirchhoff methods relates to the artifacts created by spreading amplitudes over travel time curves. While...
2015
Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation, Ferreira, Patrícia P.; Cetale Santos, Marco Antonio; Landau, Luiz, #90100 (2009)
Search and Discovery.com
2009
Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data
Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto
Indonesian Petroleum Association
...Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data Harmita...
2019
Abstract: Sparse Kirchhoff Migration using a Quasi-Newton Optimization Algorithm, by A.A. Aldawood and I. Hoteit, #90188 (2014)
Search and Discovery.com
2014
Abstract: 3D Seismic Imaging in the Pakistan Foothills: A Case History; #90172 (2014)
Victor Dolgov, Rob Vestrum, Jon Gittins, Géza Wittman
Search and Discovery.com
... when new processes take over.” Kirchhoff migration is a summation process. Interpolation happens naturally within the algorithm as input samples...
2014
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... surface over which the Kirchhoff summation or integration takes places. Equivalent Offset Migration The equivalent offset is defined by converting...
2015