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The AAPG/Datapages Combined Publications Database
Showing 31,881 Results. Searched 195,364 documents.
Integration of Geologic Data into Structural Imaging of the Andean Subthrust, Peru; #41605 (2015)
Margaret A. Stratton, Robert Vestrum, Dennis Ellison
Search and Discovery.com
... velocity model in this complex-structure environment, we decided to reprocess the lines through to anisotropic depth migration. Geologic constraints...
2015
2D Pre-Stack Depth Migration : Application to Inverted Grabens
C. Bunks, P. L. Pichon, L. Ben Brahim, Sekar Sakti
Indonesian Petroleum Association
... an in house 2D pre-stack depth migration and velocity analysis program called MIGPACK. MIGPACK performs finite-difference migration in the source geophone...
1993
The Application of Velocities and Models to Seismic Interpretation
G. Jarrota
Indonesian Petroleum Association
... that can be used for the study of seismic velocities, and their applications to seismic interpretation. The velocity spectrum or velocity analysis (Fig...
1977
Depth correction using velocity for structure calibration at Leviathan Field, offshore Israel
Yijie Zhou, Brad Christensen, Lin Christianson
International Meeting for Applied Geoscience and Energy (IMAGE)
... challenges from depth uncertainties associated with the seismic migration velocity that cannot provide an accurate structural estimation due...
2023
Abstract: Prestack Gaussian-Beam Depth Migration in Anisotropic Media; #90211 (2015)
Tianfei Zhu, Sam Gray, and Daoliu Wang
Search and Discovery.com
... depth migration potentially useful for AVO analysis in geologically complex areas. Extension of prestack GB migration from isotropic to anisotropic media...
2015
Sensitivity Analysis of Preserved Amplitude Seismic Images for Reservoir Studies
Search and Discovery.com
N/A
Abstract: Seismic Velocity Model Building in from Area of Complex Geology, Southern Alberta, Canada, by H. Isaac and D. Lawton; #90090 (2009).
Search and Discovery.com
2009
Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia
Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton
Indonesian Petroleum Association
... gradients.Grid based tomography is a robust, 3D ray-based inversion method used to refine velocity models for depth migration. Residual traveltime errors...
2012
Abstract: Migration of Velocity Spectra: An Example from the Timor Sea, by J. C. Beasley and R. Klotz; #91015 (1992).
Search and Discovery.com
1992
ABSTRACT: Wave Equation Prestack Depth Migration for Deep Gulf Coast Prospecting
Morgan Brown, Joe Higginbotham, Cosmin Macesanu
GCAGS Transactions
... successfully for some time to image the deep section when pressure is an issue. Provided that the velocity complexity can be encoded into a migration...
2009
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... procedure for prestack migration and velocity analysis: Presented at the 46th Ann. Mtg. European Asn. Expl. Geophys. Wang, W. and West, G., 1991, F-X filters...
2008
Modified Residual Migration
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
...: Removing the restrictions on depth-varying velocity: Geophysics, 53, 881–893. Black, J., and Brzostowski, M., 1990, High-dip time migration: 60th Ann...
1992
-- no title --
user
Search and Discovery.com
... in the data. To develop a velocity model for pre-stack depth migration (PSDM) we integrated all available sources of velocity and geological information...
Unknown
-- no title --
user
Search and Discovery.com
... in the data. To develop a velocity model for pre-stack depth migration (PSDM) we integrated all available sources of velocity and geological information...
Unknown
Velocity and Velocity
M. Al-Chalabi
Petroleum Exploration Society of Australia (PESA)
... if the so called 'velocity' parameter, used in the migration, accurately represented the true velocity field. It does not. As shown below, the 'velocity...
2000
Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)
Xiaogui Miao
Search and Discovery.com
... data using initial velocities from NMO analysis or from previous migration velocity analysis, and partially shifting energy along diffraction curves...
2015
Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)
Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman
Geological Society of Malaysia (GSM)
.... After two iterations of manual velocity updates, two iterations of post-migration “Residual Curvature Analysis” (RCA) tomography were used to further...
2003
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
... is generated for each parameter entered. The speed analysis uses the Kirchhoff migration type. After scanning the velocity automatically, the next step...
2019
Application of Wave Equation Tomography in Frontier Areas
Tien-when Lo, Guy W. Purnell
Indonesian Petroleum Association
... line (Figure 3). The velocity model (Figure 4) used in the prestack depth migration was derived by an interactive prestack focusing velocity analysis...
1990
Arafura Sea Seismic Processing: Importance of Iterating Velocity Analysis and Integrating Regional Geology to Counter Signal Masking by Major Unconformities
Rahadian Adhyaksawan, Paulus T. Allo, Maria Raharja, Muhammad Isjmiradi, Mark Boyd
Indonesian Petroleum Association
...Arafura Sea Seismic Processing: Importance of Iterating Velocity Analysis and Integrating Regional Geology to Counter Signal Masking by Major...
2010
Abstract: Converted-wave Time Imaging Nuts and Bolts; #90187 (2014)
Shaowu Wang, Thomas Hollis, and Wayne Nowry
Search and Discovery.com
.... Introduction Pre-stack time migration (PSTM) is routinely used in time processing with gentle lateral velocity variation and moderate subsurface...
2014
ABSTRACT: Velocity-Depth Model Estimation for a Subsalt Target from the Southern Gas Basin of the North Sea, by Oz Yilmaz, Jeff Rutledge, Ottar Sandvin, and Bob Godfrey; #91019 (1996)
Search and Discovery.com
1996
Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada
Helen Isaac and Don Lawton
Search and Discovery.com
... sections, near-surface velocity models from refraction statics analysis, averaged sonic interval velocities and limited migration velocity analysis...
2009
Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells
Luca Bertelli, Luca Savini, and Luca Aleotti
Houston Geological Society Bulletin
... update the velocity field while drilling, and thus to refine the depth model and iterate the depth migration. The seismic velocities obtained...
1996
Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia
Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani
Indonesian Petroleum Association
... and reimaging the existing legacy data with Q prestack Kirchhoff depth migration performed in 2011 and 2014 did not accurately model the sharp velocity...
2019