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The AAPG/Datapages Combined Publications Database
Showing 31,905 Results. Searched 195,452 documents.
ABSTRACT: Velocity-Depth Modeling Prestack Depth Migration (PSDM) at Line ITS-95 (Case Study), by Sardjono Seno Pudji and Denny Sulistiono; #90913(2000).
Search and Discovery.com
2000
Estimation of Migration Velocity by Forward Modelling of Old Seismic Stacks
Search and Discovery.com
N/A
Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).
Yong Hua, Don C. Lawton
Search and Discovery.com
... with migration algorithms on either pre-stack gathers or post-stack. Iteration of Velocity Analysis and Residual Statics Optimum stacking velocities were...
2015
Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)
Kimberley Haar, Robert Balch, Robert Will
Search and Discovery.com
.... The velocity value used to create the model was estimated from the well TDR and was set to constant. Therefore, for each zone, a constant, single...
2018
Determination and Delineation of Anomalously Pressured Gas Accumulations in the Siberia Area, Washakie Basin, Wyoming
Ronald C. Surdam, Zun Sheng Jiao, Yuri Ganshin, Nicholas G. K. Boyd III
Wyoming Geological Association
.... In addition, the dimensions of the smoothing operator define the resolution of the final velocity field. In the case of the Siberia Ridge interval velocity...
2001
A Comprehensive Approach to Depth Imaging in Thrust Belt Environments
Ron Schmid, Brian Link, Patrick Butler
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... model. Attempts to pick prestack depth migration velocity models from a scan of constant velocity migrations (or constant function migrations) has...
1997
Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).
Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones
Search and Discovery.com
... precise velocity model combined with the appropriate migration algorithm can focus the recorded energy to its true subsurface locations. However...
2016
Fault Shadow Issues and Resolution in Model and Real Data
Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
... then time migration or post-stack depth migration in areas of sharp lateral velocity variation or structural complexity. The Pre-SDM process gives...
2002
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
... velocity, ~.tn,tz and tm denote the time scale before NMO, after NMO, after DMO and after migration respectively, and h represents the half offset...
1989
The Wave Equation Applied to Migration
D. Loewenthal, L. Lu, R. Roberson, J. Sherwood
Southeast Asia Petroleum Exploration Society (SEAPEX)
... alternative migration techniques. Particular advantages are 1) the possibility of using a detailed velocity model for the migration and 2) the preservation...
1978
Statistical Variable Salt Velocity Calculation by Neural Network Classification in the Central Gulf of Mexico
Search and Discovery.com
N/A
Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)
Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto
Search and Discovery.com
...Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023) Hongjun Zhang, Yang Chen...
2023
Evaluation of possible gas microseepage mechanisms
Alton Brown
AAPG Bulletin
... to the velocity and flux calculated for continuous-phase gas flow through fractures, the most probable mechanism for focused, vertical cross-stratal migration...
2000
Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)
Search and Discovery.com
1999
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
... geophysicists. For clarity, we present the central theoretical result behind FWI as a mathematical theorem stating that a linear update to a migration velocity...
2015
Abstract: Simulation of Brine Remediation - A Case Study from the East Poplar Field, Northeastern Montana, USA, by Neil Blandford and Muthu Kuchanur; #90082 (2008)
Search and Discovery.com
2008
Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)
Emil Blias
Search and Discovery.com
... lateral velocity changes even in relatively simple geology if we did not remove effects of lateral shallow velocity changes. In case when first break...
2015
Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015)
Chuck Ursenbach and Peter Cary
Search and Discovery.com
..., Canada, May 12-16, 2014 Theory of approximate PS migration weights Review of PP case: Zhang et al. (2000) show that in a constant velocity medium...
2015
Abstract: Velocity Model Building in the Gulf of Mexico--An Old Story With a New Twist, by M. Witcombe; #90981 (1994).
Search and Discovery.com
1994
Secondary migration of heavy oil in low dip basins
Mario Valderrama
AAPG Bulletin
...), and then estimate the migration velocity using constant values for the remaining variables. We used an average API of 20° to account...
2022
How to Make Velocity Corrections
John W. Daly
AAPG Bulletin
... in Case IV. For practical purposes, in computing it is virtually necessary to hold the velocity distribution with depth constant over an area...
1944
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
...) demonstrating the relationship between effective stress and velocity in a granular material of approximately constant porosity. The schematic...
2001
Image - Rays and the Treatment of Inhomogeneity in Migration
L. Hatton
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... Constant Velocity Medium: Horizontal Layers. This case is illustrated in Figure 7a. Simple depth conversion is all that is required here. Constant...
1980
Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally
Agus Muharam, Frank Musgrove
Indonesian Petroleum Association
... and the reservoir reefal limestone but the assumption of constant overburden velocity is not well founded. Statics and variable velocity in this thrusted...
1998
Abstract: The Fallacy of Simple Geology: a Case for Depth Imaging All 3-D Data, by J. A. Young; #90090 (2009).
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2009