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The AAPG/Datapages Combined Publications Database
Showing 33,118 Results. Searched 200,293 documents.
Abstract: Constraining Anisotropy Lessons from 2D Modeling; #90211 (2015)
Rob Holt
Search and Discovery.com
... migration velocity that flattens out this moveout would result in depths that are ~2.5% too deep (D). An equivalent amount of pull up on the gathers could...
2015
Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)
Marcus Wilson, Robert J. Ferguson
Search and Discovery.com
... on a sequence of constant velocity depth steps. That is, for each frequency ω, and 1 AAPG Search and Discovery Article #90172 © CSPG/CSEG/CWLS...
2014
II. Migration to Remedy Geometric Distortions
Robert E. Sheriff
AAPG Special Volumes
..._Page 21------------------------- effect assuming constant velocity, which in his case was not a bad assumption). Some migration methods are: swinging...
1981
ABSTRACT: 3D Pre-Stack Depth Migration of a Land Survey with Considerable Multiple Interference - A Case History; #90051 (2006)
Frederick Kierulf, Adam Fox, Luke F. LaFreniere
Search and Discovery.com
...ABSTRACT: 3D Pre-Stack Depth Migration of a Land Survey with Considerable Multiple Interference - A Case History; #90051 (2006) Frederick Kierulf...
Unknown
Sensitivity Analysis of Preserved Amplitude Seismic Images for Reservoir Studies
Search and Discovery.com
N/A
New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging
Search and Discovery.com
N/A
Enhanced ray-based tomography method
Jonathan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... to QC a velocity update. In addition, the flatness of the pseudo migration gathers also tells how reliable the RMO picks are. With equations (4) and (5...
2024
ABSTRACT: Depth Conversion: Application and Verification of Depth Conversion of 3D and 2D Seismic Data - Case Histories, by J. E. LaFrenier and J. Dunkelberg; #91021 (2010)
Search and Discovery.com
2010
Salt Delineation Using Vector Offset Output (VOO) of Full Azimuth Data
Yogesh Agnihotri, Qiaofeng Wu, Dekang Xu
GCAGS Transactions
..., Reverse time migration using vector offset output to improve subsalt imaging—A case study at the Walker Ridge GOM: European Association of Geoscientists...
2015
The Use of Physical Modeling to Resolve Offshore Seismic Problems
B. J. Evans, M. Urosevic
Indonesian Petroleum Association
.... In the case of the Perth Basin model, cement, rubber and a marble-like filler were used, while a velocity scale of 1 : 1 was adopted (resulting in a 1...
1995
Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)
Xiaogui Miao
Search and Discovery.com
...Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015) Xiaogui Miao Datapages/Search and Discovery Article #90211 CSPG...
2015
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... and compared both resulting seismic images. Seismic migration is executed as a part of quality control (QC). We used a synthetic velocity model which...
2021
Abstract: Several Case Studies of Onshore 2-D Depth Migrations Completed on a Workstation, by B. L. Weinman; #90960 (1995).
Search and Discovery.com
1995
Interpreting the Concept of the Sedimentation Unit
Alan V. Jopling
Journal of Sedimentary Research (SEPM)
... fluctuations in the velocity of flow. Influence of depth-ratio.--We can now consider the case of a stream of appreciably constant flow and sediment discharge...
1964
How Reliable Is The Negative Anisotropy In Carbonate Rocks? - Offshore East Java Basin Case Study
Jun Wang, Yonghe Guo, Pongga Wardaya, M Afiq B Mokhtar, Riaz Alai, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... is used in the migration. This means the seismic velocity should be lower than well velocity, implying that negative delta is necessary. In this study, we...
2018
Simulation of the Genesis of Current Ripples by Means of a Cellular Automaton
J. J. P. Zijlstra
Special Publications of SEPM
... the various parameters grain diameter grain density fluid viscosity and fluid velocity that appear to control the bed surface morphology the migration...
1999
Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.
Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... = Vavg – k*(Zsrd/2) where k = 0.4760 in this case. Variations in Vo can be considered to represent that portion of the lateral velocity variation...
2009
The Need for Seismic Dip Migration
W. B. Robinson.
Oklahoma City Geological Society
... is greater than the distance just described. The material above the reflecting horizon is assumed to be of constant velocity (isotropic...
1958
High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach
Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal
Indonesian Petroleum Association
... fit for further pre-migration processing such as velocity analysis, surface-related multiple elimination techniques, prestack amplitude versus offset...
2014
Uncertainty in Surface Microseismic Monitoring; #41258 (2013)
Mike Mueller, Michael Thornton, and Leo Eisner
Search and Discovery.com
... wavelet with a constant moveout velocity of 12,000 feet/s. For a range of input SNR levels (0.02-20), Gaussian noise was added to the modeled data...
2013
Abstract: The Pony Discovery, Green Canyon Block 468, U.S. Gulf of Mexico: Structural Uncertainty Analysis, by Ryan Mann, Henry Zollinger, and Steve Checkles; #90124 (2011)
Search and Discovery.com
2011
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
.... Kirchhoff prestack time migration is an ideal tool in converted wave imaging for areas with gentle lateral velocity variation. In areas where...
2015
Stochastic model for migration and breakage of detrital and authigenic fines
Bryant Dang-Le, Abolfazl Hashemi, Cuong Nguyen, Grace Loi, Nastaran Khazali, Yutong Yang, Alexander Badalyan, Thomas Russell, Pavel Bedrikovetsky
Australian Energy Producers Journal
... for migration of authigenic and detrital colloids Consider 1D (x, t)-flow in a reservoir core with constant flow rate, so U = constant. We also consider constant...
2024
Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)
Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell
Search and Discovery.com
... if we assume that the velocity model is sufficiently accurate, the basic problem remains: the migration operator is not the inverse of the forward...
2018
Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation
Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg
Indonesian Petroleum Association
... the anisotropic seismic velocity field for Pre-Stack Depth Migration during seismic processing, and for seismic reservoir characterization. Limited well...
2017