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The AAPG/Datapages Combined Publications Database
Showing 16,580 Results. Searched 195,538 documents.
Lateral Changes in Seismic Velocities and Their Effect on Depth Prediction
J. Pinchin, M. Bayly
Petroleum Exploration Society of Australia (PESA)
.... by ray tracing to each model. These were then sorted into offset-dependant gathers and velocity analysis was carried out by means of both conventional...
1989
Synthetic-data-driven deep learning method for elastic parameter inversion
Shuai Sun, Luanxiao Zhao, Huaizhen Chen, Zhiliang He, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
... and randomly combine to form a series of reflection coefficient sequences, and synthesize pre-stack AVO gathers using the Zoeppritz equation. The generative...
2023
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
.... The advantage of using EOM is the starting velocity in update procedures that are obtained from the Common Scatter Point gathers. We showed a P-P...
2014
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
Abstract: Iterative Dip-Steering Median Filter: A New Approach to Separation of Simultaneous Sources, by S. Huo, W. Zhu, C. Tsingas, Y. Luo, and P. Kelamis, #90188 (2014)
Search and Discovery.com
2014
Abstract: Optimising Reservoir Characterisation Through Seismic Data Conditioning: A Case Study of Block22/NCMA4, Trinidad; #90238 (2015)
Dale Baptiste, Russ Creath, and Vishal Nagassar
Search and Discovery.com
... response at the key reservoirs using Zoeppritz’s equations. Synthetic CMP gathers were then generated and compared to actual seismic CMPs at the key...
2015
Midland Basin Spraberry Exploration Using High Resolution Elastic Inversion; #11013 (2017)
Yasser Metwally, Richard Koseluk, John Castagna
Search and Discovery.com
... seismic data to 7-100 Hz through the inversion process. The results were validated using well log data. Rock physics analysis of the well logs suggests...
2017
Abstract: Analysis Of Surface Seismic Multi Wave Modes (Pp, P-Sv And Sv-Sv) And Simultaneous 3d 3c Vsp: A Winning Pair; #90254 (2016)
Michel Denis, Laurence Nicoletis, Philippe Feugere, Eric Suaudeau
Search and Discovery.com
... it converts back into P mode in the WZ. The SV-SV mode is also present on surface seismic and NMO corrected gathers with SV velocity show coherent events...
2016
Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM
Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga
Indonesian Petroleum Association
... estimated using PSDM migrated gathers. Inside the carbonate buildup, gather quality was so poor that a velocity scanning technique was used...
2008
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
Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth
emamedov
Search and Discovery.com
... volume with an optimum image that also yields accurate reflector depths. Velocity updates employed traditional image-gather analysis (Zhu et al...
Unknown
Integrated Workflow for Fracture Characterization ; From Well Bore Analysis, Post-Stack Geometrical Attributes and Pre-Stack Azimuthal Inversion; Case Study for Fractured Volcanic Reservoir Analysis in Jatibarang Field, North West Java Basin
Aji Rahmat Ginanjar, Andreas Wasi Kuncoro, Muhammad Taslim, Tri Sunarno Irianto, Arrie Kurniawan, Oddy Pranidhana
Indonesian Petroleum Association
... anisotropic velocity analysis for full azimuth gathers using AVAZ: 79th Annual International Meeting, SEG, Expanded Abstracts, 201–205. Rüger, A., 2002...
2017
Seismic Attenuation Analysis for Reservoir Description
Search and Discovery.com
... CMP gather using peak frequency variation with offset analysis (PFVO), which is similar to AVO analysis to reduce the stacking effect on the waveform...
2013
Multi-Component Seismic (3C) Data Acquisition A Case Study from Oil India Ltd. Operational Area in Upper Assam Basin, #40728 (2011)
K. L. Mandal, A. K. Khanna, Dr. R. Dasgupta
Search and Discovery.com
... analysis shows that reservoir sands of Barails have anomalous S wave velocity character that may be identified using converted wave methods. Because...
2011
A denoising diffusion probabilistic modeling (DDPM) approach for predicting CO2 plume evolution from seismic shot gathers
Alexander Y. Sun, Zi Xian Leong, Tieyuan Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... experiments was used. At inference time, our model predicts CO2 saturation distributions using seismic gathers and prediction times as conditions. Unlike...
2023
3-D seismic Data in Delineating Productive Ismay Algal Mounds in Southern Paradox Basin, Utah, By, R.O. Louden, D.D. Lehman, W.E. Johnson and D.L. Edwards, Search and Discovery Article #40048 (2002)
Search and Discovery.com
2002
Quantifying the Benefit from Pressure Gradient Data in Wavefield Reconstruction for Time-Lapse Seismic, #40843 (2011)
Phil Christie, Kurt Eggenberger, Everhard Muyzert, Massimiliano Vassallo, Ali Özbek
Search and Discovery.com
... into CMP gathers and compared, after 2004 vintage. Data from both surveys were stacked using the velocity model from the 2004 survey and repeatability...
2011
A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation
Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang
Indonesian Petroleum Association
... are limited, and also the first velocity to correct the deepest reflectors push down effect. The FWI model provides a good starting model for reflection...
2015
2D Pre-Stack Depth Migration : Application to Inverted Grabens
C. Bunks, P. L. Pichon, L. Ben Brahim, Sekar Sakti
Indonesian Petroleum Association
... and, consequently, classic methods of velocity analysis are inaccurate. To reduce exploration risk in complicated geological zones Total has developed...
1993
Fractured Reservoir Prediction A Case Study in the Sichuan Basin; #10512 (2013)
Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He
Search and Discovery.com
... velocity and flattened CMP gathers are shown in Figure 14a at well position. If using of ZVSP’s velocity for the conventional NMO correction, the same...
2013
Deep-Water Seabed Characterization Using Geostatistical Analysis of High Density/High Resolution Velocity Field
Search and Discovery.com
N/A
Developing an Exploration Tool in a Mature Trend: A 3D AVO Case Study in South Texas
Mark E. Gregg, Charles T. Bukowski, Jr.
Houston Geological Society Bulletin
... than in both the encasing shales and the wet sand. Synthetic CDP gathers were modeled using the log data to predict AVO behavior and are shown in Figure...
2001
Subsalt Imaging: An Integrated Approach to Image Improvement of Vintage Data, #42076 (2017).
Evans Owah, Christian Rivera, Marjolaine Lahmi, Michel Courbe
Search and Discovery.com
... leading to an improved final migrated subsalt image. The final image using reverse time migration3 (RTM) with surface offset gathers, benefitting...
2017
Depth Imaging Seeing the Invisible
Vetle Vinje
GEO ExPro Magazine
... estimation. Residual Move Out (RMO) curves picked on image gathers are the primary input to the reflection tomography methods used in velocity model...
2010
A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand
Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell
Petroleum Exploration Society of Australia (PESA)
.... The velocity model building was done using a combination of reflection tomography, full waveform inversion and wavelet shift tomography techniques...
2018