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The AAPG/Datapages Combined Publications Database
Showing 20,235 Results. Searched 200,357 documents.
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... The inputs (RMS Vfast, Vslow, and Vfast-az) can be derived in multiple ways. One way is through orthorhombic velocity analysis (Wang and Wilkinson...
2014
Monte-Carlo Modeling of Some Niger Delta Slope Events, by M. I. Oladapo, J. S. Ojo, M. O. Olorunfemi, and B. A. Adetola; #90037 (2005)
Search and Discovery.com
2005
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)
... lateral consistency in picking the velocity strands. By combining the horizon strands picked in the X-T plane with the velocity strands picked from...
2008
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
... to estimate shallow velocity structure, (iii) Non-linear horizon based traveltime tomography to improve depth velocity model and (iv) time-dependent velocity...
2015
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... in the by wel ls, and in particular, check shot data. Seismic's mu lti-client products. In tota l, over 2.4 million velocity analysis points (VPs), from...
2012
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)
... imaging in thrust belt environments Ron Schmid*, Brian Link, Patrick Butler; Kelman Seismic Processing SUMMARY A novel, migration velocity analysis...
1997
New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging
Search and Discovery.com
N/A
EXTENDED ABSTRACT: Applications of Wave Imaging Technologies to Improve Deep Gulf Prospecting
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez
GCAGS Transactions
... present a unique, two-stage velocity estimation workflow, utilizing wave equation focusing analysis and WEM angle gather update, and show how “extreme...
2010
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
.... The depth horizon is conformed after compare the above two PSDM to merge A and B. Finally, a good initial velocity model is built by B and A merged...
2023
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
Geological Input Valuable in Seismic Velocity Analysis, by Supratik Sarkar; #41118 (2013).
Search and Discovery.com
2013
Abstract: Issues in Uncertainty Estimation for Time-to-Depth Conversion, by Michael K. Broadhead, Thomas M. Loretto, and Timothy H. Keho; #90077 (2008)
Search and Discovery.com
2008
A Simple Guide to Depth Conversion: Part II
Ashley Francis
GEO ExPro Magazine
... would indicate a velocity variation unexplained by the model. The residuals are also a direct measure of the depth conversion uncertainty at any horizon...
2018
Importance of Good Time to Depth Conversion Method to Reduce GRV Uncertainties of Producing Fields in the South Sumatra Block, #20494 (2020).
Danar Yudhatama, Aurora Juniarti, Erwin Muhamad Indra Kusumah, Yudi Yanto,
Search and Discovery.com
... with seismic horizon. In the South Sumatra area, the vertical change of interval velocity is observed across formations/ intervals, from the Upper to Lower...
2020
First Results of Common Depth Point Regional Work in the East Border Zone of the Peri-Caspian Basin
V. P. Kan, B. S. Tasybayev
Petroleum Geology: A Digest of Russian Literature
... erosion. Waves reflected from this horizon are multi-phase (up to 8-10). Analysis suggests that this may be due to the presence of two closely spaced...
1979
The Role of Seismic Inversion Modeling in Describing Reservoir Characteristics: A Case Study
William C. Robinson
West Texas Geological Society
... are unlikely to complicate the seismic analysis. Figure 4. shows the sonic log with the velocity calculations; the synthetic seismogram and the Inversion...
1999
Abstract: 3D Localized Prestack Depth Migration from Workstations, by Xiaomin Zhao, Jianming Sheng, Ying Hu, and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam
Nguyen Nam, Hong Shien Lee
Indonesian Petroleum Association
... then used to generate maps in velocity and depth domain. Eight depth structure maps were compared for uncertainty analysis and then for choosing the base...
2008
Chapter Ten-part 2: Depth Conversion
Leslie R. Denham, Dave K. Agarwal
AAPG Special Volumes
... as horizontally (it is not isotropic). And the layers used for velocity analysis are rarely uniform. Finally, the reflections are not, in general, horizontal...
2011
Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth
Isabel Cristina Florez, Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of the velocity model to optimize imaging—employed traditional image-gather analysis (Zhu et al., 1998). We followed the manual-tomography methodology...
2006
PS
Search and Discovery.com
N/A
Extended Abstract: Integrated Geological and Geophysical Modeling in the Gulf of Mexico
Tim Matava, B. Keys, D. Foster, D. Ashabranner
Houston Geological Society Bulletin
... models together into an integrated model. The geological model has a strong control on the velocity model for migrating the pre-stack depth volumes...
2016
Abstract: Advanced Seismic Acquisition Survey Design Based on Illumination Analysis; #90319 (2018)
Pavel Golikov, Emad Hemyari, Abdulaziz Almuhaidib
Search and Discovery.com
... geostatistical methods. In case when a velocity model is available, two main products of the illumination analysis can be produced: illumination map at target...
2018
Seismic velocity detrending and well calibration workflow
Gastón Bejarano Gerke
International Meeting for Applied Geoscience and Energy (IMAGE)
...) are extracted along these horizons from the seismic velocity data. This ensures a horizon-consistent application of the Dix formula. Fourth...
2024
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
... (Bell, 2002). Beyond this simple approach to velocity analysis lies a range of more sophisticated techniques including horizon-keyed velocity...
2001