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The AAPG/Datapages Combined Publications Database
Showing 33,169 Results. Searched 200,693 documents.
Facies and Stratigraphic Controls on Velocity Anomalies in The North Madura Platform, Offshore East Java Basin
Fithra Harris Darmawan, Shakila Bt Mustaffa, Aditya Kusuma Wijaya, M Nauvall Juliansyah, Geovani Kaeng
Indonesian Petroleum Association
... depth conversion or depth migration. Accurate depth conversion or depth migration requires an accurate velocity model. Attempts to build...
2019
Automated Early-Arrival Travel Time Tomography Using Full-Azimuth, Long-Offset Dual Coil Data in U.S. Deepwater Gulf of Mexico
Search and Discovery.com
N/A
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... to produce velocity fields with sufficient accuracy. Major classes appear, namely that migration-based velocity analysis update (Al-Yahya, 1989...
2009
Improving Stratigraphic and Structural Interpretation of Suban 3D Through Advanced Reprocessing
Safitri Nurida, Irfan Yuliandri Syukri, Ludy Andria
Indonesian Petroleum Association
...-processing and pre-stack time migration phase followed by pre-stack depth migration phase. It incorporates thorough noise attenuation and detailed velocity...
2019
Abstract: Subsalt Velocity Estimation Using Wave-Equation Tomography with Surface Offset Gathers; #90319 (2018)
Yujin Liu, Yan Wu, Xiongwen Wang, Tong W. Fei, Yi Luo
Search and Discovery.com
...Abstract: Subsalt Velocity Estimation Using Wave-Equation Tomography with Surface Offset Gathers; #90319 (2018) Yujin Liu, Yan Wu, Xiongwen Wang...
2018
Pre-Migration Receiver Deghosting and Amplitude Fidelity: A Case Study From NWS Australia
Search and Discovery.com
N/A
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
... created by the algorithm. Gabor Depth Migration Example The Marmousi velocity section used in Gabor depth imaging in this paper is shown in Figure 3...
Unknown
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
... created by the algorithm. Gabor Depth Migration Example The Marmousi velocity section used in Gabor depth imaging in this paper is shown in Figure 3...
Unknown
Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method
Xinwen Zhang, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Petroleum Geologists REFERENCES Alkhalifah, T., 2003, Tau migration and velocity analysis: Theory and synthetic examples: Geophysics, 68, 1331–1339, doi...
2023
Application of Illumination Compensation to Irregular Surface Areas Imaging; #40773 (2011)
Yueming Ye and Ru-shan Wu
Search and Discovery.com
... of rugged surfaces; (b)) migration velocity field; (c) original short record. (a) (b) Figure 4: The comparison of final image with different method...
2011
Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)
Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac
Search and Discovery.com
... plot and therefore improve the resolution of velocity analysis over conventional common midpoint gathers. Introduction Migration is one of the most...
2014
A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).
Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam
Search and Discovery.com
... and the layer pick itself. In this case the model above the soft-constraint pick can change. Velocity Model Building and Pre-Stack Depth Migration...
2015
Tomographic waveform inversion (TWI) applied to real seismic data
Jlio Oliva Frigrio, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
... = 0 . Moveout analysis of the CIGs shows that the migration velocity is too slow for the deeper strong events below 2.7 km depth. Conversely...
2022
Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study
M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen
International Meeting for Applied Geoscience and Energy (IMAGE)
... is not properly recorded. Figures 5a and 5b show PS Kirchhoff depth migration (PS KDM) images with the velocity overlay showing reduced undulations and similar...
2024
Depth Imaging Coil Data: Multi Azimuthal Tomographic Earth Model Building and Imaging of Tulip (Paper A15)
S. Chen, M. Buia, L. Livraghi, M. Bakhrudin, M. Tham, M. Bayly, S. Ng, O. Zdraveva
Geological Society of Malaysia (GSM)
... moveout (RMO) analysis (Woodward et al. 2008). This paper will discuss the multi azimuthal tomography velocity model building workflow and depth imaging...
2012
Chapter 10-part 3: 3-D Depth Image Interpretation
William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel
AAPG Special Volumes
... in spatially smooth RMS velocities are generally not harmful in time migration, cumulative errors in the local interval velocity are leveraged and magnified...
2011
Thinking in Depth
Jim Durrant
Petroleum Exploration Society of Australia (PESA)
... a nd affordabl e by all exp lo ration companies. Time and depth migration schemes differ in the ir treatment of lateral velocity variations. generall...
1995
Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases
M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso
Indonesian Petroleum Association
... acquisition geometry (Gierse et al, 2007); new migration velocity analysis techniques such as poststack time remigration (Jaya et al. 1996, 1997, 1999...
2007
Delineation of Jonah field Using Seismic and Sonic Velocity Interpretations
Ronald C. Surdam, John Robinson, Zun Sheng Jiao, Nicholas K. Boyd III
Rocky Mountain Association of Geologists
... analysis were separated by only about 1000 ft. Using this finer sampling grid, 1262 individual velocity profiles and a new anomalous velocity volume were...
2001
Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)
Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau
Geological Society of Malaysia (GSM)
... Sains Malaysia 11800 Penang Seismic data processing utilizes a large suite of processes beside the skeletal needs of velocity analysis, forming a CMP...
1995
Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation
William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... Magdalena Valley basin. (1) We have built an interval velocity model and an horizon model in depth using migration velocity analysis and iterative...
2009
Abstract: Use of Gravity Data to Enhance Seismic Depth Migration
Mark E. Weber, Brian S. Anderson, Barry C. Wiggins
GCAGS Transactions
... provide a low-cost method to enhance the seismic depth migration process by providing an independently measured constraint to the seismic velocity model...
2000
Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)
M. Lee Bell and Gary Myers
Search and Discovery.com
..., surface-consistent amplitude scaling, and two iterations of velocity analysis and reflection statics. After this pre-stack migration velocity analysis...
2015
ABSTRACT: Analytical Models of Petroleum Migration In Homogeneous Strata: Implications for Migration Efficiency and Velocity, by A. A. Brown; #91021 (2010)
Search and Discovery.com
2010
Extended Abstract: Full Waveform Inversion for Detailed Velocity Analysis
Jerry Kapoor, Denes Vigh
GCAGS Transactions
...Extended Abstract: Full Waveform Inversion for Detailed Velocity Analysis Jerry Kapoor, Denes Vigh 2016 777 780 Vol. 66 (2016) Kapoor, S., D. Vigh...
2016