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The AAPG/Datapages Combined Publications Database
Showing 33,167 Results. Searched 200,599 documents.
Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).
D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati
Search and Discovery.com
... migration can be achieved only if a precise estimate of interval velocity in depth is available. The definition of a reliable velocity model for depth...
2015
Optimised 3D Land Geophysical Survey Design - A Case Study
P. van Baaren
Papua New Guinea (PNG) Petroleum Convention Proceedings
... a linear v(z) velocity function in calculations (Liner and Underwood, 1999), and using the migration process itself in which point diffractors...
2000
Crooks Gap Field: Problems with 3-D Interpretation (Extended Abstract)
Robert E. Wellborn, Mike Peffer
Wyoming Geological Association
... statics reapplied 3D DMO DMO velocity analysis CDP statics Stack 1 pass 3D migration (Phase Shift) using 100% velocities Time domain...
2000
Diving Deeper to Reveal Hydrocarbon Potential in the Barents Sea
Sören Naumann, Rune Sakariassen, PGS
GEO ExPro Magazine
...-scale geological features and improves understanding of the geology, an accurate velocity model for pre-stack depth migration is required. Refraction...
2019
2000
Abstract: Plays and Prospectivity Offshore Lebanon, Syria and Cyprus: New Insights from Depth Imaged Seismic Data, by Glyn Roberts, Charles Harmer, and Dave Peace; #90105 (2010)
Search and Discovery.com
2010
ABSTRACT: Gravity Signatures of the Deep-Water Reservoirs of Offshore Nigeria, West Africa; #90115 (2010)
A. A. Adepelumi and O. O. Folarin
Search and Discovery.com
... within the basin. It also provides information on the migration and the possible density-velocity model that could be used in reprocessing the existing...
2010
Abstract: Transmission Imaging: Moving Source Offset VSP (MSOVSP) Case Study; #90172 (2014)
Emmanuel Bongajum, Bernd Milkereit, Douglas Schmitt
Search and Discovery.com
... imaging methods which include a time-shift and a reversed-time migration based approach were implemented and assessed on synthetic and real seismic (MSOVSP...
2014
Full-waveform inversion derived prestack reflectivity gathers
Jian Mao, Xin Cheng, Denes Vigh, James Xu, Qiaofeng Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... with frequency and acquisition directivity, it can achieve higher amplitude fidelity for AVO analysis than conventional migration methods. Introduction Full...
2023
Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt
S. Lingrey
Papua New Guinea (PNG) Petroleum Convention Proceedings
..., and a folded surface of velocity inversion (5000 m/s Darai Limestone overlying 3300 m/s leru Formation). Velocity analysis and signal enhancement...
2000
Turning high resolution FWI model into pseudo-reflectivity: A case study using sparse OBN
Bing Bai, Yao Yu, Ruoyu Gu, Shenghong Tai, Denes Vigh
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the inverted velocity model. The migration image is usually considered as normal reflectivity of the subsurface, however, a pseudoreflectivity can...
2022
Integrating advanced azimuthal tomography and FWI to improve complicated carbonate fracture-cavity reservoirs in ShunBei oil fields, Tarim Basin
Lanlan Yan, Jiashun Yao, Hao Zheng, Kai Guo, Yong Zhang, Feiluo Peng, Yan Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Geophysical Research Institute Corporation, SINOPEC KeyWords: Deep carbonate，Igneous rocks， FWI， Tomography， Velocity Modeling Summary In ShunBei oil...
2024
Abstract: Rapid Velocity Images of Complex Structures, by P. J. Barton and R. A. Edwards; #90923 (1999)
Search and Discovery.com
1999
Structural Uncertainty of Parigi Carbonate Platform Due to Velocity Model Pitfall and Its Impact to Development Drilling: A Case Study of XPA Development Wells, PHE ONWJ
Search and Discovery.com
N/A
ENHANCED IMAGING BENEATH COMPLEX GAS CLOUDS AND CARBONATES USING Q-TLFWI AND LS-QPSDM ON ULTRA-SPARSE SHALLOW WATER OBC NORTHWEST JAVA BASIN, OFFSHORE INDONESIA
Chenghai Jiao, Yitao Chen, Peipei Deng, Hudzaifah, and Normansyah
Indonesian Petroleum Association
... distortions and amplitude loss due to spatial velocity variations and absorption effects, severe attenuation affected penetration of the deeper layers...
2025
Abstract: Enhancing Interpretation Efficiency: Transforming Sparse 2D Data into a 3D Volume; #91204 (2023)
Peter Lee, Adam Betteridge, Tom Travis, Moussa Abugouda, Ahmed Abdul Aziz, Ahmed Sami, Mohamed Morsi, Subodh Notiyal, Tanya Johnstone, Andrew King
Search and Discovery.com
... before post migration processing was applied, producing a 3D seismic volume covering an area of 32, 880 km2. To derive the 3D regional depth velocity...
2023
Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia
David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho
Indonesian Petroleum Association
... the combined use of acoustic impedance, isochron analysis, seismic facies, velocity estimation and an understanding of regional paleogeography. A novel...
2005
Land 3D Acquisition Techniques Related to S.E. Asian Situation
Walter Ritchie
Indonesian Petroleum Association
... with sophisticated algorithms developed to handle the statistical requirements for resolution of velocity and statics in the spatial sense. 3D migration...
1981
Revealing the discontinuities by 3D prestack diffraction separation and imaging
Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
.... obtain the NMO velocity by the velocity analysis process; 2. calculate the corresponding midpoint and zero-offset traveltime of the sample point...
2022
Time-Series Study of Mesoscale Tidal Bedforms, Martens Plate, Wadden Sea, Germany
Richard A. Davis Jr., B. W. Flemming
CSPG Special Publications
... bathymetric profiles, side-scan sonar surveys, and current velocity measurements were taken over a complete lunar tidal cycle through a tidal channel...
1991
ABSTRACT: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas, by Rubén D. Martínez; #90158 (2012)
Search and Discovery.com
2012
A Modeling Study for Imaging in Structurally Complex Media: Case History
Hesham Moubarak
Search and Discovery.com
... still be obtained providing the spatial sampling was adequate and the known velocity/depth model was used for the migration. The synthetic model contains...
Unknown
A Modeling Study for Imaging in Structurally Complex Media: Case History
Hesham Moubarak
Search and Discovery.com
... still be obtained providing the spatial sampling was adequate and the known velocity/depth model was used for the migration. The synthetic model contains...
Unknown
Identification and calculation of transfer overpressure in the northern Qaidam Basin, northwest China
Changyu Fan, Zhenliang Wang, Aiguo Wang, Suotang Fu, Liqun Wang, Yongshu Zhang, Hongxi Kong, and Xiao Zhang
AAPG Bulletin
... curve. According to equations 2–5 in the text and the empirical relationship of sonic velocity and vertical effective stress from the analysis, the sonic...
2016
Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks
Christian Hermanrud, and Oddgeir Undertun
AAPG Bulletin
... and on the velocity responses to lithological variations that could be mistaken for indications of pore pressure changes. Analysis of relationships between...
2019