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The AAPG/Datapages Combined Publications Database
Showing 33,169 Results. Searched 200,693 documents.
Abstract: Anisotropic Depth Migration in the Colombian Llanos Foothills as a Key to Understanding the Structure in Depth, by R. W. Vestrum, I. C. Florez, and J. M. Gittins; #90090 (2009).
Search and Discovery.com
2009
ABSTRACT: Anisotropic Imaging of Okubotin 3-D Seismic Survey; #90115 (2010)
Adeboye A. Oni, Gislain Madiba, and Berti Ozumba
Search and Discovery.com
... Migration (PSDM) based on isotropic velocity model assumptions, though effective in imaging conventional reservoirs at shallower levels, is no longer...
2010
Common Reflection Surface
Search and Discovery.com
N/A
ABSTRACT: Innovative Methodology Applied to 3-D Exploration in an Emerging Trend; Norphlet (Upper Jurassic) Sandstone, Monroe County, Alabama, by William R. Dean, Jozica H. Gabitzsch; #91020 (1995).
Search and Discovery.com
N/A
Abstract: LSPSM for Pre-and Poststack Time Lapse Studies; #90187 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
...tivity due to velocity change. Since the only change in the velocity model is the dipping layer at 1 s, all other events below 1.3 s are migration...
2014
Pitfalls in Seismic Interpretation
Paul M. Tucker, Howard J. Yorston
Pacific Section of AAPG
... and subsurface is a red flag to heed. A detailed velocity analysis may be required. Geometry Pitfalls Our second category is geometry, the shape and steepness...
1972
Imaging of the Guando Field Colombia in Time and Depth
M.A. Hall, V. Avramovic, J.T. Basick, I. Novianti, D.T. Maucione, P.Kroshko, J.C. Garzon
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... migration using a model of similar geological complexity to the Guando field. PreSDM involves a velocity model building approach and the strong...
2003
Elastic Multi-parameter FWI Imaging – a North West Shelf undeveloped gas field case study
Fabio Mancini
Southeast Asia Petroleum Exploration Society (SEAPEX)
... diving waves is a well-established tool in the model-building workflow for producing high-resolution subsurface velocity models. However...
2025
Seismic Exploration Using Shear Waves
R. Garotta
Indonesian Petroleum Association
... from the velocity analysis. The ratio between the S interval velocity and the P interval velocity is called δV. Accuracy of the δV ratio is not so...
1978
Enhancing Reservoir Imaging and Monitoring Using Crosswell Seismic
Sanjeev Dogra, Ajay Nalonnil, Bruce Marion
Indonesian Petroleum Association
... of a carbonate reef reservoir in the Michigan Basin. Based on the analysis of traveltimes and average frequencies, we estimate velocity and attenuation...
2010
Velocity model building with a time shift objective function: Gulf of Mexico examples
Yi Yang, Ken Matson, Tadas Krupovnickas, Mark Huiskes, Rene-Edouard Plessix, Sijmen Gerritsen
International Meeting for Applied Geoscience and Energy (IMAGE)
... into our ability to explore in these basins. Under the framework where FWI is used to derive an imaging velocity model for Reverse Time Migration (RTM...
2022
Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View
Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff
Indonesian Petroleum Association
.... Initial Velocity Model and Shallow Horizons Interpretation A first Kirchhoff depth migration was run using an initial smoothed velocity model derived...
2009
ABSTRACT: Fast Beam Migration - An Interactive Depth Imaging Tool, by Tsingas, Constantine; Musat, Iulian; Tanushev, Nick; Popovici, Mihai; #90141 (2012)
Search and Discovery.com
2012
Subsurface Temperature Investigations Using Seismic and Bore Hole Temperature Data, Vermilion and Lafourche Parishes, Louisiana
A. H. M. Shah Alam, Rex H. Pilger, Jr.
GCAGS Transactions
...) and travel time to the depth point. Heat flow was estimated from the thermal model by considering the nearest BHT to the seismic velocity analysis location...
1986
Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas
Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui
Indonesian Petroleum Association
...Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas Nader C. Duta...
2015
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... in the migration because of accumulative traveltime errors caused by an inaccurate velocity model. To mitigate this issue, we present a coherent-stack...
2024
Enhancing PSDM via Well Data Derived from Gradient Boosted Trees Machine Learning
Marianne Rauch, Mike Perz, Sathiya Namasivayam, Ritesh Sharma
Unconventional Resources Technology Conference (URTEC)
... a better chance to solve the difficult near-surface wave propagation issues [5]. The migration velocity model building is a crucial part of the depth...
2020
Complex mountainous stepwise tomographic inversion modeling method
Haili Wang, Yongguo Wu, Weibo Li, Zhihui Yan, Li He, Baohua Yu
International Meeting for Applied Geoscience and Energy (IMAGE)
... information under the LVL is not considered to provide a near-surface velocity field for the pre-stack depth migration. On the basis of previous studies...
2024
Compensating for Seismic Absorption for Orthogonal Shooting Field Data: A Case Study on NW Tunu Area, Indonesia
Doddy Iqbal Biramandita, Vishal Kumar, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam, Didiek Bhudy Prabowo
Indonesian Petroleum Association
... velocity model building and Q-tomography was done in 7 iterations by Residual Curvature Analysis (RCA) in an iterative and horizon consistent manner...
2016
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: Lankahuasa Prospect: Open Door to Deeper-Water Exploration in Offshore Veracruz Area; #90007 (2002)
Rosa Adriana Anguiano-Rojas
Search and Discovery.com
... Search and Discovery Article #90007©2002 AAPG Annual Meeting, Houston, Texas, March 1-13, 2002 Figure 8.- Velocity analysis that shows some changes...
Unknown
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
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
... of dipping overburden layers. Substantiallatera1 velocity variation already falsifies the result of time migration as refraction of rays is normally...
1987
Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)
Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
.... Milkereit, and M. H. Salisbury, eds., Hardrock seismic exploration: SEG, pp. 229–246. Alkhalifah, T., and I. Tsvankin, 1995, Velocity analysis...
2015
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