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The AAPG/Datapages Combined Publications Database
Showing 1,887 Results. Searched 195,405 documents.
2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology
Eric Pearson, Suyang Chen
Indonesian Petroleum Association
... TOMOGRAPHY TECHNOLOGY Eric Pearson* Suyang Chen** ABSTRACT The seismic database utilised for the Kumawa PSC 2D PSDM (prestack depth migration...
2012
ABSTRACT: TUTORIAL: IMAGING THROUGH SHALLOW GAS, DIVING WAVE
Brian Broussard, Luis Canales, Charles Carvill, Lee Lu, Juan Perdomo, Chung-Chi Shih, Sherman Yang, Peter Melville, Mehmet Tanis
Geological Society of Trinidad & Tobago
... model for depth migration. Refraction tomographic inversion of first arrival times is an iterative process. It includes initial velocity model building...
2007
Seismically Driven Reservoir Characterization Using an Innovative Integrated Approach: Application to a Fractured Reservoir (Geology Paper 10)
Abdel M Zellou, Soren Christensen, Tanja Ebbe Dalgaard, Gary Robinson
Geological Society of Malaysia (GSM)
..., with the most recent versions being a Pre-Stack Time Migration (PSTM) volume from 2001 and a Pre-Stack Depth Migration (PSDM) volume from 2003. As with most...
2008
Abstract: Petroleum Geochemistry and Mudstone Diagenesis of the Woodford Shale, Anadarko Basin, USA - An Integrated Approach; #90283 (2016)
C. D. Laughrey, P. F. Purrazzella
Search and Discovery.com
... was to identify the critical mechanisms that control oil and natural gas generation, expulsion, migration, and retention in an active petroleum source rock...
2016
Petroleum Systems Asymmetry Across the South Atlantic Equatorial Margins
Search and Discovery.com
N/A
Improve Subsalt Image with Wide Azimuth Data in the Gulf of Mexico, Lin, Dechun, #90100 (2009)
Search and Discovery.com
2009
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... on the prestack data, it removes the need for iterative depth migrations. It also allows the user to inspect the data as the model is formed. Since only...
2014
Seismic imaging of the Turtle Mountain structure, southwestern Alberta, Canada
J.H. Isaac, D.C. Lawton, C.W. Langenberg
CSPG Bulletin
... in the section, which is expected to be relatively undeformed. Prestack depth migration provided better images. Our most effective velocity models...
2008
Model-Based, 2-D Seismic Definition of Subthrust Structure in the Uranium Peak Area, Northwest Colorado
George C. Robertson, Dirk W. McDermott, Rex L. Tang
Rocky Mountain Association of Geologists
... p t h migration software o n a N E C SX3 supercomputer. Several iterative velocity models and migration passes were run. Prestack depth migration...
1995
Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia
David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim
Indonesian Petroleum Association
... the updated velocity model. The image domain QC is based on an efficient implementation of Beam Pre-Stack Depth Migration (BPSDM) (Sherwood et al., 2009...
2019
U-net based primary alignment
Ricard Durall, Ammar Ghanim, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
..., prestack migration and demultiple processes. This is particularly essential for amplitude versus offset (AVO) studies, as flat gathers are necessary...
2023
High-resolution imaging using Gaussian beam point-spread-function deconvolution
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Depth (km) 5 4 3 2 1 0 Figure 2: Migration velocity model for the land survey built by ray-based tomography. Figure 3: The PSFs for the land survey...
2023
Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)
Marcus R. Wilson and Robert J. Ferguson
Search and Discovery.com
... migration with the phase-shift method: Geophysics, 43, 1342-1351. Margrave, G.F., and Ferguson, R. J., 1999, Prestack depth migration by symmetric...
2015
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
..., Canada [email protected] Summary Least-squares wave-equation pre-stack depth migration is a computationally expensive algorithm, requiring repeated...
2013
Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures
Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.
Southeast Asia Petroleum Exploration Society (SEAPEX)
... process. The pre-stack depth migration routine utilized in this study was itself iterative or recursive. The seismic section obtained from each iteration...
1994
Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)
John C. Bancroft
Search and Discovery.com
... migration with the phase shift method, Geophysics, Vol. 43, 1342 – 1351. Khaniani, H., Bancroft, J. C., and Von Lumen, E., 2013, Iterative...
2015
Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt
S. Lingrey
Papua New Guinea (PNG) Petroleum Convention Proceedings
...) interpretation of Toro Formation reflections in the stack data, 5) inverse modeling of Toro Formation reflection segments (depth migration), 6...
2000
Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)
Morgan Brown
Search and Discovery.com
...Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012) Morgan Brown Prestack Depth Migration for "Easy" Unconventional Plays...
2012
New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging, #41705 (2015).
Marek Kacewicz, Sankar Muhuri, Weihong Fei
Search and Discovery.com
... to compute velocities. In pre-stack depth migration such velocities typically lead to a better seismic image. This presentation introduces new geologically...
2015
Prewell and postwell predictions of oil and gas columns using an iterative Monte Carlo technique with three-dimensional petroleum systems modeling
Are Tømmerås, Øyvind Sylta, Matthias C. Daszinnies, and Davide Mencaroni
AAPG Bulletin
...Prewell and postwell predictions of oil and gas columns using an iterative Monte Carlo technique with three-dimensional petroleum systems modeling...
2018
Seismic in Understanding a Geological Model: Exploration in the UK Southern North Sea Rotliegend Transition Zone, by Hubert J. M. Dejong, Richard Knight, Ray McClenaghan, Franek Mrozek, #40114 (2004).
Search and Discovery.com
2004
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... parallelizable. The speed of this algorithm also makes it possible to perform iterative velocity analysis. In the case of least squares migration the forward...
2015
Extended Abstract: Source Body Migration, an Approximate Inversion Method for Full Tensor Gravity Gradiometer Data
James Brewster, John Mims
GCAGS Transactions
... density source bodies to the gravity gradient observations. This is done by the iterative application of potential field migration, a 3D imaging method...
2016
Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).
Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk
Search and Discovery.com
... of image (3500 m depth) for the offsets from 4.3 to 7.2 km. For this example, we used a two-way wave-equation reverse-time migration and modeling (Symes...
2015
Abstract: Better Imaging of the Subsurface using Primaries and Multiples: A Synthetic Example
Abdul Rahim Md Arshad, Deva Ghosh
Geological Society of Malaysia (GSM)
... migration after demultiple, a synthetic line mimicking a seismic line in the Malay Basin was imaged by simultaneously migrating the primaries...
2017