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The AAPG/Datapages Combined Publications Database
Showing 33,130 Results. Searched 200,357 documents.
Abstract: Quantitative Interpretation on Presalt Carbonate Reservoir From Deepwater Offshore Angola; #90310 (2017)
Chyril Anwwar Ibrahim, Trisakti Kurniawan
Search and Discovery.com
.... A Kirchhoff pre-stack depth migration with input of anisotropic velocity model were used in order to produce the seismic data that would have better...
2017
Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)
Morgan Brown
Search and Discovery.com
..., and expectations must be calibrated. 4) Dense, iterative velocity analysis is key to PSDM success. 5) Anisotropic PSDM is the only rigorous way to handle...
2012
Reflection or Refraction?
Aleksandr Nikitin, Nikolay Amelin, Sergei Pokrovskii, Andrey Lekomtsev
GEO ExPro Magazine
... a refracted wavebased velocity model can be a better, more stable and reliable alternative for signal enhancement data processing, migration procedures...
2017
Abstract: Depth Imaging of the Drake Structure in the Ultra-Deep Shelf Play of the Gulf of Mexico
George Zemlicka, Robert J. Bruce, Peter Gale, John E. G. Savage, Karen L. Sherlock, Dong-Sheng Li, Mike Plumlee, William J. Schneider, Glen Denyer, Randol Haworth, Jay Menard, Ricardo J. De Campos
GCAGS Transactions
... to the high quality depth image was the construction of a detailed velocity model, with sediment velocities derived from tomography and migration...
2006
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
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
Incorporation of Geology, Wells, and Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #40828 (2011)
Huyen Bui, Peck-Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Mart Smith
Search and Discovery.com
... be wrong at zero offset because the most important parameter that can cause the wrong depth is the vertical seismic velocity used in migration. To create...
2011
NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)
Joel Starr, Maz Farouki
Geological Society of Malaysia (GSM)
... Brazil. Values of ηeff range from 0 – 0.141. The ηeff field was determined by residual migration velocity analysis using the Alkhalifah NMO equation...
2008
Scale Modeling of Bed Forms: Abstract
John B. Southard, Lawrence A. Boguchwal
Dallas Geological Society
... d, mean flow velocity U, fluid density p and viscosity μ, sediment size D and density ps, and gravity g), dimensional analysis provides four model...
1977
Scale Modeling of Bed Forms: Abstract
John B. Southard, Lawrence A. Boguchwal
CSPG Special Publications
... d, mean flow velocity U, fluid density p and viscosity μ, sediment size D and density ps, and gravity g), dimensional analysis provides four model...
1977
Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons
B. S. Flowers
AAPG Special Volumes
..., but accurate velocity measurements that will give proper depth conversions are not possible. The ordinary time-migration section produced with migration-before...
1976
Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems
B. S. Flowers
AAPG Bulletin
... enough to be visible, but accurate velocity measurements that will give proper depth conversions are not possible. The ordinary time-migration...
1976
Abstract: Seismic Imaging near and within the Basement Offshore Malaysia; Including Comparisons of Imaging Algorithms (Geophysics Paper 19)
Nabil El Kady, M. Shah Sulaiman, Zabidi M Dom, Tang Wai Hoong, Lee Mei Lu, Pavel Vasilyev, Martin Bayly
Geological Society of Malaysia (GSM)
...; velocity model building and migration methods applied to successfully image the data. The basement fractures are present at a variety of scales but to aid...
2011
Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)
Yongwang Ma and Gary Margrave
Search and Discovery.com
... migration, dealing with lateral velocity variation while keeping the advantages of the phase-shift method, i.e., accuracy and efficiency. Other phase-shift...
2015
Seismic Time to Depth Conversion and Uncertainty Analysis for Horizon Prediction in a Proposed Well-Site of Sungai Gelam Field, Jambi Subbasin
Muhamad Wildan P., Imam Muda Gunawan, Andry Pujiriyanto, Sudarmaji
Indonesian Petroleum Association
... depending on the purpose and the availability of existing data sources. In seismic data, processing in the form of migration also involves velocity modeling...
2013
Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).
Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones
Search and Discovery.com
... precise velocity model combined with the appropriate migration algorithm can focus the recorded energy to its true subsurface locations. However...
2016
Critical Analysis of Stack Seismic Systems: DISCUSSION
Richard H. Hopkins
AAPG Bulletin
...Critical Analysis of Stack Seismic Systems: DISCUSSION Richard H. Hopkins 1967 2475 2475 51 12. (December) Nugent, L. E., 1967 Critical analysis...
1967
Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion
Peter Japsen
AAPG Bulletin
...) present log data from 60 wells on the Norwegian Shelf to investigate velocity-depth trends in sedimentary rocks. They present an interesting analysis...
2006
Envelope full-waveform inversion of marine seismic data
Kai Xiong, David Lumley, Wei Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity (Vp) with 2D acoustic FWI and IEI. Figure 3a shows the initial velocity model obtained from migration velocity analysis (MVA). The shot position...
2022
Seismic Foldout: Revealing a Promising New Play Concept in the Salar Basin, Offshore Canada
Yermek Balabekov, Susana Tierrablanca, Sriram Arasanipalai, Nizar Chemingui, PGS
GEO ExPro Magazine
... and provide better property constraints for QI analysis and anomaly interpretation. The high-resolution velocity model constrains lithologic...
2023
Abstract: Angle Gathers for Gaussian Beam Depth Migration; #90211 (2015)
Samuel Gray
Search and Discovery.com
... importance to prestack depth migration. They allow seismic velocity estimation by tomography and other methods, and they allow the analysis of seismic...
2015
Simultaneous inversion of velocity and reflectivity for enhanced seismic imaging
Yang Yang, Sriram Arasanipalai, Nizar Chemingui, Neil Paddy, Nicholas Montevecchi, David McCallum
International Meeting for Applied Geoscience and Energy (IMAGE)
... to performing Full Waveform Inversion (FWI) and LeastSquares Reverse Time Migration (LS-RTM), which provides high fidelity velocity and reflectivity models...
2022
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
... in the shallow interval; these velocity and imagery artifacts were not fully solved by the initial 2004-2005 Pre-Stack Time Migration processing (Fig. 5...
2011
New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging, #41705 (2015).
Marek Kacewicz, Sankar Muhuri, Weihong Fei
Search and Discovery.com
... stress and velocity models, inversion for new velocities / anisotropy, and pre-stack depth migration. The process starts in the shallow section where...
2015
Mapping Rock-Property Changes and Fluid Migration During Hydraulic Fracturing Using FWI of Microseismic Data
Search and Discovery.com
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