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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
Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: REPLY
James M. Mattinson, Richard V. Fisher
Journal of Sedimentary Research (SEPM)
... applied to velocity differences across stream lines in the boundary layers of real fluids. Nevertheless, a simple experiment by one of us (Mattinson) shows...
1970
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
... anomalies below the velocity-inversion surface. Surdam et al. (2000) acterized by modest topographic relief, in this case a topographic high...
2001
Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)
Philip Wild
Search and Discovery.com
...) anisotropy, can be passed into velocity models used in move out and migration steps for processing associated surface seismic data (for example, Close, et al...
2014
Geomechanical prestack depth migration of the Kraken 3D (Browse Basin, Australia)
Jarrod Dunne, Ferudun Kilic, Matthew Zengerer, Pramod Kumar, Hamish Stein, Shiv Pujan Singh, Stephen Gallagher
Petroleum Exploration Society of Australia (PESA)
...Geomechanical prestack depth migration of the Kraken 3D (Browse Basin, Australia) Jarrod Dunne, Ferudun Kilic, Matthew Zengerer, Pramod Kumar, Hamish...
2018
Deep learning velocity model building using an ensemble regression approach
Stuart Farris, Guillaume Barnier, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... seismic data to low wavenumber velocity mod¯ els. In our case, input features, yi 2 RNs ⇥Nr ⇥Nt , are three dis s ¯ mensional and labels, xi 2 RNx ⇥Nz...
2022
Challenges of Sub-Thrust Imaging Using Broadband Three-Dimensional Seismic Data: a Case Study in the Outer Banda Arc, Indonesia
Masamichi Fujimoto, Yonghe Guo, Anky Fatwa, Yuki Sasaki
Indonesian Petroleum Association
... prestack depth migration (PrSDM) velocity modeling and imaging were utilized for the study. The paper will describe the benefits of broadband seismic...
2014
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
Experiments on Wedge-Shaped Deep Sea Sedimentary Deposits in Minibasins and/or on Channel Levees Emplaced by Turbidity Currents. Part I. Documentation of the Flow
Octavio E. Sequeiros, Benoit Spinewine, Marcelo H. Garcia, Rick T. Beaubouef, Tao Sun, Gary Parker
Journal of Sedimentary Research (SEPM)
..., documents the downstream migration of the hydraulic jump in terms of velocity profiles. All three velocity profiles were taken within 0.15 m of each...
2009
The Influence of Transport Fluctuations on Spatially Averaged Topography on a Sandy, Braided Fluvial Fan
Chris Paola, Gary Parker, David C. Mohrig, Kelin X. Whipple
Special Publications of SEPM
... Recent Advances in for Sedimentary 2 g velocity depth sediment flux even if input fluxes are The constant reconfiguration of the flow pattern gives...
1999
Simultaneous Joint Inversion of Electromagnetic, Gravity and Seismic Data for Thrust Belt and Sub-Basalt Imaging
Virgilio Massimo, Stephen Hallinan, Marco Mantovani
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... the migration with the single domain refraction technology and on the bottom the same migration provided with the velocity Figure 1: Standard PSDM (above...
2009
Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)
Jianhua Pan
Search and Discovery.com
... Pzz 1 Ptt , v2 (1) where P is the acoustic wavefield and v is the velocity. Assume the velocity is constant in the interval ( z 0 , z...
2014
Adventures in Pre-Stack Depth Migration; #110121 (2010)
James Allen
Search and Discovery.com
..., J.L. and J.M.Bruso, 1989, A case history of velocity problems in the shadow of a large growth fault in the Frio Formation, Texas Gulf Coast: Bulletin...
2010
A Siamese network-based full-wave inversion: Application on real data
Omar M. Saad, Randy Harsuko, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model, shown in Figure 3(a), is obtained from the results of migration velocity analysis conducted by Kalita and Alkhalifah (2017). The model grid...
2024
Elastic reverse-time migration without wavefield decomposition
Daiguang Li, Shengchang Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
...Elastic reverse-time migration without wavefield decomposition Daiguang Li, Shengchang Chen Elastic reverse time migration without wavefield...
2022
Compositional Changes to Gas Migrating through Water-Saturated Rock, #41391 (2014).
Alton A. Brown
Search and Discovery.com
... in water, natural gas composition is commonly assumed to be unaltered by migration. This may not be the case. Although gases are sparingly soluble...
2014
Introduction to Ground-Water Hydrology, 1993 - Darcy's Law
New Orleans Geological Society
... at the velocity at which ground water moves, a property we would like to know for estimating contaminant migration. Let's start by rearranging Eq. 2.1: [Q...
1993
Imaging challenges at Gulf of Papua (PNG) and their solutions through high-end imaging technology
Zongying Gong, Subhash Chandra, Xiaodong Wu, Yajing Li, Min Zhi, Michael Szczepaniak, Barry Hung
Petroleum Exploration Society of Australia (PESA)
... of information were then combined and fed into the non-linear tomography, which gave us a more reliable velocity model (Figure 4b). Migration...
2019
Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion
Margarita Pavlova
Petroleum Exploration Society of Australia (PESA)
.... A low frequency model was created from smoothed log data and co-kriged with the migration seismic velocity. To further guide interpolation...
2019
Depositional Turbidity Currents in Diapiric Minibasins on the Continental Slope: Experiments—Numerical Simulation and Upscaling
Horacio Toniolo, Gary Parker, Vaughan Voller, R.T. Beaubouef
Journal of Sedimentary Research (SEPM)
... velocity vs does involve a Reynolds-number dependence (e.g., Dietrich 1982). In the case of a purely depositional turbidity current, however...
2006
Abstract: Azimuthal Residual Velocity Analysis in Offset Vector for WAZ Imaging, by Didier Lecerf, Jean-Luc Boelle, Amhed Belmokhtar, and Abdeljebbar Ladmek; #90105 (2010)
Search and Discovery.com
2010
A New Approach to Pore Pressure Predictions: Generation, Expulsion, and Retention Trio—Case Histories from the Gulf of Mexico
Selim Simon Shaker
GCAGS Transactions
... function. Velocities must be processed for de-multiple, DMO (dip move-out) and pre-stack migration. Converting the time-velocity pairs to depth-velocity...
2015
High-resolution near-surface land FWI across the Delaware basin fill zone
Terence Krishnasamy, James Sheng, Ronaldo Florendo, James Beck, Antonio Sierra, Sam Murphy, Jay Siebens, Yvonne Iwo-Brown
International Meeting for Applied Geoscience and Energy (IMAGE)
... for velocity model building and imaging. We present here a case study of strategically applying different FWI cost functions to generate a stable high...
2023
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study; #80392 (2014)
Morgan P. Brown
Search and Discovery.com
...PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study; #80392 (2014) Morgan P. Brown PSDM for Unconventional Reservoirs? A Niobrara Shale...
2014
Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks
Christian Hermanrud, and Oddgeir Undertun
AAPG Bulletin
...). This was probably the case for the above-mentioned Haltenbanken samples (Stjern et al., 2003). Such cementation increases the sonic velocity of the rock...
2019