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The AAPG/Datapages Combined Publications Database
Showing 31,981 Results. Searched 195,688 documents.
Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals
Mike Perz, Josef Heim, Candace Bruins
Unconventional Resources Technology Conference (URTEC)
...Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals Mike Perz, Josef Heim, Candace Bruins URTeC: 399...
2019
Washed-Out Ripples: Their Equilibrium Dimensions, Migration Rate, and Relation to Suspended-Sediment Concentration in Very Fine Sand
Jaco H. Baas , Herman De Koning
Journal of Sedimentary Research (SEPM)
... and Forbes (1979). Washed-out bed forms typically show a decreasing height in conjunction with a more constant spacing with increasing flow velocity (e.g....
1995
Abstract: Stochastic Modeling of Inclined Heterolithic Stratification With the Bank Retreat Model; #90213 (2015)
Michael J. Pyrcz and Clayton V. Deutsch
Search and Discovery.com
... the near bank velocity at the control nodes, (4) calculate the node migration as a function of the near bank velocity and host material erosion...
2015
Converted Waves Seismic Imaging : Importance of Gamma Estimation (Paper P4)
A. G. Mohd Adnan, A. R. Ghazali
Geological Society of Malaysia (GSM)
... of the converted shear wave (PS) from compressional wave (PP) is to apply an accurate Vp/Vs ratio (gamma) operator in the stack and migration process...
2012
Thin-skinned Gravity Sliding as a Mechanism for Growth Faulting: Unit 10: Principles
Martin P. A. Jackson, William E. Galloway
AAPG Special Volumes
... the subvertical effective stress, zz, remains constant within the overpressured zone where the fluid gradient, II, is the same as the lithostatic overburden...
1984
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
Abstract: A 3D pre-stack depth migration case history from the South China Sea
Refik Oezsen, Mark Crawley, Wan Ismail Wan Yusoff, Abdul Rahim Md. Arshad
Geological Society of Malaysia (GSM)
...Abstract: A 3D pre-stack depth migration case history from the South China Sea Refik Oezsen, Mark Crawley, Wan Ismail Wan Yusoff, Abdul Rahim Md...
1999
Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)
Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji
Search and Discovery.com
... techniques such as ray-based tomography and migration velocity analysis outputs inaccurate results (Yong, et al.,2018). In this paper we have studied 3D...
2023
The Formation and Behavior of "Vapor Lock" Pressure Seals and Associated Hydrocarbon Accumulations in Geologically Young Basins
W.M. Benzing , G.M. Shook , S.D. Leroy
GCAGS Transactions
... maintain the "vapor lock" seal. Any sands that are found within the pressure seal fill preferentially with the non-wetting gas and oil. Further migration...
1996
Imaging below Seafloor Canyons and other Rugose Features
Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon
Australian Petroleum Production & Exploration Association (APPEA) Journal
... of velocity related structural distortions. Keywords: depth imaging, depth migration, earth model building, seafloor topography, tomography. Accepted...
2017
Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)
Jiwu Lin, Sylvestre Charles, Josef Heim
Search and Discovery.com
...Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014) Jiwu Lin, Sylvestre Charles...
2014
Seismic Imaging and Interpretive Model Building in the Colombian Andes
Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... Depth migration in thrust-belt environments like the Colombian Andes requires an interpretive approach to building a depth-migration velocity model...
2006
Normal Moveout and Dip Moveout, C. L. Liner, #40037
Search and Discovery.com
N/A
Large-scale Sand Injection in the Paleogene of the North Sea: Modeling of Energy and Flow Velocities
Davide Duranti
AAPG Special Volumes
... velocity at the exit point A (vA) can, however, be estimated for the beginning of the flow, setting the initial conditions as constant. Hence, the fluid...
2007
The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,
Search and Discovery.com
...) composed of different but constant velocity units. The error between first break from forward modeling and first break from real travel time...
2011
Comparison of Various Depth Conversion Techniques in a Complex Foreland Thrust Belt Setting: Case Study in the North Seram Basin, Banda Arc
Muhammad Nauvall Juliansyah, Bayu Permana Putra, Agung Donurizki
Indonesian Petroleum Association
...Comparison of Various Depth Conversion Techniques in a Complex Foreland Thrust Belt Setting: Case Study in the North Seram Basin, Banda Arc Muhammad...
2019
MUSING ON MIGRATION
G. D. Hobson
Journal of Petroleum Geology
...MUSING ON MIGRATION G. D. Hobson 1980 237 240 3 2 The phenomenon of oil migration and accumulation poses a fascinating unsolved problem. Numerous...
1980
Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016).
Selim Simon Shaker
Search and Discovery.com
...Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016). Selim Simon Shaker Velocity for Pore Pressure Prediction Modeling...
2016
Abstract: Time-Lapse FullWaveform Inversion Application To Seismic Monitoring Of CO2 Sequestration; #90224 (2015)
Wubshet Alemie
Search and Discovery.com
... the 2D velocity model for a constant density acoustic wave equation modelling presented in Equation 1 to mimic the time lapse change. This model has...
2015
Buoyancy and Interfacial Force Effects on Two-Phase Displacement Patterns: An Experimental Study1
Tomochika Tokunaga, Katsuro Mogi, Osamu Matsubara, Hiroyuki Tosaka, and Keiji Kojima
AAPG Bulletin
..., Hiroyuki Tosaka, and Keiji Kojima 2000 65 74 84 1 Modeling secondary migration of oil currently is difficult because the physics governing...
2000
Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)
Michael Thornton, Mike Mueller, and Leo Eisner
Search and Discovery.com
... e r wavelet with a constant moveout velocity of 12,000 feet/s. For a range of input SNR levels (0.02-20), Gaussian noise was added to the modeled...
2014
1.5 Crustal Sections: A Wide Angle Seismic Profile
V. J. Hughes, R. S. White, E. J. W. Jones, D. H. Matthews, J. A. Brewer, and D. K. Smythe
AAPG Special Volumes
... of the constant offset profile are caused partly by refracted arrivals returned directly from the lower velocity sediments and partly by multiply-reflected...
1983
Abstract: Investigations of Seismic Signatures of CO2 Saturation as Part of a Geological Storage Project; #90187 (2014)
Gautier Njiekak, Douglas R. Schmitt, and Randolf S. Kofman
Search and Discovery.com
... here are from measurements made at constant temperature (23 ˚C and 50 ˚C) with the pore pressure varying from 1 MPa to 25 MPa in each case. As pore...
2014
Abstract: Subsalt Migration Velocity Analysis with the Common Image Cube Approach, by K. Mansoor, O. Hermant, H. Baudon, S. Warzocha, and M. Van De Rijzen, #90188 (2014)
Search and Discovery.com
2014
Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)
Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt
Search and Discovery.com
... lateral velocity variations, conventional time migration data has some pitfalls, which may lead to misinterpretation. Depth migration data possesses...
2015