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The AAPG/Datapages Combined Publications Database
Showing 771 Results. Searched 195,538 documents.
Inverse Grading Resulting from Coarse-sediment Transport Lag
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
... and shedding of eddies. A consequence of this circulation is that fine sediment is continuously lost from the head and carried "backward" into the mixing...
1997
R
John G. Dennis
AAPG Special Volumes
..., a root is the backward downward penetration of the anticlinal core, or of the thrust-mass, as the case may be. The conception is relative, rather than...
1967
ABSTRACT: Tectonic and Thermal forward modelling of Canadian Foothills An essential approach for reservoir appraisal, fluid flow and pore pressure history; #90011 (2002)
J. L. Faure, N. Benaouali, K. Osadetz, F. Roure
Search and Discovery.com
... intermediate geometries are uncompacted (backstripped) in a backward mode with the CERES software, and then used to model fluid flow and pore pressure...
2002
Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)
Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit
Search and Discovery.com
...) deterministic model demonstrated the weak backward scattering and explained the weak seismic expressions of hydrates on the surface seismic data. Here...
2013
Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)
Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... determination on a synthetic complex data set: The Leading Edge, 13. Whitmore, N. D., 1983, “Iterative depth migration by backward time propagation” presented...
2013
Abstract: Transmission Imaging: Moving Source Offset VSP (MSOVSP) Case Study; #90172 (2014)
Emmanuel Bongajum, Bernd Milkereit, Douglas Schmitt
Search and Discovery.com
... of the borehole will not be achieved with the R-450 data. Figure 4a shows the preprocessed data that is input in the backward wavefield extrapolation (2D...
2014
Abstract: Estimation of Q: a Comparison of Different Computational Methods; #90187 (2014)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... (t) is estimated by predicting a2 (t) from a1 (t). Similarly, a backward filter h21 (t) can be obtained by predicting a1 (t) from a2 (t). Then, the transfer...
2014
Abstracts: Evidence of Shallow Gas in the Queen Charlotte Basin from Waveform Tomography of Seismic Reflection Data; #90173 (2015)
Eric M. Takam Takougang and Andrew J. Calvert
Search and Discovery.com
... and the field data, using the negative gradient. The gradient is computed by multiplying the forward modeled wavefield by the backward propagated data residual...
2015
Abstract: Building Better Models Making Full Use of Petrophysical Data; #90211 (2015)
Elizabeth L’Heureux
Search and Discovery.com
... in either forward or backward directions. In addition, scattering attenuation and mode conversions may be of importance in all three of these media...
2015
A Quantitative Model for Salt Deposition in Actively Spreading Basins; #30117 (2010)
Bernard Montaron and Paul Tapponnier
Search and Discovery.com
... of accommodation space. The set of differential equations obtained is solved numerically. The model is applied backward in time to calibrate parameters, based...
2010
Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)
M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer
Search and Discovery.com
... Crater: Vis Geosci, v. 9, p. 1-9. Whitmore, N.D., 1983, Iterative depth migration by backward time propagation: 53rd Meeting, SEG, Expanded Abstracts...
2015
3D Inversion of Time-Domain Electromagnetic Data for Ground Water Aquifers, #41610 (2015).
Elliot M. Holtham, Mike McMillan, Eldad Haber
Search and Discovery.com
... using the finite volume method on OcTree meshes (Haber and Heldmann, 2007; Horesh and Haber, 2011) and in time using the backward Euler method...
2015
New Tools for New Challenges: Petroleum System Modeling of the Kurdish Foothills; #42256 (2018)
Marie Callies, Romain Darnault, Zahie Anka, Tristan Cornu, Edouard Le Garzic, Françoise Willien, Romain Giboreau
Search and Discovery.com
... and accumulation 1 Present day model building 2 Step by step backward restoration Sensitivity tests on faults permeability show it has a moderated i mpact...
2018
Profiles of Wyoming Coal Mines
Gary B. Glass
Earth Science Bulletin (WGA)
..., no drilling and no blasting necessary. While the machine is ripping coal, it is also moving the coal backward onto the machine, which then feeds the coal onto...
1973
Resource Development/Utilization: The Potential of In-Situ Lignite Gasification in Texas
Thomas F. Edgar, William R. Kaiser
Houston Geological Society
... is envisioned: 1 drying; 2 backward burning; 3 forward burning. Steps 1 and 2 are permeability enhancement (seam preparation) processes, while the final step...
1977
Foreign Investors – Host Country Relations
Piet Haryono
Indonesian Petroleum Association
... expenditures, with domestic procurement of equipment and materials amounting in the range of 5 to 20%. Backward linkage effects of the resources industry...
1981
How to Better Define the Structures Using 2D and 3D Restoration Tools in Complex Areas. Case Study in the Sub Andean Zone, Bolivia.
I. Moretti, A. Macris, J.F. Lecomte, V. Delos, A. Leclerc, J. Letouzey, A. Otero, J.C Calvo
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... and unfault a surface that represents a horizon. It is a backward process that could be applied through the commercial products 3D_Move or KINE3D_2, among...
2006
Structural Overlap of Passive Continental Margin Stratigraphic Packages Onto the Colorado Plateau Cratonic Package in Southwestern Utah.
M. C. Erskine
Pacific Section of AAPG
.... The following structural relationships indicate that the Wah Wah thrust system formed in a backward-breaking sequence (Figs. 8 and 9): (1) Each...
2001
Effects of Nanoscale Pore Confinement on CO2 Displacement
Kai Zhang, Qingquan Liu, Shuhua Wang, Dong Feng, Keliu Wu, Xiaohu Dong, Shengnan Chen, Zhangxin Chen
Unconventional Resources Technology Conference (URTEC)
...Pressure, psi ߤ − Viscosity, cp − ܮLength of the fingered region in a linear system, ft ܷ − Velocity of the backward-projecting finger, ft/sec ܺ − Distance t...
2016
Gulf Coast Magic
W. H. Roberts, III
GCAGS Transactions
... the same magic can be projected backward (and forward) in the geologic history of the Gulf Coast province, explaining many of the inland productive...
1982
An Effective Physics-Based Deep Learning Model for Enhancing Production Surveillance and Analysis in Unconventional Reservoirs
Yuewei Pan, Ran Bi, Peng Zhou, Lichi Deng, John Lee
Unconventional Resources Technology Conference (URTEC)
... and proved useful in many of the applications in the conventional and unconventional reservoir including production prediction, reservoir proxy model...
2019
The Hydraulic Shape of Sand Particles
Louis I. Briggs, David S. Mcculloch, Frank Moser
Journal of Sedimentary Research (SEPM)
... of circular cross-section, flow being from left to right: (a) is at low velocity, potential flow; (b) at higher velocity where backward flow behind...
1962
Enabling Cross-discipline Collaboration and Forward Modeling through Advanced Subsurface Geocellular Earth Modeling
Ronald Dusterhoft, Shameem Siddiqui, Carlos Davila
CSPG Bulletin
.... One of the key issues with this approach is that it is always looking backward to determine the path forward. By nature, this process is reactionary...
2015
Macaronichnus Segregatis: A Feeding Structure of Shallow Marine Polychaetes
H. Edward Clifton, Janet K. Thompson
Journal of Sedimentary Research (SEPM)
... potentially carry more bacteria than smoother particles. Less desirable grains may be pushed to the side by the proboscis or passed backward out of the feeding...
1978
-- no title --
Ehsan, Athar
Search and Discovery.com
... discretization will lead to inaccurate forward and backward wavefields due to dispersion phenomenon. On the other hand, if we use fixed fine grids...
Unknown