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The AAPG/Datapages Combined Publications Database
Showing 5,207 Results. Searched 201,051 documents.
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
... for each frequency band. The inverse of these decay functions for each frequency band is applied and the results are summed. In this way, the amplitude...
2015
Abstract: Seismic Attenuation (Q) Estimation from VSP Data; #90211 (2015)
Chuandong (Richard) Xu and Robert Stewart
Search and Discovery.com
...-derived Qp curve shows an inverse linear relationship with the VSP-derived Vp/Vs curve. Finally, the bulk value of Qp, Vp/Vs and Vp are estimated...
2015
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... compared to gradient-based methods. However, fast convergence rate in Newton-based method comes at the expense of solving the inverse of a large dense...
2015
Abstract: Multiple Attenuation Using MultiFocusing Technology; #90224 (2015)
Marianne Rauch–Davies, Alex Berkovitch, Kostya Deev, and Evgeny Landa
Search and Discovery.com
.... The common-reflecting-element (CRE) method (non-uniform asymmetric multifold system): Expl. Geoph., 19, 71–75. Hampson, D., 1986. Inverse velocity...
2015
Abstract: Three-Dimensional Geological Model of Onshore Lebanon; #90273 (2017)
Rachad Ghanem, Issam Boujaoude
Search and Discovery.com
... 19,050 pseudo (virtual) wells and 1,171 faults which were derived from maps and cross-sections in addition to a digital elevation model. The inverse...
2017
Abstract: Regional Assessment of the Eagle Ford Group of South Texas, USA: Insights from Lithology, Pore Volume, Water Saturation, Organic Richness, and Productivity Correlations; #90285 (2016)
Ursula Hammes, Raymond Eastwood, Guin McDaid, Emilian Vankov, Jeffrey Yarus, Amin Gherabati
Search and Discovery.com
..., and multivariate statistical analyses evaluated the impact of these variables on productivity. For example, TOC and Vclay show an inverse relationship which...
2017
Abstract: Molecular and Isotopic Composition of Associated and Nonassociated Gases and Evolution of Gas in the Berea Sandstone, Eastern Kentucky; #90308 (2017)
T. Marty Parris, Paul C. Hackley, Steven F. Greb, Cortland F. Eble
Search and Discovery.com
...), measured on three OAG and two NAG samples, show progressive enrichment in 13C with progressively higher molecular weight. When plotted versus the inverse...
2017
Abstract: Defining the Geologic and Economic Limits of the Marcellus Wet Gas Play; #90308 (2017)
Matthew C. Weinreich
Search and Discovery.com
... has an inverse correlation to liquid yield and hydrocarbon molecule size but a positive correlation to reservoir pressure and porosity development...
2017
Abstract: Seismic Driven Multistage Reservoir Characterization Process of Thinly Sand-Shale Interbedded Deltaic Reservoirs A Case Study from the Tapti Daman Sector of Mumbai Offshore Basin, India;
Uday Singh, Aninda Ghosh, Ajeet Pandey, Manisha Sarma, Hari Kirat Singh
Search and Discovery.com
... shows linear and inverse relationship with effective porosity (PHIE) in sands and biasing with facies. Effective porosity vs. water saturation relation...
Unknown
Abstract: 3-D Magnetotelluric (MT) Modelling Using Transient Electromagnetic (TEM) Data as Constraints for Imaging the Geothermal Reservoir in Saudi Arabia; #91209 (2025)
Abdul Latif Ashadi, Bülent Tezkan, Pritam Yogeshwar, Tilman Hanstein, Panagiotis Kirmizakis, Abid Khogali, Ahmed AlShaibani, Pantelis Soupios
Search and Discovery.com
... shallow data was also incorporated into the starting model to optimize the 3D MT inversion. Thus, unconstrained and constrained inverse models...
2025
Abstract: A New Pre-salt Sandstone Interval in Ultra-Deep Waters of Campos Basin, Brazil; #91215 (2026)
L. Borghi, A. Baumhardt, A. B. Almeida, C. Ribeiro, H. Santos, J. D. Santos, G. Raitz, M. C. Arena, J. Favoreto, F. Neves, N. H. Matto
Search and Discovery.com
... in frequency stratigraphically, whereas the inverse occur for muscovite and granitic lithics. Particularly noteworthy are limestone lithics formed by rare...
2026
Abstract: Taphofacies Model for Coquina Sedimentation in Mero Field; #91215 (2026)
M. dos Reis Rodrigues, J. Favoreto, J. Plantz, T. Schafer, L. Borghi, M. Andrade
Search and Discovery.com
... the biofabric interpretation, highlighting normal and inverse gradation, plane-parallel orientation, bioerosions, butterfly valves, pore, and fracture...
2026
Abstract: Adaptive Sampling for Physics-Informed Neural Networks Applied to Seismic Wavefield Simulation; #91215 (2026)
M. Marques, D. S. de Oliveira, A. Bizzi, L. D. Mendonça, C. J. Oliveira, L. Schwengber, L. D. Fernandez, D. Yukimura, P. Petrov, T. Novello, L. Nissenbaum, L. M. Moreira, J. M. Pereira
Search and Discovery.com
... for data-driven multiphysics simulation, widely regarded for its ability to solve forward and inverse problems. PINNs allow for a meshless approximation...
2026
Modeling of Evolution of Transgressive Sediments on the Northern Adriatic Sea after the Last Glacial Maximum, by James P.M. Syvitski, Yu'suke Kubo, Eric W.H. Hutton, and Albert J. Kettner, #50036 (2006).
Search and Discovery.com
2006
Controls from Channel Formation in Deep Water Distributive Systems, by David Hoyal, Benjamin A. Sheets, Christopher M. Edwards, and Roger B. Bloch, #50090 (2008).
Search and Discovery.com
2008
A Generalized Inverse Method for Testing Depth-Dependent Extension Models at Highly Extended Continental Margins, #30210 (2011)
Alistair Crosby, Nicky White, Glyn Edwards, Mark Thompson, Richard Corfield, Laura Mackay
Search and Discovery.com
...A Generalized Inverse Method for Testing Depth-Dependent Extension Models at Highly Extended Continental Margins, #30210 (2011) Alistair Crosby...
2011
Subsalt 3-D Modeling and HC Reservoir Prediction with Scarce 2-D Seismic Datasets: Can We Obtain Reliable Results?; #70283 (2017)
Tetyana Fedchenko, Oleksandr Petrovskyy
Search and Discovery.com
... the inversion, resulting the unique solution of the inverse problem. 4. Maximum available G&G information like seismic, well log, petrophysical and other data...
2017
Taphofacies Model for Coquina Sedimentation in Mero Field; #42602 (2025)
M. dos Reis Rodrigues, J. Favoreto, J. Plantz, T. Schafer, M. Andrade, L. Borghi
Search and Discovery.com
... and inverse gradation, plane-parallel orientation, bioerosions, butterfly valves, pore, and fracture fillings with carbonates and silica. The taphofacies...
2025
Textual heterogeneity in massive sandstones from the Grès d'Annot and Numidian Flysch: Implications for depositional processes
Urval S. Patel,, Dorrik A.V. Stow, Andy Gardiner, Jim Buckman
Journal of Sedimentary Research (SEPM)
...., Palaeomagnetism and Diagensis in Sediments: Geological Society of London, Special Publication 151, p. 125– 126. Hand, B.M., 1997, Inverse grading...
2022
Deposit Structure and Processes of Sand Deposition from Decelerating Sediment Suspensions
Esther J. Sumner, Lawrence A. Amy, Peter J. Talling
Journal of Sedimentary Research (SEPM)
... sheared layers is therefore an alternative process for generating the Bouma Tb division. Inverse grading developed at the base of the deposits...
2008
Geothermal Characteristics of North Jiangsu Basin and its Tectonic Implications
Wang Yi-hua
Circum Pacific Council Publications
..., k: thermal conductivity, grad T: thermal gradient. Thirteen oil layer temperatures are also used, with the method of nonlinear inverse problems...
1990
Distribution of Major and Some Trace Elements of Some Granites from Bangka, Indonesia
J. M. Sitanggang, P. T. Timah
Geological Society of Malaysia (GSM)
... and Rb/Sr ratio are positive but is inverse to the K/Rb ratio. INTRODUCTION The old geological map of the tin-provinces in Indonesia shows at least 15...
1986
Muddy Prodeltaic Hyperpycnites In the Lower Genesee Group of Central New York, USA: Implications For Mud Transport In Epicontinental Seas
Ryan D. Wilson, Juergen Schieber
Journal of Sedimentary Research (SEPM)
..., normal and inverse lamina-set grading, and a reduced intensity and diversity of bioturbation occur in multiple facies types and “interrupt” what...
2014
Use of extended source inversion for estimating the noise level in seismic data
Huiyi Chen, William W. Symes, Susan E. Minkoff
International Meeting for Applied Geoscience and Energy (IMAGE)
... estimation algorithm, coherent noise In Experiment 2 we use the same data as in Experiment 1 (with 30% coherent noise). We solve the inverse problem using...
2022
Resedimented Conglomerates in a Miocene Collision Suture, Hokkaido, Japan
H. Okada, S. K. Tandon
CSPG Special Publications
... conglomerate with major zones of disrupted bedding; (c) conglomerate with clast imbrication, associated with cross-bedded sandstone; (d) inverse...
1984