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The AAPG/Datapages Combined Publications Database
Showing 20,859 Results. Searched 200,626 documents.
The Size-Distribution of Heavy Minerals Within a Water-Laid Sandstone
William W. Rubey
Journal of Sedimentary Research (SEPM)
... a much larger surface area opposed to the currents of water than spherical particles of the same volume and density and, for that reason, the flat...
1933
Giant sediment-wave field and supercritical flows in a distally steepened ramp, Fort Payne Formation (Lower Mississippian), Kentucky–Tennessee, U.S.A.
C. ROBERTSON HANDFORD
Journal of Sedimentary Research (SEPM)
...Giant sediment-wave field and supercritical flows in a distally steepened ramp, Fort Payne Formation (Lower Mississippian), Kentucky–Tennessee...
2024
Gravity-Driven Consolidation of Granular Slurries--Implications for Debris-Flow Deposition and Deposit Characteristics
Jon J. Major
Journal of Sedimentary Research (SEPM)
... of homogeneous, poorly sorted debris can result from mingling of soft deposits and recurrent surges rather than from a single flow wave if deposit...
2000
A deep learning-based inverse Hessian for full-waveform inversion
Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
..., we propose the use of an approximate Gauss-Newton Hessian computed from a linearization of the wave-equation as commonly done in Least-Squares...
2023
Machine Learning Regressors and their Metrics to predict Synthetic Sonic and Brittle Zones
Ishank Gupta, Deepak Devegowda, Vikram Jayaram, Chandra Rai, Carl Sondergeld
Unconventional Resources Technology Conference (URTEC)
... the Eagle Ford, Wolfcamp and Woodford. Cylindrical horizontal plugs (1” by 1”, parallel to bedding) were cored at all the 660 locations and dried...
2019
Multiwell 3D DAS-VSP data acquisition for offshore exploration in the Middle East
Qingfeng Li, Gang Yu, Jilong Zhao, Dong Huang, Yangshuan Fan
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and the record length is 10 seconds. The original 3D DAS-VSP data were recorded continuously 24/7 in the field. Each OBN shot time and shot GPS coordinates were...
2023
ABSTRACT: Comparing of an Estimated Sonic Log with Measured Sonic Log; #90118 (2011)
Felix Oghenekohwo and George Smith
Search and Discovery.com
... of logging can be fraught with errors that can lead to wrong interpretation. One of such data is the shear wave velocity which in most cases...
2011
Relative Rock Properties An Alternative to Estimate Reservoir Properties from Seismic Data; #42177 (2018)
Alvaro Chaveste
Search and Discovery.com
... properties are computed as a linear combination of relative rock properties. The parameters of the linear equation are obtained from well-log data by least...
2018
Chapter 149: Jackfork Group Turbidites in the Hollywood Quarry, Arkansas, USA: Outcrop Characterization, 3-D Geological Modeling, and Upscaling for Reservoir Simulation
J. Camilo Goyeneche, Roger M. Slatt, Alan J. Witten, Roger A. Young
AAPG Special Volumes
.... Slatt, 2005, Seismic reflection processing by plane-wave synthesis: Journal of Geophysics and Engineering, v. 2, p. 1–7. Young, R. A., B. Peterson...
2007
Interpretation of Depositional and Diagenetic History of Cambrian-Ordovician Succession of Northwest Scotland: Chapter 45: Northwestern Border of the Orogenic Belt
Keene Swett
AAPG Special Volumes
... called the "Pipe Rock" because of abundant cylindrical or rodlike structures oriented normal to the bedding (Nicol [1857] compared the structures to pipe...
1969
Cross-Well Seismology: A New Production Tool
B. N. P. Paulsson, R. T. Langan
Indonesian Petroleum Association
... model based upon a producing field in the Southern San Joaquin Valley (USA). A finite difference solution to the acoustic wave equation was used...
1988
Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion
Md Iftekhar Alam, Salman Abbasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... on a finite-difference grid. In waveform inversion, it solves the visco-acoustic wave equation using the mixed-grid approach of Jo et al. (1996), which...
2024
A Practical Model for Organic Richness from Porosity and Resistivity Logs
Q. R. PASSEY , S. CREANEY , J. B. KULLA , F. J. MORETTI , and J. D. STROUD
AAPG Bulletin
..., Use of sonic-shear-wave/resistivity overlay as a quick-look method for identifying potential pay zones in the Ohio (Devonian) Shale: Journal...
1990
High-resolution angle gather tomography with Fourier neural operators
Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... the acoustic VTI wave-equation: 82nd Annual International Conference and Exhibition, EAGE, Extended Abstracts, doi: https://doi.org/10.3997/2214-4609.202113304...
2023
Effects of Methane Hydrate on the Physical Properties of Sediments
William J. Winters, William F. Waite, David H. Mason
AAPG Special Volumes
...-wave) velocity was measured by pulse transmission through the cylindrical sample using 500 kHz1 MHz (natural frequency) wafer-shaped crystals...
2009
Development of offshore microtremor array exploration
Yoshikazu Matsubara, Mikihiro Imai, Akeshi Hiraide
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity of the boundary wave is calculated by the characteristic equation, and it approaches the Rayleigh wave on the low frequency side and the Stonery...
2022
Elastic AWI and RWI in the Santos Basin
Tenice Nangoo, Nikhil Shah, Adrian Umpleby, John Armitage, Mike Warner, Gustavo Catao Alves, Andre Bulcao, Analena Mileo Camara de Oliveira
International Meeting for Applied Geoscience and Energy (IMAGE)
... inversion can be much more expensive than acoustic inversion, partly because the associated vector wave equation involves more variables, partly...
2024
Lava–Sediment Interaction and Drainage-System Development In A Large Igneous Province: Columbia River Flood Basalt Province, Washington State, U.S.A.
Alena Ebinghaus, Adrian J. Hartley, David W. Jolley, Malcolm Hole, John Millett
Journal of Sedimentary Research (SEPM)
... in the CRBP according to the stratigraphic position. See abbreviations and GPS coordinates for interbed sites in Table 1. Table 1. Summary of studied...
2014
Computer Modeling a Miocene Carbonate Platform, Mallorca, Spain
Dan W. J. Bosence , Luis Pomar , David A. Waltham , Thomas H. G. Lankester
AAPG Bulletin
... (wave base depth). Equation 7 then gives EQUATION (8) which has a solution EQUATION (9) where co is a constant and EQUATION (10) In equation 9...
1994
Paleoecology of Late Tremadocian Reef-Bearing Strata in Western Hubei Province of China
Zhu Zhongde, Jiang Yanwen, Liu Bingli
Pacific Section SEPM
... derived from erosion of the reefs, with the holdfasts remaining essentially insitu, in spite of wave action. 3) Pelmatozoans and other organisms grew...
1995
Factors Behind Variation in Geomechanical Properties of a Highly Lithified, Quartzose Sandstone; #40458 (2009)
Nabanita Gupta
Search and Discovery.com
... is also correlated with the acoustic measurement, in terms of compressional and shear wave velocities. A newly designed rock testing device, the Inclined...
2009
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
... *** Statoil © elastic full wave-form forward modeling to help in the interpretation, analysis and uncertainty estimates. Each of those particular results...
2013
Influence of tectonic exhumation on porosity of Wufeng–Longmaxi shale in the Fuling gas field of the eastern Sichuan Basin, China
Rui Liu, Fang Hao, Terry Engelder, Zhiguo Shu, Jizheng Yi, Shang Xu, and Changyu Teng
AAPG Bulletin
..., respectively. The OM-hosted pores were preserved with spherical morphologies because of overpressure-associated overburden stress unloading in the gentle...
2020
Traveltime tomography and efficient physics-informed Bayesian inversion
Tian Qiao, George Turkiyah, Gerard T. Schuster
International Meeting for Applied Geoscience and Energy (IMAGE)
... by the 1D traveltime modeling equation listed under Figure 1a, where we assume an Nlayered medium with each layer having a thickness of ∆z, no ray...
2022
An Approach of Colour Blending Analysis with Log Empirical Equation to Determine Fluvial Dimension in the Underutilized Potential of the Talang Akar Formation in Krisna High, Central Sunda Basin
Rady Adiarsa, Fathul Mubin, Reza Widiatmo, Rahmat Agung Priambodo, Nurul Hasani
Indonesian Petroleum Association
...An Approach of Colour Blending Analysis with Log Empirical Equation to Determine Fluvial Dimension in the Underutilized Potential of the Talang Akar...
2024