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The AAPG/Datapages Combined Publications Database
Showing 29,449 Results. Searched 200,691 documents.
Gradient-regularized physics informed neural networks for acoustic wave simulation
Shobhit Mishra, Bharath Shekar
International Meeting for Applied Geoscience and Energy (IMAGE)
... for unit density and velocity function v(x, y) is (Igel, 2016): utt = v2 (uxx + uyy ) − s(x, y) = 0, x, y ∈ Ω, (1) where u(x, y,t) is the solution...
2024
Structure of the Raton Basin From a Regional Seismic Line
James K. Applegate, Peter R. Rose
Rocky Mountain Association of Geologists
..., Cuchara, Huerfano, and Farasita formations) consist of highly variable, terrigenous clastics that were deposited during the culmination of the Laramide...
1985
Developments in Alaska in 1949
Ralph L. Miller
AAPG Bulletin
.... Near-surface permafrost velocities as high as 13,500 feet per second were recorded, although the average vertical permafrost velocity was found...
1950
Turbidite Origin of Glaciolacustrine Sediments, Woodcock Lake, Pennsylvania
Samuel S. Harrison
Journal of Sedimentary Research (SEPM)
... on scale are one mm. End_Page 739------------------------ overflow regimes (Harms and Fahnestock, 1965). A current velocity exceeding 20 cm/sec would...
1975
Shale Tectonics: A Preface
Lesli J. Wood
AAPG Special Volumes
..., such as compressive tectonics, or rapid loading, will affect this balance and may initiate movement. Undeniably, the most influential variable...
2010
2.0 Abnormal Pore Fluid Pressures: Definition, Terminology, Observations
P. E. Gretener
AAPG Special Volumes
... been termed normal. This range is accepted in view of the variable density of formation waters AND the limited accuracy of pressure measurements which...
1981
Abstract: Elastic Full Waveform Inversion For Land Walkaway VSP Data; #90224 (2015)
Olga Podgornova, Scott Leaney, Marwan Charara, and Eric von Lunen
Search and Discovery.com
... reflectivity of the target and the limited illumination of the targeted depths due to high-contrast and high-velocity layers in the overburden. 3D VSP data...
2015
Data-Driven Quantitative Reservoir Characterization and New Insights in Pubei Field of Turpan-Hami Basin, Western China, #41857 (2016).
Jianbin Ran, Haiyin Li, Zhengtao Hu, Zhe Zhu, Jia Chen, Xuejun Wang
Search and Discovery.com
...,,,,,,,,,, .. ,,,,, Minor-fault identification Variable velocity modeling and mapping Sandbody interpretation within sequence stratigraphy framework '""" J2q...
2016
Challenges in Pore Pressure Prediction for Unconventional Petroleum Systems, #42018 (2017).
Changrui Gong, Lucia Rodriguez
Search and Discovery.com
.... There are commonly three ways to predict formation pore pressure, seismic methods (inversion of interval velocity derived from stacking velocities...
2017
Surge Propagation in Debris Flows; #51540 (2018)
Paul Allen, Oliver Harlen, Robert Dorrell, Robert Thomas, William McCaffrey
Search and Discovery.com
.... Turbidity Currents -rate Debris Flows -rate Figure 2: Example stress-strain-rate relationships and horizontal velocity profiles for turbidity currents...
2018
Depositional Features of Late Miocene, Marine Cross-Bedded Conglomerates, California
R. Lawrence Phillips
CSPG Special Publications
... as indicated by the orientation of the trough cross-strata are variable but have a strong northeasterly-directed mode. In contrast, the overlying large...
1984
Pressure in Miocene Carbonate Exploration Targets
Stephen Jenkins, Richard Swarbrick, Anthony Mallon, Stephen O'Connor
Indonesian Petroleum Association
... uncertainty in predicting actual reservoir pressures pre-drill. As there is no relationship between effective stress and porosity/velocity in carbonates...
2012
Wave Modeling and Hydrodynamics
J. Ian Collins
Special Publications of SEPM
... sedimentologists however velocity field the of sediments by water has traditionally been studied by two schools of investigators the movement...
1987
Combining seismic reservoir characterization workflows with basin modeling in the deepwater Gulf of Mexico Mississippi Canyon area
Wisam H. AlKawai, Tapan Mukerji, Allegra Hosford Scheirer, and Stephan A. Graham
AAPG Bulletin
.... Corver, G. De, C. Stadtler, and H. K. Helgesen, 2014, Geophysical basin modeling: Generation of high quality velocity and density cubes for seismic...
2018
Methane migration mechanisms for the Green Canyon Block 955 gas hydrate reservoir, northern Gulf of Mexico
Li Wei, Ann Cook, and Kehua You
AAPG Bulletin
... resistivity measurements. (C) The P-wave velocity measurements and x-ray scan of a pressurized core taken from 421 to 424 mbsf at GC 955. Core depth...
2022
Always a White Christmas in the Bahamas: temperature and hydrodynamics localize winter mud production on Great Bahama Bank
Sam J. Purkis, Amanda M. Oehlert, Thomas Dobbelaere, Emmanuel Hanert, Paul Mitch Harris
Journal of Sedimentary Research (SEPM)
... the minimum velocity needed to loft fine-grained sediments is achieved, providing new insight into the resuspension hypothesis for the formation of whitings...
2023
Using delta channel width to estimate paleodischarge in the rock record: geometric scaling and practical sampling criteria
Octria Adi Prasojo, Anna E. van Yperen, Trevor B. Hoey, Amanda Owen, Richard Williams
Journal of Sedimentary Research (SEPM)
... flow-velocity estimate (e.g., the Chézy equation, the Manning equation) multiplied by channel cross-sectional area to derive discharge. In deltas...
2024
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
..., 2005). Some of the geophysical reasons for frequency anomalies are normal moveout stretch, deconvolution and incorrect velocity problems (Barnes...
2008
Breaking Up is Never Easy: The Complexities That Create Opportunities in the Distal Domain
Helen Doran, Gianreto Manatschal
GEO ExPro Magazine
... (Figure 1). The zone between thinned continental and oceanic crust is now widely accepted to be extremely variable and complex in nature along both...
2017
Extended Abstract: The Permian Play Ground: Unlocking the Potential of the Tinowon Sandstone
Barry Smith
Petroleum Exploration Society of Australia (PESA)
... and granitic basement of the shelf areas and consequently lithologies and reservoir development are variable. Clay precipitation and recrystallisation...
2003
Dip or Strike? Complimenting Geophysical Sampling Requirements and Acquisition Efficiency for Towed Streamer Marine Seismic
Martin Bayly, Low Cheng Foo, Michelle Tham, M Nabil El Kady, Saeeda Hydal, Thomas Olanrenwaju Ajewole, Nigel Seymour, Satyabrata Nayak, Bidyut Chowdhury, M Faizal Idris, Sandeep K Chandola, M Iqbal Supardy
Indonesian Petroleum Association
... illumination studies were performed using a 3D earth model built with the interval velocity information and interpreted horizons from the legacy 2D...
2016
Beach Foreshore Sedimentology and Morphology in the Apostle Islands of Northern Wisconsin
Wayne N. Engstrom
Journal of Sedimentary Research (SEPM)
... variable with the appropriate process variable(s). A model of foreshore sedimentology and morphology has been constructed on the basis...
1974
Chapter 104: Slope-channel Complexes at Guadalupe Canyon, Upper Brushy Canyon Formation, Texas, USA
C. Rossen, R. T. Beaubouef
AAPG Special Volumes
.... The channels trend southeast–east, indicating flow toward the basin at a high angle to the basin-margin trend. Channel fills are variable and include...
2007
Biological Remediation of Environmentally Contaminated Water
Ian Lerche, Walter Glaesser, Gerhard Strauch
Environmental Geosciences (DEG)
... is made for the death rate of the biological components and also for their variable growth rates. Numerical examples are provided to illustrate...
2002
Sequence Stratigraphy, Facies Variation and Petrophysical Properties in Deepwater Shales, Upper Cretaceous Lewis Shale, South-Central Wyoming
Almon, William R., Dawson, William C., Sutton, Sally J., Ethridge, Frank G., Castelblanco, Bellatrix
GCAGS Transactions
... the better sealing microfacies. Petrophysical properties, including high bulk density, shear velocity, Young's modulus and shear modulus, distinguish...
2002