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The AAPG/Datapages Combined Publications Database
Showing 18,793 Results. Searched 200,619 documents.
The Utility of Isolated Crinoid Ossicles and Fragmentary Crinoid Remains in Taphonomic and Paleoenvironmental Analysis: An Example from the Upper Pennsylvanian of Oklahoma, United States
James R. Thomka, Daniel Mosher, Ronald D. Lewis, Roger K. Pabian
PALAIOS
... during this phase of research, skeletal material less than 3 mm was not. Therefore, any small radial plates or very immature individuals were lost...
2012
Basin Filling Sequences in Active Margin Basins Determined by Seismic Stratigraphic Methods
T. R. Nardin, D. S. Gorsline
Pacific Section SEPM
... falls and lowstands, the thicknesses of the basin plain sediment represented by the fall-lowstand phase of a cycle is nearly the same...
1981
Bedform Disequilibrium
Paul M. Myrow, Douglas J. Jerolmack, J. Taylor Perron
Journal of Sedimentary Research (SEPM)
... of bedform hierarchies: Sedimentology, v. 10, p. 161–182. Allen, J.R.L., 1973, Phase differences between bed configuration and flow in natural environments...
2018
Assessment of Natural Gas from Coalbeds by Geologic Characterization and Production Evaluation
Raoul Choate, John P. McCord, Craig T. Rightmire
AAPG Special Volumes
...) (Table 1). These early estimates of the potential magnitude of the coalbed methane resource generally considered only the estimated coal resource...
1986
Stratigraphy of Lake Deposits in Central and Northern Minnesota
Frederick M. Swain
AAPG Bulletin
... of phase with the shallower part of the wave. A second wave, or internal standing wave, will form (Figs. 24b, c) with the period: [EQUATION] where...
1956
An Improved Method for GOR Forecasting in Unconventionals
Hardikkumar Zalavadia, Utkarsh Sinha, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
... towards identifying oil recovery as oil is a primary phase for most shale oil wells and they carry the maximum value. However, as the shale plays get more...
2022
Thermo-Chronological Approach to Reservoir Diagenesis in the Offshore Angola Basin: a Fluid Inclusion, {40}Ar-{39}Ar and K-Ar Investigation (1)
F. WALGENWITZ , M. PAGEL , A. MEYER , H. MALUSKI , and P. MONIE
AAPG Bulletin
... of hydrocarbon as a separate phase from source rocks (Visser, 1982); (4) relation between fracturing and fluid movement (Currie and Nwachukwu, 1974); (5...
1990
A Coupled Pore-Scale Modelling Approach to Capture Macro-Scale Stress-Dependent Permeability of Rocks
Keivan Khaleghi, Stephen Talman, Alireza Rangriz Shokri, Bauyrzhan K. Primkulov, Abel S. Juncal, Rick J. Chalaturnyk
Unconventional Resources Technology Conference (URTEC)
... the magnitude of absolute permeability. This overestimation is attributed to the presence of large pore bodies in the network that seem...
2019
Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas
William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith
Special Publications of SEPM
... with crosswell seismic data, the resolution is more than an order of magnitude better than we can get with surface seismic data. We apply a seismic...
1995
New Methods of Mining and Refining Gilsonite
George R. Kilborn
Utah Geological Association
... spectrum of final products derived from this solid organic material. During the past seven years, the American Gilsonite Company has successfully...
1964
Investigation of The Microstructure of Shales in The Oil Window
Mark E. Curtis, Carl H. Sondergeld, Chandra S. Rai
Unconventional Resources Technology Conference (URTEC)
... of magnitude smaller than pores in conventional reservoirs. This requires technologies such as electron microscopy to probe them and 3D FIB-SEM tomography...
2013
Enhancing Reservoir Imaging and Monitoring Using Crosswell Seismic
Sanjeev Dogra, Ajay Nalonnil, Bruce Marion
Indonesian Petroleum Association
... vertical resolution imaging of the reservoir layers of up to an order of magnitude better resolution than surface seismic data. Both direct arrival...
2010
Critical Water Estimates for Gulf Coast Sands
Raymond J. Granberry , Dare K. Keelan
GCAGS Transactions
... capacity, and (4) high irreducible water with reduced formation resistivity in hydrocarbon productive zones. At the other end of the spectrum...
1977
Enabling grassroots digital transformation with a Python-Excel ML toolkit
Andrew C. Silver
International Meeting for Applied Geoscience and Energy (IMAGE)
... and bars to help users visualize magnitude differences. Cross-plots of eigenvalues (C, D, and E) aid users in visualizing potential sources...
2023
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
... are a magnitude stronger than the primaries. Key words: Shallow water de-multiple, 3D curvelet subtraction, deghosting, hybrid Tomo-FWI, Least-squares Q...
2019
Chapter 8. U.S.S.R.: Planetary Fracturing: Its Manifestations in the Sections of the Sedimentary Cover and its Role in the Formation of Tectonic Structure and Relief - with Reference to South Turkmenia
V. P. Miroshnichenko
Utah Geological Association
... elongated into one or another direction, depending on the magnitude of fracture density. The notion of planetary jointings is not synonymous...
1974
Memorial: Bruce Terrill Pearson (1924-1990)
Grover E. Murray, Sally M. Murray
AAPG Non-Technical and Memorials
... inspired by his surroundings, the geologist cannot help being impressed by the magnitude of the accomplishments of those members of his profession who...
1991
Automated machine learning first-break picking in the Sichuan Basin A case study
Jianfa Wu, Xuewen Shi, Qiyong Gou, Ersi Xu, Dongjun Zhang, Dingxue Wang, Phil Bilsby, Qing Zhou, Rong Li
International Meeting for Applied Geoscience and Energy (IMAGE)
...) to ensure that the resulting trained ML models can accurately predict the first-break picks on the full spectrum of data variability. 2.Training labels...
2024
Borehole Imaging Applications Examples from the Permian Basin
Lee Sanders, Kevan Fuchs
West Texas Geological Society
... represent the light end of the color spectrum. The high porosity, permeable, and low resistivity events are scaled as the darker colors. Figure 1...
1996
The Magnetic Polarity Time Scale: Prospects and Possibilities in Magnetostratigraphy
M. W. McElhinny
AAPG Special Volumes
... and relative magnitude of paleosecular variation in the Phanerozoic: Earth-Sci. Rev., v. 12, p. 35-64. Khramov, A. N., 1974, Paleozoic paleomagnetism...
1978
Ecostratigraphy
A. J. Boucot
AAPG Special Volumes
...; genera indicated by letters A, B, C, D...). The "Time" interval indicated is of the order of magnitude of five to twenty million years for the average...
1984
Status of Coal Exploration and Mine Development in Australia: Coal
E. N. Milligan
AAPG Special Volumes
... range and none are of the high rank of prime American coking coals. Bowen basin coals cover the complete spectrum of coking coals except fo high...
1976
Some Economics of Academics
Grover E. Murray
AAPG Bulletin
... and to develop fully the total academic spectrum of the complex, so I shall address the remainder of my remarks to the thesis that well-trained...
1969
Relationship Between Eustatic Sea Level Changes and Basement Subsidence
T. M. Guidish , I. Lerche , C. G. St. C. Kendall , J. J. O'Brien
AAPG Bulletin
.... This would cause a high sea level. It has been suggested by Pitman (1978) that the magnitude of eustatic sea level changes caused by this general effect can...
1984
ABSTRACT: Tracking Seep Oil from Seabed to Sea Surface and Beyond at Coal Oil Point, California; #90013 (2003)
Ira Leifer, Bruce, Luyendyk, Kris Broderick
Search and Discovery.com
... buoyancy, bubbles rise orders of magnitude faster than oil droplets. Therefore bubble-mediated oil transport is markedly more rapid than unaided oil droplet...
2003