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The AAPG/Datapages Combined Publications Database
Showing 6,038 Results. Searched 200,357 documents.
Research and application of diffraction imaging based on the full-azimuth angle migration
Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
...Research and application of diffraction imaging based on the full-azimuth angle migration Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang...
2024
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)
... to the bulk properties including the pore fluids, cannot be estimated through surface wave analysis. VP and VS derived from traveltime inversions were used...
2024
Resolution limits of fluid overpressures from mineralogy, porosity, and sonic velocity variations in North Sea mudrocks
Christian Hermanrud, and Oddgeir Undertun
AAPG Bulletin
...)where φ is porosity, Cp is a correction factor, Δt is sonic traveltime (μs/ft), Δtfl is fluid transit time (189 μs/ft), and Δtma is the matrix...
2019
Clay Minerals from the Ventura Basin, California
William Quaide
Journal of Sedimentary Research (SEPM)
... after deposition. JOHNS, W. D., GRIM, R. E., AND BRADLEY, W. F., 1954, Quantitative estimations of clay minerals by diffraction methods: Jour...
1957
Structure of Albertite from New Brunswick, Canada
Ganjavar Khavari-Khorasani
CSPG Bulletin
...Structure of Albertite from New Brunswick, Canada Ganjavar Khavari-Khorasani 1983 123 126 Vol. 31 (1983) No. 2. (June) Optical and X-ray diffraction...
1983
Seismic Diffraction Imaging of Lithology in Fault Zones and Hydrocarbon Sweet Spots within the Maverick Basin, South Texas
Osareni Ogiesoba, Alexander Klokov
Unconventional Resources Technology Conference (URTEC)
...Seismic Diffraction Imaging of Lithology in Fault Zones and Hydrocarbon Sweet Spots within the Maverick Basin, South Texas Osareni Ogiesoba...
2016
Abstract: High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs; #90244 (2016)
Alexander Popovici, Ioan Sturzu, Tijmen Jan Moser
Search and Discovery.com
...Abstract: High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs; #90244 (2016) Alexander Popovici, Ioan...
2016
A Technique for the Magnetic Separation of Silt-sized Sediments: RESEARCH-METHOD PAPER
P.J. Mulhern, G. W. Berger, D. J. Huntley
Journal of Sedimentary Research (SEPM)
... of the separation were obtained in two ways, by thermoluminescence glow curves and by X-ray powder diffraction patterns. We observed a difference...
1981
Mineralogic and Chemical Composition of Ireton and Duvernay Formations, Central Alberta
F. A. Campbell,, T. A. Oliver
CSPG Bulletin
... and the optimum use of X-ray diffraction as a field tool is the construction of calibration curves that will truly represent the relationship of peak height...
1968
ABSTRACT: Quantitative Inorganic Profiling Of Coal Seams Using Core-Scanning X-Ray Fluorescence And Radiographic Techniques
S. Kelloway, C. Ward, C. Marjo, I. Wainwright, D. Cohen
The Society for Organic Petrology (TSOP)
... segment. Calibration curves were prepared for key major elements (Al, Si, P, S, K, Ca, Ti and Fe) based on pressed pellets of independently-analysed...
2014
Abstract: High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs; #90255 (2017)
Alexander Popovici, Ioan Sturzu, Tijmen Jan Moser
Search and Discovery.com
...Abstract: High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs; #90255 (2017) Alexander Popovici, Ioan...
2017
Abstract: Diffraction Imaging: An Example from Saudi Arabia; #90319 (2018)
Salah Alhadab
Search and Discovery.com
...Abstract: Diffraction Imaging: An Example from Saudi Arabia; #90319 (2018) Salah Alhadab AAPG Datapages/Search and Discovery Article #90319 ©2018 GEO...
2018
Fracture Detection Through MultiFocusing Diffraction Imaging, Case Studies
Marianne Rauch-Davies, Danil Pelman, Kostya Deev
Unconventional Resources Technology Conference (URTEC)
...Fracture Detection Through MultiFocusing Diffraction Imaging, Case Studies Marianne Rauch-Davies, Danil Pelman, Kostya Deev URTeC: 1922003 Fracture...
2014
Ferro-Magnesian Calcite Cement in Sandstones
A. Jack Nash, Edward D. Pittman
Journal of Sedimentary Research (SEPM)
... of iron to substitute for magnesium in the calcite lattice, what appears to be high magnesian calcite, based on X-ray diffraction techniques, actually may...
1975
Diagenetic and Seismic Concerns Associated with Interpretation of Deeply Buried Mobile Shales
R. J. Day-Stirrat, A. McDonnell, L. J. Wood
AAPG Special Volumes
.... Butler, 1985, Compaction curves: AAPG Bulletin, v. 69, p. 622626.Battaglia, S., L. Leoni, and F. Sartori, 2004, The Kubler index in late diagenetic to low...
2010
Determination of Calcite, Dolomite, Quartz and Clay Content of Carbonate Rocks
Frank E. Diebold, John Lemish, Carl L. Hiltrop
Journal of Sedimentary Research (SEPM)
..., determines the relative percent of the carbonate fraction that is calcite and dolomite by measuring the intensity ratios of the largest diffraction maxima...
1963
3.4 Detached Sediments: 3.4.2 Decollement Tectonics (B-Subduction) and Active Margins: Compressional Features Across the Caribbean Margin of Colombia
J. W. Ladd and M. Truchan
AAPG Special Volumes
... subduction zone complexes. The setting and internal structure of the deformed toe with the numerous diffraction hyperbolae suggesting landward dipping...
1983
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... traveltime approximation for PSTM that includes the time from the source to the scatter point plus the time from the scatter point to the receiver...
2014
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
... Corrections RMS velocity is used to define space-time (x,t) normal moveout curves along which reflection energy can be constructively stacked onto...
1991
Use of Computers to Perform Old Log Analysis
Damian G. Barrett
West Texas Geological Society
... tasks. For old fields, log curves usually need to be digitized and then loaded into the database, It is best if one person (preferably a technical aide...
1995
Clay Minerals of the Neuse River Estuary
George M. Griffin, Roy L. Ingram
Journal of Sedimentary Research (SEPM)
... Estuary bottom samples were analyzed by X-ray diffraction techniques to determine the clay mineral content and to note any diagenetic changes in the clays...
1955
Abstract: The Effect of Machine Grinding to the X-ray Diffraction Pattern of Clay Size Particles, by Hitoshi Banno; #90087 (2009).
Search and Discovery.com
2009
Modelo de Velocidades de Intervalo en Profundidad a partir de la Función de Difracción: Aplicación a Datos Reales [PAPER IN SPANISH] Depth Interval Velocity Model from a Diffraction Function: Application to Real Data
C. A. Ortega Galvis, L. A. Montes Vides
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... gathers and zero offset sections. The diffraction function is estimated from the traveltime function allowing to calculate the interval velocity through...
2004
Errors in X-ray Analysis of Carbonates Due to Solid-solution Variation in Composition of Component Minerals
Donald D. Runnells
Journal of Sedimentary Research (SEPM)
.... (December), Determination by X-ray diffraction of the relative proportions of component minerals in sediments and rocks involves comparison...
1970
High Resolution Azimuthal Diffraction Imaging of Natural Fracture Zones in Unconventional Shales
Search and Discovery.com
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