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The AAPG/Datapages Combined Publications Database
Showing 6,046 Results. Searched 200,691 documents.
ABSTRACT Geological Characterization of Lower Cretaceous Pine Island Shales as a Potential Resource Play in the Maverick Basin South Texas: An Update, #90104 (2010)
Hackley Paul
Search and Discovery.com
... of the northern Gulf of Mexico. Porosity‐permeability measurements, X‐ray diffraction mineralogy, and thin section evaluation were used to characterize core...
2010
Abstract: Insights into the Crystal Chemistry of Platinum-Group Minerals: Issues facing development of a PGM Classification Hierarchy; #90172 (2014)
Andrew M. McDonald
Search and Discovery.com
... to: a. liberate and concentrate PGM (EPD, HS), b. elucidate crystal-structure features (Raman spectroscopy, EBSD, advanced powder diffraction) and c. determine...
2014
Abstract: The Control of Starting Rock Composition on Diagenetic Processes in Fine-grained Mudstones: an Example from the Middle and Upper Devonian Horn River Shale, Western Canada Sedimentary Basin; #90283 (2016)
Tian Dong, Nicholas B. Harris, Korhan Ayranci
Search and Discovery.com
... TOC combustion, Rock-Eval pyrolysis, X-Ray Diffraction, ICP-MS analysis, thin section and scanning electron microscope (SEM) analysis. Minerals...
2016
Geochemical Modeling of Iron (Hydr)oxide Scale Formation During Hydraulic Fracturing Operations
Qingyun Li, Adam D. Jew, David Cercone, John R. Bargar, Gordon E. Brown Jr., Katharine Maher
Unconventional Resources Technology Conference (URTEC)
... in the experiments. Several minerals commonly found in shale but not detected using X-ray diffraction (XRD) in our experiments were also included in the model...
2019
Machine Learning for Estimating Rock Mechanical Properties beyond Traditional Considerations
Yiwen Gong, Mohamed Mehana, Ilham El-Monier, Feng Xu, Fengyang Xiong,
Unconventional Resources Technology Conference (URTEC)
... and permeability variations in the shale rock (Xiong et al., 2019); hence it is employed as a group of the most important datasets. X-Ray diffraction...
2019
Comparison of gas, Klinkenberg, and liquid permeability of sandstone: Flow regime and pore size
Tobias Orlander, Harald Milsch, and Ida Lykke Fabricius
AAPG Bulletin
... , and the cumulated permeability k NMR,cum is defined as the summation of individual permeability increments (k NMR,i ) from the smallest pore size...
2021
Mineralogy of Bottom Sediments, Hudson Bay, Canada
P. Bayliss, A. A. Levinson, J. E. Klovan
CSPG Bulletin
... samples from 450 stations in Hudson Bay were studied by X-ray diffraction powder methods. The clay minerals are chiefly illite and kaolinite with smaller...
1970
A Quantitative X-Ray Diffraction Technique Applied to Fine-Grained Sediments of the Deep Gulf of Mexico
S. B. Devine , R. E. Ferrell, Jr., G. K. Billings
Journal of Sedimentary Research (SEPM)
...A Quantitative X-Ray Diffraction Technique Applied to Fine-Grained Sediments of the Deep Gulf of Mexico S. B. Devine , R. E. Ferrell, Jr., G. K...
1972
Reservoir Characterization and Estimation of Remaining Oil Saturation using NMR logs for Optimizing a CO2 Flood: A Pilot Study
Sandeep Ramakrishna, Eric Murphy, Ron Balliet, Lonnie Sullivan, Kathleen Barclay, Raymond Schutte
West Texas Geological Society
..., permeability, and remaining oil saturations. The log data were compared and calibrated with X-ray diffraction (XRD), Specialized Core Analysis (SCAL...
2011
Modernizing Petrophysical Interpretation in Unconventional Reservoirs by Integrating Advanced Well Logs and Core Analysis in High-Definition Wells
Haijing Wang, Luisa Crousse, Sergio Cuervo, Ronald Brown, Andrew Tipton, Tim Fischer, Michael Cheshire, Mason Edwards, Aygul Kostinovsky, Ezequiel Lombardo, Esteban Rives, Ricardo Freitas, Ali Wushur
Unconventional Resources Technology Conference (URTEC)
...), homogenized splits for mineral and organic matter characterization as to maintain internal consistency. Quantitative x-ray diffraction (QXRD) data...
2025
Diagenesis and Evolution of Secondary Porosity in Upper Minnelusa Sandstones, Powder River Basin, Wyoming: Part 3. Applications in Exploraton and Production
John C. Markert, Zuhair Al-Shaieb
AAPG Special Volumes
... of the Upper Minnelusa were collected according to a stratified random sampling plan and analyzed by semi-quantitative X-ray diffraction techniques. Clay...
1984
Geologic Considerations for Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data
L. D. Meckel Jr. , A. K. Nath
AAPG Special Volumes
... are not responses from specific points of subsurface acoustic boundaries but are a summation of responses from an area surrounding the geometrically...
1977
Fluid-Release Mechanisms in Compacting Marine Mudrocks and Their Importance in Oil Exploration
Maurice C. Powers
AAPG Bulletin
... diffraction studies of the swelling of montmorillonite and vermiculite, in Clays and Clay Minerals, v. 12: New York, The Macmillan Co., p. 123-149. Powers...
1967
Permeability and acoustic velocity controlling factors determined from x-ray tomography images of carbonate rocks
Nathaly L. Archilha, Roseane M. Missagia, Cathy Hollis, Marco A. R. de Ceia, Samuel A. McDonald, Irineu A. Lima Neto, David S. Eastwood, and Peter Lee
AAPG Bulletin
... the rocks and for further correlation with pore diameter. X-Ray Diffraction and Rietveld Method X-ray diffraction (XRD) analysis...
2016
Classification of elemental chemofacies as indicators of cement diagenesis in mudrocks of the Permian Spraberry Formation and Wolfcamp formation, western Texas
Autumn L. Eakin, Julia S. Reece, Kitty L. Milliken, Robert Locklair, and Andrew P. Rathbun
AAPG Bulletin
... for hydraulic fracturing. The x-ray fluorescence (XRF) spectroscopy and x-ray diffraction (XRD) analyses were conducted on mudrocks from the Permian Wolfcamp...
2023
The Three Elements of Structural Geology, #41849 (2017).
Terry Engelder
Search and Discovery.com
... is also known as a torque t which is a vector quantity. Einstein Summation using Heat flow, q (cal cm-2 sec-1), in homogeneous, isotropic rock...
2017
Silicates: Zeolites
Joann E. Welton
AAPG Special Volumes
..., and Na, with a minor amount of Fe and Cl. Identification of these crystals is based on comparison of crystal morphology, X-ray diffraction (XRD), and EDX...
1984
Clay Minerals in Illinois Coals
Harold J. Gluskoter
Journal of Sedimentary Research (SEPM)
..., 49 p. JOHNS, W. D., GRIM, R. E., AND BRADLEY, W. F., 1954, Quantitative estimation of clay minerals by diffraction methods: Jour. Sedimentary...
1967
Feldspars of the Tunnel City Group (Cambrian), Western Wisconsin
N. K. Stablein III , E. C. Dapples
Journal of Sedimentary Research (SEPM)
...; Hiatt, 1969; Kramer, 1970; Odom et al., 1970). Characteristics of the Feldspar Overgrowths Crystal Form.--Overgrowths shown by X-ray diffraction...
1977
Magnesium Distribution in living and Fossil Specimens of the Echinoid Peronella Lesueuri Agassiz, Shark Bay, Western Australia
Roger W. Macqueen, Edward D. Ghent, Graham R. Davies
Journal of Sedimentary Research (SEPM)
... microprobe spot analyses indicate an average content of 12.8-13.2 mole % MgCO3. Although this average agrees with X-ray diffraction and atomic absorption...
1974
Examining Hydrated Minerals Using Optically Stimulated X-Ray Diffraction, an Inexpensive Modification of Traditional Diffractometers: RESEARCH METHODS PAPERS
Javier Garcia-Guinea , Rafael Abella , Sergio Sanchez-Moral , Raul Benito , Daniel Martin-Ramos
Journal of Sedimentary Research (SEPM)
...Examining Hydrated Minerals Using Optically Stimulated X-Ray Diffraction, an Inexpensive Modification of Traditional Diffractometers: RESEARCH...
2000
Magnesium in 19 Species of Eastern Canadian Holocene Foraminifera
Kenneth Hooper
Atlantic Geology
... are absent. Chave (1954) used the X-ray diffraction method in a study of magnesium in the calcitic shells of marine organisms. Because the method detects...
1978
Semiquantitative Estimation of Carbonates in Holocene Siliciclastic Sequences of the Mississippi Delta
Alan M. Bailey, H. H. Roberts, S. Pal
GCAGS Transactions
.... Methods utilized include: chemical extractions, use of high-resolution X-ray radiographs, and X-ray diffraction. Chemicalextractions involve...
2003
An X-ray Technique for Distinguishing Between Detrital and Secondary Quartz in the Fine-grained Fraction of Sedimentary Rocks
Eric V. Eslinger , Lawrence M. Mayer , Thomas L. Durst, John Hower, Samuel M. Savin
Journal of Sedimentary Research (SEPM)
... or authigenic quartz on the basis of the relative intensities of the X-ray diffraction peaks from the (100) and (101) crystallographic planes...
1973
Effect of Mica on Particle-Size Analyses Using the Laser Diffraction Technique: RESEARCH METHODS PAPERS
Shaun Hayton , Campbell S. Nelson , Brian D. Ricketts , Steve Cooke , Maurice W. Wedd
Journal of Sedimentary Research (SEPM)
...Effect of Mica on Particle-Size Analyses Using the Laser Diffraction Technique: RESEARCH METHODS PAPERS Shaun Hayton , Campbell S. Nelson , Brian D...
2001