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The AAPG/Datapages Combined Publications Database
Showing 6,051 Results. Searched 200,625 documents.
Particle Size Measurement of Diatoms with Inference of Their Properties: Comparison of Three Techniques
Robert S. Pugh, I. Nick McCave
Journal of Sedimentary Research (SEPM)
... based on settling velocity (Sedigraph), electrical resistance pulse counting (Coulter counter), and laser diffraction (Malvern laser sizer...
2011
Drilling Mud Contamination of Samples in X-Ray Diffraction and Atomic Absorption Analyses: GEOLOGIC NOTES
Henning Dypvik
AAPG Bulletin
...Drilling Mud Contamination of Samples in X-Ray Diffraction and Atomic Absorption Analyses: GEOLOGIC NOTES Henning Dypvik 1981 744 748 65 4. (April...
1981
Quantifying Shale Porosity—A Thermodynamically Based, Predictive Model Which Includes the Effects of Mechanical Compaction, Temperature, Mineralogy, and Chemical Diagenesis
James T. Krushin
GCAGS Transactions
..., Adsorption of water vapor by montmorillonite. II. Effect of exchangeable ions and lattice swelling as measured by X-ray diffraction: Journal of the American...
2005
Fracture Basement Imaging, Identification, and Characterization Through Separated Wave Field Processing Strategies - A Case Study From Offshore Indonesia
Riaz Alai, Afiq Mokhtar, Yonghe Guo, Hendra Iriansyah Darmawan, M Hilman B Roslan
Indonesian Petroleum Association
... to image the separated wave fields of specular reflections and diffraction energy. Imaging diffraction energy provides accurate imaging of faults...
2022
Influence of Organic Matter in Soils on Radar-Wave Reflection: Sedimentological Implications
Remke L. van Dam,, Elmer H. van den Berg, Sytze van Heteren, C. Kasse, Jeroen A.M. Kenter, Koos Groen
Journal of Sedimentary Research (SEPM)
.... Moisture-retention curves show a complex relationship between suction potential (pF) and volumetric water content (). As a result of their uniform pore...
2002
An Oxygen Isotope Study of Illite and Calcite in Three Appalachian Paleozoic Vertic Paleosols
Claudia I. Mora , Brian T. Sheldon , W. Crawford Elliott , Steven G. Driese
Journal of Sedimentary Research (SEPM)
.... 753-778. MOORE, D.M., AND REYNOLDS, R.C., 1989, X-ray Diffraction and the Analysis of Clay Minerals: New York, Oxford University Press, 332 p. MORA, C.I....
1998
Role of Pressure in Smectite Dehydration--Effects on Geopressure and Smectite-to-Illite Transformation
Virginia A. Colten-Bradley
AAPG Bulletin
... neutron diffraction experiments: Clays and Clay Minerals, v. 28, p. 19-28. Helgeson, H. C., and D. H. Kirkham, 1974, Theoretical prediction...
1987
A Heavy-Oil Case Study on a Single Well in Venezuela, MFM-7S, Using Cores and Logs: Section IV. Exploration Methods
R. Everett, M. Herron, G. Pirie, J. Schweitzer, H. Edmundson
AAPG Special Volumes
...- and macroscopic scales. This section begins with microscope, X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS...
1987
Determination of T2 Cut-Off for Shale Reservoirs: A Case Study from the Carynginia Formation, Perth Basin, Western Australia
M. Nadia Testamanti, Reza Rezaee, Yujie Yuan, Dawei Pan
Australian Petroleum Production & Exploration Association (APPEA) Journal
... oven and their weight monitored until a constant value was reached. T2 curves were subsequently obtained for each of the oven-dried samples and a cut...
2017
Simple X-Ray Diffraction Techniques to Identify Mg Calcite, Dolomite, and Magnesite in Tropical Coralline Algae and Assess Peak Asymmetry
Merinda C. Nash, Bradley N. Opdyke, Zhongwei Wu, Huifang Xu, Janice M. Trafford
Journal of Sedimentary Research (SEPM)
...Simple X-Ray Diffraction Techniques to Identify Mg Calcite, Dolomite, and Magnesite in Tropical Coralline Algae and Assess Peak Asymmetry Merinda C...
2013
Adjustment of Land Derived Clays to the Marine Environment
Maurice C. Powers
Journal of Sedimentary Research (SEPM)
... of a trace amount of chlorite. BRADLEY, W. F., 1953, X-ray diffraction criteria for the characterization of chloritic material in sediments: Second Nat...
1957
Integrated Evaluatrion of Roseneath-Epsilon-Murteree Formations, Cooper Basin, Australia to Develop an Optimal Approach for Sweet Spot Determination
Alexander Klokov, Alexander Repnik, Vitaliy Bochkarev, Anatoly Bochkarev
Unconventional Resources Technology Conference (URTEC)
... subsurface features like small-throw faults, fractures, or local hydrocarbon accumulations. The 3D diffraction image we obtained is validated by comparison...
2017
Recognition criteria for distinguishing between hemipelagic and pelagic mudrocks in the characterization of deep-water reservoir heterogeneity
Jesus Ochoa, Jeannette Wolak, Michael H. Gardner
AAPG Bulletin
... diffraction curves; and volumes of kerogen, clay, quartz, and calcite. Correlation of the mudrock facies described in this article showing an increment...
2013
Determination of static and dynamic characteristics of microscopic pore-throat structure in a tight oil-bearing sandstone formation
Guangfeng Liu, Yaoxing Bai, Daihong Gu, Yang Lu, and Daoyong Yang
AAPG Bulletin
... microscopy and x-ray diffraction techniques. In addition to pore types and clay minerals, the size, fraction, and distribution of grains were identified...
2018
Enhanced depth imaging for subsurface faults, fracture and karst: Application in Malaysian carbonate field
Yasir Bashir, Deva Prasad Ghosh, Seyed Yaser Moussavi Alashloo, Amir Babasafari, Chow Weng Sum
Geological Society of Malaysia (GSM)
... of the techniques continually improve and borrow from each other, so one technique may never dominate to be a constant method. Diffraction imaging (DI) is a novel...
2018
Sedimentary Facies and Petrophysical Characteristics of Cores from the Lower Vicksburg Gas Reservoirs, McAllen Ranch Field, Hidalgo County, Texas
R. P. Langford , J. D. Grigsby , W. E. Howard , J. D. Hall , J. Maguregui
GCAGS Transactions
.... Microresistivity curves from the high-resolution dipmeter log match individual upward-fining sequences within the core. The proximal delta-front deposits...
1990
Role of Clay Diagenesis in Hydrocarbon Accumulation in Shale Reservoirs of Sanand Field, Cambay Basin, Gujarat, India: A Case Study; #20085 (2010)
Kamal K. Das, Bharti Jagtap, J. K. Srivastava, Sanjiv Satyarthi, Neelam Niranjan
Search and Discovery.com
... birefringence and also by using X-ray diffraction and SEM. The kaolinite occurs as very fine to fine grained floating grains in argillaceous and partially...
2010
Identification and Interpretation of Naturally Fractured Reservoirs in North Texas
R. W. Frank, R. B. Simonson
Abilene Geological Society
... curves, varying from hole wash-outs on the caliper to the attenuation of compressional and shear acoustic signals. One of the most pronounced effects...
1983
Palynology as a Tool in Delineating Tropical Lowland Depositional Environments of Late Quaternary Age
R. Hillen
Geological Society of Malaysia (GSM)
... changes in salinity. In all diagrams a selection of individual curves of relevant species is given, expressed as a percentage of the pollensum. The last...
1986
Relationships Among Insoluble Residue, Dolostone and Limestone Facies
David N. Lumsden
Journal of Sedimentary Research (SEPM)
... trend curves using an IBM 7090 or 7094/1401 computer system: Kansas Geol. Survey Spec. Dist. Pub. 12, 24 p. FREEMAN, T., 1972, Sedimentology...
1974
A New Approach to Shale Compaction and Stratigraphic Restoration, Beaufort-Mackenzie Basin and Mackenzie Corridor, Northern Canada (1)
D. R. ISSLER
AAPG Bulletin
... shale compaction curves from different sedimentary basins exist, but it is difficult to make comparisons because of variations in sediment composition...
1992
Real Time Target Optimization and Geosteering Multi-Well Case Study Utilizing Onsite While-Drilling XRD, XRF, and Mass Spectrometry, Niobrara and Codell Formations, DJ Basin
Anne Grau, Robert Sterling, Ryan King, Gbenga Yemidale
Unconventional Resources Technology Conference (URTEC)
..., with samples collected every 100 feet and tested for energy-dispersive X-ray Fluorescence (ED_XRF), bulk X-ray Diffraction (XRD), and HAWK Pyrolysis...
2019
Recent High Magnesian Calcite/Aragonite Cementation of Beach and Submarine Sediments from Denmark
Niels Oluf Jorgensen
Journal of Sedimentary Research (SEPM)
... aragonite and gypsum are distinct and the minerals are easily determined even in small quantities. The diffraction curves obtained from the gypsum...
1976
An Assessment of Analytical Techniques For The Size Analysis of Fine-Grained Sediments
J. K. Singer , J. B. Anderson, M. T. Ledbetter, I. N. McCave, K. P. N. Jones, R. Wright
Journal of Sedimentary Research (SEPM)
...., BRYANT, R. J., COOK, H. F., AND COUGHANOWR, C. A., 1986, Evaluation of a laser diffraction size analyser for use with natural sediments: Jour. Sed...
1988
Weathervaning Characteristics of Tankers Connected to Single Point Moorings
A. T. Brumley, A. E. Potts
Southeast Asia Petroleum Exploration Society (SEAPEX)
... generic curves for determining wave headings relative to the bow for a range of vessel sizes, sea states and directional combinations. Such curves...
1996