The Moeraki Boulders--Anatomy of Some Septarian Concretions

J. R. Boles, C. A. Landis, P. Dale

Journal of Sedimentary Research (SEPM)

... (Fig. 3). Concretions 1 and 3 occur at the Moeraki boulders locality (Fig. 1). X-RAY ANALYSIS AND PETROGRAPHY X-ray-diffraction analysis indicates...

Rapid Determination of Calcite-Dolomite Ratios in Sedimentary Rocks: NOTES

J. N. Weber, F. G. Smith

Journal of Sedimentary Research (SEPM)

...------- X-ray diffraction techniques permit rapid measurement of calcite-dolomite ratios in sedimentary rocks with a standard deviation of 1.3 percent...

A Comparison of Two Methods of Quantitative Mineralogical Analysis of Sedimentary Rocks: NOTES

M. J. Kaye , A. C. Dunham , D. M. Hirst

Journal of Sedimentary Research (SEPM)

... No. 2. (June), An attempt is made to assess the relative merits of quantitative X-ray diffraction analyses and optical modal analyses of sedimentary...

High-Alumina Glaucony from the Middle Cambrian of Oland and Bornholm, Southern Baltoscandia

Vivianne Berg-Madsen

Journal of Sedimentary Research (SEPM)

... glaucoliths. This was especially apparent in sample C (Kalby Member), and this sample was therefore subjected to ultrasonic treatment before X-ray diffraction...

Impact of Pore Pressure on Modeled Hydraulic Fracture Geometry and Well Spacing in the East Duvernay Shale Basin, Canada

Farhan Alimahomed, Eric Wigger, Matthew Drouillard, Gabriel Garcia Rosas, Christen Kolbeck

Unconventional Resources Technology Conference (URTEC)

... including triple combo and combinable magnetic resonance, and core data including Dean-Starks, total organic carbon (TOC), X-ray diffraction (XRD...

Streamlining Log Calibration Workflows by Incorporation of Continuous, Digital Mineralogy Data, #42198 (2018).

Jenny Omma, Adam K. Moss, Gavin Hunt, Richard A. Williams, Mar Cortes Lopez

Search and Discovery.com

... parameters and reduces model uncertainty. Standard mineralogical techniques including sedimentological core logging, optical petrography and X-ray...

Effects of Texture and Composition on Mechanical Behavior of Experimentally Deformed Carbonate Rocks

R. H. H. Hugman, III , Melvin Friedman

AAPG Bulletin

... that affects ultimate strength in low-porosity carbonate rocks. Systematic increases in total dolomite content (determined by X-ray diffraction) do...

Geologic Excursions in Southwestern California

George Dunne, John Cooper

Pacific Section SEPM

... Portuguese tuff. (Conrad and Ehlig, 1982). X-ray diffraction analysis indicates that the clay fraction of the bentonite consists primarily...

High-resolution ultrasonic measurements as proxies to resolve clastic reservoir heterogeneity in a salt-cemented gas reservoir

Claudio Miro Filomena, Harald Stollhofen, Kees van Ojik

AAPG Bulletin

..., Some aspects of elastic wave propagation in fluid-saturated porous solids: Geophysics, v. 26, p. 169181, doi:10.1190/1.1438855.Geluk, M., 2005...

The Three Forks playa lake depositional model: Implications for characterization and development of an unconventional carbonate play

Beatriz Garcia-Fresca, Daniel Pinkston, Robert G. Loucks, and Richard LeFever

AAPG Bulletin

... microscope (SEM), x-ray diffraction (XRD), petrophysical core measurements, and geochemical data. Sedimentological, stratigraphic, and diagenetic observations...

Glauconitic Sediments on the Continental Shelf off Vancouver Island, British Columbia, Canada

Brian D. Bornhold, Pierre Giresse

Journal of Sedimentary Research (SEPM)

..., glauconitic grains of various types were hand-picked for X-ray diffraction analysis using a CGR Theta 60 X-ray diffractometer with Co K radiation at 35...

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)

.... The purpose of the present research is to better understand the role of organic matter in radar-wave propagation and reflection under variable...

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... will subsequently move this stacked data to its true position and so collapse diffraction energy to its apex. DMO theory as originally conceived...

Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5

John H. Doveton

AAPG Special Volumes

... is dominated by the zero harmonic. This harmonic represents a wave with an infinite period, and so is a constant value positioned at the mean gamma-ray...

"Glauconite" Pellets: Their Mineral Nature and Applications to Stratigraphic Interpretations

John F. Burst

AAPG Bulletin

... for decades as "glauconites." He also recognized that X-ray diffraction, at that time a new tool in the field of clay mineral analysis, may be used...

Modern Marine 3D Seismic Acquisition - Technical Considerations

Chris Walker

Petroleum Exploration Society of Australia (PESA)

... resulted in surveys being acquired with crossline CMP separations that do not allow the full bandwidth of diffraction events to be recorded...

Facies Analysis in Petroelastic Modeling, #40831 (2011)

Ludmila Uspenskaya, Georgy Kalmykov

Search and Discovery.com

... and fluid substitution. We used the Xu and White (1996) relation for P-wave and Swave velocities modeling in shaly sandstones. Fluid properties were...

Mineralogical Estimation of Organic Rich Mudrocks From Well Logs Using Neural Networks: Overcoming Training Dataset Size Limitation by Integrating X-ray Fluorescence Elemental Data

Search and Discovery.com

Parent Source Material of Calcium Bentonite in Smith County, Mississippi; #50828 (2013)

Kayla Calhoun, Darrel Schmitz, Brenda Kirkland, and James May

Search and Discovery.com

.... Core samples were drilled from the Chisholm bentonite mine near Raleigh in Smith County. Samples studied by X-ray diffraction (XRD), scanning electron...

Brittleness modeling selects optimum stimulation zone in shaly source rocks in the Whangai Formation, New Zealand

Claudio Rabe, Raul Correa Rechden Filho, Jesus Pastor Salazar, Fernando Della Pasqua, Giovanni Chaves Stael, and Luiz Antonio Pierantoni Gamboa

AAPG Bulletin

... is usually obtained from laboratory analysis of rock samples using x-ray diffraction. In this study, XRF was used to characterize the chemical...

ABSTRACT: Analysis of a Valmeyeran (Middle Mississippian) Aux Vases Sandstone Reservoir, by Beverly Seyler; #91023 (1989)

Search and Discovery.com

Abstract: X-Ray Eyes: How Field Based XRD is Changing Mud Logging and Improving What Is Known about Unconventional Plays; #90228 (2015)

R. Dawn Snyder

Search and Discovery.com

... plays using X-rays improves what is currently observed in the logs of drilled formations. X-ray Diffraction (XRD) as a tool for geological studies...

Stratigraphy and Depositional Setting of the Carrington Shale Facies (Mississippian) of the Williston Basin

PETER F. BJORLIE, SIDNEY B. ANDERSON

Montana Geological Society

.... Results of X-ray diffraction analysis of core samples of the Carrington shale show that illite is the dominant mineral in the shale...

Petrophysical Interpretation and Reservoir Characterisation on Proterozoic Shales in National Drilling Initiative Carrara I, Northern Territory

Liuqi Wang, Adam H. E. Bailey, Emmanuelle Grosjean, Chris Carson, Lidena K. Carr, Grace Butcher, Christopher J. Boreham, Dave Dewhurst, Lionel Esteban, Chris Southby, Paul A. Henson

Australian Petroleum Production & Exploration Association (APPEA) Journal

... tested for mineral compositions with quantitative X-ray diffraction (QXRD) techniques, and 18 mineral groups were identified in NDI Carrara 1 (Carson...

ABSTRACT: Identification of Coal Char and Coke Fines Proportion in the Off Gas Blast Furnace Dust by X-Ray Diffraction

André da S. Machado, Antônio C. F. Vilela, Eduardo Osório

The Society for Organic Petrology (TSOP)

...ABSTRACT: Identification of Coal Char and Coke Fines Proportion in the Off Gas Blast Furnace Dust by X-Ray Diffraction André da S. Machado, Antônio C...