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The AAPG/Datapages Combined Publications Database

Showing 5,805 Results. Searched 195,354 documents.

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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...

2015

Abstract: Quantitative Mineralogy and Clay Speciation for Oil & Gas Drilling Using X-ray Diffraction; #90228 (2015)

Randy Shannon and Tom Weyand

Search and Discovery.com

...Abstract: Quantitative Mineralogy and Clay Speciation for Oil & Gas Drilling Using X-ray Diffraction; #90228 (2015) Randy Shannon and Tom Weyand AAPG...

2015

Abstract: Integrated Rock Characterization of Tight Reservoir by Multiple Analytical Techniques; #90254 (2016)

Omprakash Pal, Waseem Abdul Razzaq, Rachad Zeriek, Amr Ibrahim, and Mohamed Awad

Search and Discovery.com

...-ray fluorescence (XRF), Xray diffraction (XRD), and qualitative evaluation of minerals by scanning electronic microscope (QEMSCAN). The XRF...

2016

Abstract: Resolving the Timing of Mineral Growth in Searles Lake, California: A Holocene-Pleistocene Analog to Ancient Saline Alkaline Lakes; #90321 (2018)

Kristian Olson

Search and Discovery.com

... the past 140 kyr. Preliminary X-ray diffraction analysis suggests a diverse assemblage of evaporite minerals, making the new Searles drill core an ideal...

2018

Abstract: Wavepath Imaging for Passive Data; #91204 (2023)

Yicheng Zhou, Sherif Hanafy

Search and Discovery.com

... on seismic event picking, which is not easy in case of noisy data and could be time-consuming, (2) migration techniques such as the diffraction stack...

2023

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... that would be obtained for this survey. Reflectio s occur along a hyperbolic diffraction pattern with the apex at the same CMP location...

1992

Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)

Hassan Khaniani and John C. Bancroft

Search and Discovery.com

... The relationship between reflection and diffraction traveltime surfaces in the shot records is that the response of the scatter points (diffraction curves...

2015

Sandstone Diagenesis in Exploration and Production

William R. Almon

Bulletin of South Texas Geological Society

... diffraction signals except for the basal (OO2) reflections. Even these reflections are weak unless the sample is well oriented. In a bulk sample...

1978

Application of Seismic Multiattribute Analysis for Carbonate Buried Hill Reservoir Characterization

Xuetong Liu, Tongxing Xia, Jiyan Cai, Min Gong

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the strata and has higher prediction accuracy. The fusion attribute of residual diffraction wave and improved ant tracking can reduce...

2023

Preparation of Oriented Clay Mineral Aggregates from Oil-Saturated Sandstones: NOTES

Walter E. Parham, Richard F. Mast

Journal of Sedimentary Research (SEPM)

... diffraction analysis, in Swineford, A., Clays and clay minerals: Natl. Research Council Pub. 456, p. 22-30. MONAGHAN, P. H., SALATHIEL, R. A., AND MORGAN...

1963

Determination of Montmorillonite in Small Samples and Implications for Suspended-matter Studies

Brian E. Tucholke

Journal of Sedimentary Research (SEPM)

... for montmorillonite, illite, kaolinite and chlorite by X-ray diffraction of samples on silver filters. The results indicate that samples with concentrations...

1974

Quantitative Estimations of Clay Minerals by Diffraction Methods

W. D. Johns, R. E. Grim, W. F. Bradley

Journal of Sedimentary Research (SEPM)

...Quantitative Estimations of Clay Minerals by Diffraction Methods W. D. Johns, R. E. Grim, W. F. Bradley 1954 Vol. 24 No. 4. (December), The clay...

1954

Variation in Clay Mineral X-Ray Diffraction Results with the Quantity of Sample Mounted

Per R. Stokke , Bobb Carson

Journal of Sedimentary Research (SEPM)

...Variation in Clay Mineral X-Ray Diffraction Results with the Quantity of Sample Mounted Per R. Stokke , Bobb Carson 1973 Vol. 43 No. 4. (December...

1973

ABSTRACT: QUANTITATIVE X-RAY POWDER DIFFRACTION ANALYSIS OF MINERALS IN GUIZHOU PROVINCE COALS USING RIETVELD METHODS

Dangyu Song, Junying Zhang, Chuguang Zheng

The Society for Organic Petrology (TSOP)

...ABSTRACT: QUANTITATIVE X-RAY POWDER DIFFRACTION ANALYSIS OF MINERALS IN GUIZHOU PROVINCE COALS USING RIETVELD METHODS Dangyu Song, Junying Zhang...

2006

SEM, XRD, CL, and XF Methods: Part 5. Laboratory Methods

J. B. Thomas

AAPG Special Volumes

... grain and pore morphology affect permeability, see the chapter on "Permeability" in Part 5.) X-RAY DIFFRACTION (XRD) The principal advantage of XRD...

1992

ABSTRACT: Study on mineral transformation and PM formation mechanism during high-silicon coal combustion

Yongchun Zhao, Wenju Li, Yang Yan, Junying Zhang, Chuguang Zheng

The Society for Organic Petrology (TSOP)

... studied by X-ray diffraction (XRD) and scanning electronic microscopy with energy dispersive X-ray analysis (FSEM-EDX). The transformation of Si-bearing...

2012

ABSTRACT: Detailed geochemistry of ultra-fine and nano-compounds in coal gasification ashes

M.L.S. Oliveira, C.G. Ramos, C.M.N.L. Cutruneo, J.C. Hower, L.F.O. Silva

The Society for Organic Petrology (TSOP)

... diffraction (XRD), Raman spectroscopy, petrology, field emission scanning electron microscopy (FE-SEM), high-resolution transmission electron microscope (HR...

2013

Electron Micrography of Till Matrix

John B. Droste, George W. White, Albert E. Vatter

Journal of Sedimentary Research (SEPM)

... composition of fresh and weathered tills has been determined by X-ray diffraction methods (Droste, 1956a, 1956b; Droste and Doehler, 1957; and Droste...

1958

Oil-Gas Prospects of the Miocene Sediments of the Baku Archipelago

M. B. Kheirov, N. Yu. Khalilov

Petroleum Geology: A Digest of Russian Literature

... of the first order on the diffraction diagram of an air-dried sample at 12.6-14.6A. This shifts to 17.7-17.8A when the sample is saturated...

1978

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...

1968

ABSTRACT: Volcanic glass transformation types and their relationship with the basins parameters: a case study of the Rupea tuffs (Transylvanian Basin) and Govora tuffs (Dacian Basin); #90109 (2010)

Georgiana Popescu, Irina Chiciudean, Barbara Soare

Search and Discovery.com

...-ray powder diffraction. The results show different transformation patterns which could be interpreted as the response of the vitrified material towards...

2010

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