Carbon Isotopic Compositions of Petroleums and Other Sedimentary Organic Materials

Sol R. Silverman , Samuel Epstein

AAPG Bulletin

..., the extracts were combusted in the manner described previously for preparation for C-13/C-12 analysis. In addition, the infrared absorption spectrum...

Craton History: Chapter 13

John W. Gabelman

AAPG Special Volumes

... absorption of transcurrent movement. These features include broad basins such as the Permian basin of Texas and the Williston basin of North and South...

A Rapid, Inexpensive Determination of the Clay-Size Fraction of Sediments: RESEARCH METHOD PAPER

Michael C. Mackiewicz, David Freeman, Doug Pierson

Journal of Sedimentary Research (SEPM)

... to occur. Absorption of the light increases at this point, marking the upper concentration limit detectable by the instrument. The scatter seen in Figure 1...

A Quantitative Dissolution Method for the Analysis of Ca-, Mg- and Fe-Carbonates in Clay-Rich Rocks and Sediments: RESEARCH METHOD PAPER

Michael E. Strickler, Ray E. Ferrell, Jr., Ronald D. Snelling

Journal of Sedimentary Research (SEPM)

... calcium, magnesium and iron are then determined by atomic absorption (AA) spectroscopy or with an inductively coupled plasma spectrometer (ICP...

Application of Contrast Control Filters in Black and White Photomicrography: RESEARCH METHOD PAPER

J. Bryan Tapp, Dennis R. Prezbindowski

Journal of Sedimentary Research (SEPM)

... on the intensity and quality of the filter) and change the spectrum of light reaching the meter. This absorption increases the amount of exposure time...

Quantifying Cathodoluminescent Intensity With an On-line Camera and Exposure Meter: RESEARCH METHOD PAPER

Gabriel M. Filippelli, Margaret L. Delaney

Journal of Sedimentary Research (SEPM)

... by flame atomic absorption spectroscopy on the dissolved minerals, with a relative error less than 5%). The mineral powders were mixed with methanol...

Uranium Geochemistry in Black Sea: Geochemistry

Elizabeth Rona, Oiva Joensu

AAPG Special Volumes

... elements and calcium carbonate were determined by atomic absorption with an estimated accuracy of 2-3 percent of the amount present. Titanium, silica...

Improved Petrological Modal Analyses from X-Ray Powder Diffraction Data by Use of the Rietveld Method. Part II. Selected Sedimentary Rocks

W. G. Mumme, G. Tsambourakis, I. C. Madsen, R. J. Hill

Journal of Sedimentary Research (SEPM)

..., W., 1968, Neutron diffraction studies of -goethite: Physica Status Solidi, v. 26, p. 429-434. TAYLOR, J.C., AND MATULIS, C.E., 1991, Absorption...

Ca/Mg and Sr/Ca Ratios of Some South African Carbonate-Containing Sediments: GEOLOGICAL NOTES

William G. Siesser

AAPG Bulletin

...-absorption spectrophotometry; analytic details are described by Siesser (1971). Only results of analyses on the sand-size fraction are reported herein...

Thermal Alteration of Blue-Green Algae and Blue-Green Algal Chlorophyll

John H. Oehler , Z. Aizenshtat , J. William Schopf

AAPG Bulletin

... by infrared absorption spectra, apparently results from thermal condensation reactions involving dehydration (anhydride formation), aromatization...

Scaled Physical Model of Secondary Oil Migration: Discussion

P. S. Ringrose , S. R. Larter , P. W. M. Corbett , D. L. Carruthers

AAPG Bulletin

...) migration by means of ^ggr-ray absorption, in J. Parnell, A. H. Ruffell, and N. R. Moles, eds., Geofluids '93: Contributions to an International...

AAPG Asia Pacific Region GTW, Back to the Future – The Past and Future of Oil and Gas Production in the Asia Pacific Region

Search and Discovery.com

ABSTRACT: Implications for formation mechanisms of methane hydrates and recommendations for the future researches in correlative anoxic basins: observations from R/V METEOR (IFM-GEOMAR) expedition in the Black Sea Cruise M72/4-2007; #90109 (2010)

Mustafa Toker, Joerg Bialas, Ingo Klauke, Scientific crew of R/V METEOR cruise

Search and Discovery.com

... variability of methane hydrate dissociation and its subsequent absorption in the water column and/or escape into the atmosphere. For that reason...

ABSTRACT: Carbon Dioxide Geo Sequestration - A review of technical and geological aspects; #90134 (2011)

Priyadharshini Saptharishi

Search and Discovery.com

... that CO2 is suitable for transport via pipeline. Chemical absorption is the most widely used technology in exixting plants to separate CO2 from natural...

Converted-Wave Prestack Time Imaging without using P-Wave

Search and Discovery.com

...-component surveys become widely used technologies for helping heavy oil recovery, because shear waves carry more information about seismic absorption...

Abstracts: Origins of Brackish Spring Waters Discharging into the Clearwater River, NE Alberta; #90173 (2015)

Anita Gue, Bernhard Mayer, and Stephen Grasby

Search and Discovery.com

..., and 87Sr/86Sr. Chemical analyses in the laboratory were conducted using a Dionex ion chromatograph for anions and a Perkin Elmer flame absorption...

Abstracts: Getting Better Shear-wave Data over Heavy Oil: Rational for Buried Acquisition; #90173 (2015)

Rob Kendall and Richard A. Bale

Search and Discovery.com

... and PS images from the Marmousi-2 dataset, which is an elastic finite difference modelled dataset with no absorption. As seen in Figure 1...

Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)

Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen

Search and Discovery.com

... a broad and flat absorption band over a wide range of frequencies (Cormier, 1989). In classical seismology, the spectral ratio method (Tonn, 1991...

Abstract: Joint OBN and 3-D DAS-VSP Data Acquisition and Processing in East China Sea; #91204 (2023)

Gang Yu1, Haibo Liu, Zhonglin Cao, Junjian Li, Jianguo Li, Yuanzhong Chen, Guangming He, Junjun Wu, Ximing Wang

Search and Discovery.com

... seismic data, accurate time-depth relationship, formation velocity, deconvolution operator, spherical diffusion compensation factor, absorption...

What Are Unconventional Resources? A Simple Definition Using Viscosity and Permeability, #80217 (2012)

Harris Cander

Search and Discovery.com

... • Petroleum is either retained in source rocks (shale and coal) via absorption and adsorption or migrated and accumulated in structural, stratigraphic...

Modern Spectroscopies for Characterizing the Chemical Composition of Kerogen and Bitumen, #80531 (2016).

Drew Pomerantz

Search and Discovery.com

... and bitumen at the molecular level have been implemented recently. These methods include X-ray absorption near-edge structure (XANES) spectroscopy...

Misconceptions about Brittleness, and the Talk about Fracture Toughness; #42128 (2017)

Satinder Chopra, Ritesh Kumar Sharma

Search and Discovery.com

... and Discovery Article #41725. We include Figure 1a here showing such a difference in behavior in terms of their energy absorption. The methods in categories...

Submarine-Cemented Pennsylvanian to Early Permian Waulsortian and Palaeoaplysinid Reefs in the Canadian Arctic, #51383 (2017).

Graham R. Davies

Search and Discovery.com

... 7480 1240 ppm Sr to 10,700 ppm (microprobe) 7800, 8300 ppm Sr (atomic absorption spectroscopy) replacive aragonite arrays, now calcite 5 mm...

Calcium Chloride Waters, Connate and Diagenetic

Alfred C. Lane

AAPG Bulletin

... of the absorption of water, magnesia, and other compounds in the formation of chlorite and the change of volcanic glass to bentonite. The permutit water...

Analytical Procedures Applicable to Fine-grained Sedimentary Rocks

Robert L. O'Neil

Journal of Sedimentary Research (SEPM)

...-photometric methods, absorption and emission spectroscopic methods, and fluorescent X-ray procedures. The major elements are determined by a rapid semi...