Sulfur isotope analysis of bitumen and pyrite associated with thermal sulfate reduction in reservoir carbonates at the Big Piney–La Barge production complex

2014 ◽  
Vol 134 ◽  
pp. 210-220 ◽  
Author(s):  
Hubert E. King ◽  
Clifford C. Walters ◽  
William C. Horn ◽  
Mindy Zimmer ◽  
Maureen M. Heines ◽  
...  
Keyword(s):  
Sulfate Reduction ◽  
Sulfur Isotope ◽  
Isotope Analysis ◽  
Production Complex

Study of thermochemical sulfate reduction mechanism using compound specific sulfur isotope analysis

2016 ◽  
Vol 188 ◽  
pp. 73-92 ◽  
Author(s):  
Alexander Meshoulam ◽  
Geoffrey S. Ellis ◽  
Ward Said Ahmad ◽  
Andrei Deev ◽  
Alex L. Sessions ◽  
...  
Keyword(s):  
Sulfate Reduction ◽  
Sulfur Isotope ◽  
Isotope Analysis ◽  
Reduction Mechanism ◽  
Thermochemical Sulfate Reduction

scholarly journals Investigation of Hydrochemical Parameters of Water Resources in Kamarderaz Anticline Plunge in the Southwest of IRAN

2021 ◽  
Author(s):  
Seyed Yahya Mirzaee Aranki ◽  
Sorour Mazrae asl ◽  
Hosein Karimi Vardanjani
Keyword(s):  
Water Resources ◽  
Sulfate Reduction ◽  
Isotope Analysis ◽  
Hydrochemical Parameters ◽  
Khuzestan Province ◽  
Water Supply Management ◽  
Hydrochemical Studies ◽  
Southwest Of Iran ◽  
Karstic Water

Abstract Changes in the quality of karstic water resources affected by the proximity to sources of salinity such as evaporate formations and oil brine pose major challenges to such water resources, especially in Khuzestan province, Iran. The karstic water resources of the Kamarderaz anticline plunge in Izeh city in Khuzestan province have hampered water supply management in the region. To determine water quality and the causes of water salinity in the study area, the hydrochemical parameters of the existing water resources were accordingly evaluated. To conduct hydrochemical studies, 21 samples were collected from different water sources of Kamarderaz anticline plunge in 2017–2018. To analyze the garnered data, Piper and Durov diagrams, composite graphs, ion exchange graphs, ion correlation diagrams, salinity source diagrams and ion ratios were used. The results showed that SO42−, Cl−, and Ca2+ in the water resources of the study area were likely due to several sources including carbonate minerals, gypsum dissolution, anhydrite, halite as well as oil brine. Besides, Br/Cl, I/Cl ion ratios as well as Br-Cl and SO4-Cl diagrams revealed the mixing of karstic freshwater with oil brine in the region. The result of TOC analysis also showed that hydrocarbon materials were present in the well of Atabaki (WT). Moreover, elemental sulfur and sulfur isotope analysis showed that the process of thermochemical sulfate reduction or bacterial sulfate reduction in the presence of hydrocarbons produced H2S gas, and eventually penetrated the WT and WH1.

scholarly journals Anion-Specific Sulfur Isotope Analysis by Liquid Chromatography Coupled to Multicollector ICPMS

2019 ◽  
Vol 91 (15) ◽  
pp. 10088-10094
Author(s):  
Mathieu Martinez ◽  
Jose Ignacio Garcia-Alonso ◽  
Corinne Parat ◽  
Jorge Ruiz Encinar ◽  
Isabelle Le Hécho
Keyword(s):  
Liquid Chromatography ◽  
Sulfur Isotope ◽  
Isotope Analysis

The effect of pantothenate on sulfate metabolism and sulfur isotope fractionation by Saccharomyces cerevisiae

1979 ◽  
Vol 25 (10) ◽  
pp. 1139-1144 ◽  
Author(s):  
R. G. L. McCready ◽  
G. A. Din ◽  
H. R. Krouse
Keyword(s):  
Saccharomyces Cerevisiae ◽  
Fatty Acids ◽  
Sulfate Reduction ◽  
Lipid Content ◽  
Isotope Fractionation ◽  
Sulfur Isotope ◽  
Unsaturated Fatty Acids ◽  
Cellular Lipid ◽  
Sulfur Isotope Fractionation ◽  
Sulfate Metabolism

Growth of Saccharomyces cerevisiae in minimal salts – glucose – SO42− medium with varying concentrations of pantothenate (0–1000 μg/L) produced changes in the cellular lipid content and in the ratio of saturated to unsaturated fatty acids. Substantial differences in SO42−diffusion were also observed with changes in pantothenate concentration. During sulfate reduction, the δ34S value of the evolved sulfide varied with the pantothenate concentration ranging from −31‰ in the absence of pantothenate to 0‰ at 400−1000 μg/L pantothenate. The isotope selectivity is related to the effect of pantothenate concentration on cellular metabolism.

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