The study of the hydrogen sulfur various content in the Domanic deposits fluids of the Volga-Ural territory based on rocks’ mineral lithological composition
UDC: 553.98(470.4/.5):546.221
DOI: 10.33285/2413-5011-2022-12(372)-5-12
Authors:
MOROZOV VLADIMIR P.
1,
SHIPAEVA MARIA S.1,
SERGEEVA ELENA V.2,
LAVROV DMITRIY V.2,
SOBOLEV VICTOR I.3,
SUDAKOV VLADISLAV A.1
1 Kazan Federal University, Kazan, Russia
2 SamaraNIPIneft LLC, Samara, Russia
3 JSC "Orenburgneft", Buzuluk, Russia
Keywords: domanikites, oil source rocks, core, research methods, hydrogen sulfide
Annotation:
The core samples taken from the Domanic deposits of three regions: Orenburg region, Samara region (the Buzuluk depression) and the Republic of Tatarstan (South-Tatar arch) has been studied by application of the mineral-lithological and geochemical methods. The screening of numerous samples revealed the difference of their catagenetic maturity. The results obtained in the course of the studies allowed revealing a certain relationship between the level of Domanic deposits catagenesis and the quantitative content of hydrogen sulfide in produced oils. The results of this scientific work explain the higher contents of the gas component, including hydrogen sulfide, in the produced fluid of the Buzuluk depression compared to similar type of the fluids produced within the South Tatar arch. In addition, the information about the hydrogen sulfide content in the Karachaganak oil field and northern part of the Pre-Caspian edging deposits is overviewed.
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