Email this article Formation conditions of host rocks and veins productive deposits of the Astrakhan gas-condensate field
- Authors: Sokerina N.V.1, Zykin N.N.2, Shanina S.N.3, Valyaeva O.V.3, Isaenko S.I.3, Sokerin M.Y.3
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Affiliations:
- Institute of Geology, Komi Scientific Center, Ural Branch of the Russian Academy of Sciences
- OOO Gazprom VNIIGAZ
- Institute of Geology, Komi Scientific Center, Ural Branch, Russian Academy of Sciences
- Issue: Vol 484, No 1 (2019)
- Pages: 83-86
- Section: Geochemistry
- URL: https://journals.eco-vector.com/0869-5652/article/view/12148
- DOI: https://doi.org/10.31857/S0869-5652484183-86
- ID: 12148
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Abstract
This study examines one- (gas) and two-phase (aqueous solution–gas) inclusions in the calcite of the Cheremshanskian Horizon of the Bashkirian stage at a depth of 4,215–4,217 m in the Pravoberezhnaya-1 well. Homogenizing temperature is within 100–134 °C, which is likely close to the temperature of mineral formation. Calcite vein formation involves calcium bicarbonate fluid enriched in Mg chloride. It was established the calcite inclusions contain carbon dioxide, methane, and hydrogen sulfide. The gas composition of the inclusions in limestone is distiuguished of its high carbon dioxide concentration but rather low methane and hydrogen sulfide concentration.
About the authors
N. V. Sokerina
Institute of Geology, Komi Scientific Center, Ural Branch of the Russian Academy of Sciences
Author for correspondence.
Email: sokerina@geo.komisc.ru
Russian Federation, Syktyvkar
N. N. Zykin
OOO Gazprom VNIIGAZ
Email: sokerina@geo.komisc.ru
Russian Federation, Syktyvkar
S. N. Shanina
Institute of Geology, Komi Scientific Center, Ural Branch, Russian Academy of Sciences
Email: sokerina@geo.komisc.ru
Russian Federation, Syktyvkar
O. V. Valyaeva
Institute of Geology, Komi Scientific Center, Ural Branch, Russian Academy of Sciences
Email: sokerina@geo.komisc.ru
Russian Federation, Syktyvkar
S. I. Isaenko
Institute of Geology, Komi Scientific Center, Ural Branch, Russian Academy of Sciences
Email: sokerina@geo.komisc.ru
Russian Federation, Syktyvkar
M. Yu. Sokerin
Institute of Geology, Komi Scientific Center, Ural Branch, Russian Academy of Sciences
Email: sokerina@geo.komisc.ru
Russian Federation, Syktyvkar
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