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http://earchive.tpu.ru/handle/11683/65052
Название: | Structural-mineralogical alterations of sandstones in rock-water and rock-water-oil systems within oil-water contact |
Авторы: | Nedolivko, Nataliya Mikhailovna |
Ключевые слова: | структурно-минералогические особенности; песчаники; нефть-вода |
Дата публикации: | 2019 |
Издатель: | EDP Sciences |
Библиографическое описание: | Nedolivko N. M. Structural-mineralogical alterations of sandstones in rock-water and rock-water-oil systems within oil-water contact / N. M. Nedolivko // E3S Web of Conferences. — Les Ulis : EDP Sciences, 2019. — Vol. 98 : 16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference) : Tomsk, Russia, July 21-26, 2019. — [03005, 5 p.]. |
Аннотация: | Structural-mineralogical alterations of sandstones under conditions of natural water-oil interaction within Jurassic sedimentary sequences in south-eastern Nurolsk sedimentary basin (Tomsk Oblast, Western Siberian, petroleum province) depend on their predominance in the fluid system and the dissolution-resedimentation process itself. Oil inflow and associated acid solutions into the reservoir resulted in rock-water disequilibrium: unstable minerals decompose and new stable mineral phases form. Under conditions of oil-filling reservoir, terrigenous reservoir alteration reveals zonal behavior. In the oil saturation zone (rock-water-oil system) solution and secondary mineralization are minimized; in the transition zone of water-oil contact (rock-water-oil and rock-water systems) dissolution is well-developed and accompanied by intensive kaolinitization; in edge water zone (rock-water system) no dissolution and predominating quartz-carbonate cementation. |
URI: | http://earchive.tpu.ru/handle/11683/65052 |
Располагается в коллекциях: | Материалы конференций |
Файлы этого ресурса:
Файл | Описание | Размер | Формат | |
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conf-nw-33269.pdf | 789,19 kB | Adobe PDF | Просмотреть/Открыть |
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