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Change in the maturation organic matter and conversion of hydrocarbon potential in the burial history of source rocks in the Mannar Basin, offshore Sri Lankaстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 8 декабря 2021 г.
- Авторы: Galushkin Yu I., Dubinin E.P.
- Журнал: Geochemistry International
- Том: 59
- Номер: 10
- Год издания: 2021
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 938
- Последняя страница: 946
- DOI: 10.1134/S0016702921090032
- Аннотация: Abstract—Numerical simulations of the burial and thermal history of the Mannar Basin using the GALO systemfor basin modeling make it possible to evaluate the change in the temperature and organic matter maturationin the source rocks of the basin and trace the variations in the rock temperature and maturity with distancefrom the axis of the ancient rift. Our analysis shows that organic matter of Jurassic rocks recovered by WellsPearl 1 and Dorado North, located in a flank of the rift, occurs within the oil window (0.50 ≤ Ro ≤ 1.30%),whereas the maturity of these rocks in Wells Pseudo Mannar Deep and Barracuda, which are close to the riftaxis, considerably exceeds maturity within this window. The probable Jurassic source rocks generate mainlyheavy and light oil and a little gas in areas far from the rift axis, but these rocks generate mainly gas in the areasnear the axis. The modeling shows that the thermal activation of the lithosphere of this basin in the UpperCretaceous had a noticeable effect on the temperature and maturity of the rocks in areas close to the ancientrift axis (Pseudo Mannar Deep and Barracuda wells), but its effect is markedly reduced in areas remote fromthe rift axis (Wells Pearl 1 and Dorado North).
- Добавил в систему: Дубинин Евгений Павлович