Geochemical study and burial and thermal history modeling of Dorood and Nowrooz oil fields
Author(s):
Abstract:
This paper summarizes geochemical analysis and burial and thermal history modeling of Dorood and Nowrooz oil fields located in northwestern Persian Gulf. 5 samples of Fahliyan (Yammama), Asmari and Fahlian (Manifa) reservoirs in Dorood - Kharg oil field and Kazhdumi (Nahreomr) and Kazhdumi (Burghan) reservoirs in Nowrooz oil field were analyzed geochemically. Samples are mainly paraffinic oil type. Oil in Dorood - Kharg reservoirs were originated from carbonate sulfur rich source rock but marl or calcareous shale rock is responsible for oil generation in the Nowrooz field. Isotopic studies indicate that Kazhdumi (Nahreomr) reservoir is likely contain composite oil. Based on the results of burial and thermal history modeling of Dorood and Nowrooz oil fields, the Surmeh (Arab - D) formation began to generate oil from about 125 million years ago and lies in main oil window and Kazhdumi (Dair) formation is thermally immature in Nowrooz oil field. Kazhdumi and Gadvan formations lie in early oil zone and Pabdeh formation is immature in Dorood oil field.
Keywords:
Language:
Persian
Published:
Journal of Mineral Resources Engineering, Volume:1 Issue: 1, 2017
Pages:
63 to 76
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