Journal
PETROLEUM SCIENCE AND TECHNOLOGY
Volume 37, Issue 8, Pages 899-906Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2019.1575861
Keywords
geochemical properties; maturity; Marib sub-basin; oils; Yemen
Funding
- Petroleum Exploration and Production Authority (PEPA), Republic of Yemen
- Deanship of Scientific Research at King Saud University [RG-1440-031]
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Physical and geochemical properties were performed on three crude oils from Alif-01 well in the Marib sub-basin. The analyzed samples comprise medium specific gravity (37 degrees API), reflecting mature source rocks. The thermal maturity of the analyzed oils is also indicated from the high content of aliphatic hydrocarbons (HC). The compositions of HC further suggest that analyzed oils belong to paraffinic oils. The n-alkane and isoprenoid distributions reveal that the analyzed oils are derived from marine source rock, containing mixed organic matter, with some terrestrial input and deposited under relatively reducing conditions. The features of the analyzed oils are consistent with the Madbi source rock characteristics in the basin.
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