Journal
PETROLEUM SCIENCE AND TECHNOLOGY
Volume 37, Issue 12, Pages 1355-1362Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2019.1585450
Keywords
Madbi shale Formation; geochemistry; gas resource; NW-Say'un-Masila Basin; Eastern Yemen
Funding
- Petroleum Exploration and Production Authority (PEPA), Republic of Yemen
- Deanship of Scientific Research at King Saud University [PRG-1436-08]
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Late Jurassic Madbi shale samples from Al-Qarn-01 well in the NW Say'un-Masila Basin, Eastern Yemen are analyzed using conventional geochemical data such as total organic carbon (TOC) content and Rock-Eval pyrolysis. The results in this study are used to evaluate the gas resource potentiality in the basin. The analyzed shales have high TOC content between 1.00% and 3.12%, and their HIs range from 77 to 177 mg HC/g TOC. These values indicate that the investigated Madbi shale intervals contain Type III kerogen and are considered to be very good gas-source rocks. Furthermore, the relatively high Rock-Eval pyrolysis T-max (447-459 degrees C) and PI (0.09-0.44) values indicate mainly peak to late mature oil window.
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