Journal
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
Volume 77, Issue 1, Pages 1-9Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.petrol.2011.01.003
Keywords
GC-MS; biodegraded oil seep; asphaltenes; hydrous pyrolysis; biomarkers; correlation
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Funding
- AIDAB Australia
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The biomarker composition of biodegraded petroleum in an oil seep was determined using GC and GC-MS techniques. The results show that many important biomarker compounds are eliminated or highly altered by biodegradation. In order to establish a correlation between the seep sample and a non-biodegraded crude oil sample from the Dhurnal field, asphaltenes were isolated from the seep and subjected to hydrous pyrolysis. The biomarker composition of the pyrolysate and the Dhurnal oil is similar, suggesting that they are generated by similar source rocks. (C) 2011 Elsevier B.V. All rights reserved.
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