Contribution of the Zubair source rocks to the generation and expulsion of oil to the reservoirs of the Mesopotamian Basin, Southern Iraq

The huge quantities of oil and gas reserved in the fields of southern Iraq must be matched by enough source rocks that can generate and expel equivalent amounts of hydrocarbons. This study is an attempt to evaluate the potential and efficiency of the Zubair Formation strata as potential source rocks...

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Bibliographic Details
Published inPetroleum science and technology Vol. 37; no. 8; pp. 940 - 949
Main Authors Al-Khafaji, Amer Jassim, Sadooni, Fadhil, Hindi, Mohammed Hadi
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 18.04.2019
Taylor & Francis Ltd
Subjects
Biomarkers
Carbon isotopes
Expulsion
geochemical analysis
hydrocarbon potential
Hydrocarbons
Iraq
Mesopotamian basin
Pyrolysis
Reservoirs
Rocks
Zubair formation
Iraq
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Summary:The huge quantities of oil and gas reserved in the fields of southern Iraq must be matched by enough source rocks that can generate and expel equivalent amounts of hydrocarbons. This study is an attempt to evaluate the potential and efficiency of the Zubair Formation strata as potential source rocks that contributed to the hydrocarbon budget. A Multiproxy investigation including TOC, pyrolysis, palynofacies, carbon isotope and biomarker analysis were used to investigate such possibility. Results indicate that Zubair rocks were ranging from poor to excellent source rocks, early to moderate maturity, and generated and expelled much hydrocarbons to the Cretaceous reservoirs of the Basin.
ISSN:1091-6466
1532-2459
DOI:10.1080/10916466.2019.1575869