Geochemical Characterization of Chia Gara Formation, Kurdistan, Iraq - Mohialdeen, Ibrahim
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This study is based on geochemical analysis and interpretation of a potential source rock, Chia Gara Formation (Tithonian-Berriassian), and five hydrocarbon oil samples from the different sections and wells. The oils are from two oil fields; Kirkuk oil field (K-252, K-265, K-215, and K-392) and Jambur oil field (Ja-15). Bulk geochemical data involve C/N/S-elemental data and Rock-Eval pyrolysis analyses. Following extraction and MPLC fractionation, the aliphatic and aromatic hydrocarbon fractions were investigated by GC/MS. The Rock-Eval pyrolysis results, which carried out on the selected…mehr

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Produktbeschreibung
This study is based on geochemical analysis and interpretation of a potential source rock, Chia Gara Formation (Tithonian-Berriassian), and five hydrocarbon oil samples from the different sections and wells. The oils are from two oil fields; Kirkuk oil field (K-252, K-265, K-215, and K-392) and Jambur oil field (Ja-15). Bulk geochemical data involve C/N/S-elemental data and Rock-Eval pyrolysis analyses. Following extraction and MPLC fractionation, the aliphatic and aromatic hydrocarbon fractions were investigated by GC/MS. The Rock-Eval pyrolysis results, which carried out on the selected samples, gave different types of kerogen and different maturity stages. As a whole, the Chia Gara Formation from all wells has type II and III kerogens in mature stage in wells K-109 and Tk-3 totally, but in well Bj-1 it is partially mature and in well Hr-1 only the upper part is in early stage maturity. High levels and similar distribution patterns of organic sulfur compounds in Chia Gara source rock bitumens and reservoired oils most clearly document the genetic relationship. Aliphatic and aromatic biomarkers support an origin of Cretaceous reservoired oils from the Chia Gara Formation.
Autorenporträt
Ibrahim Mohammed Jaza Mohialdeen was born in Sulaimani City, Kurdistan in 1967. He obtained his MSc in sedimentology in 1993 and PhD in 2008 in the field of organic geochemistry. Mohialdeen¿s areas of expertise and teaching include sedimentology and petroleum organic geochemistry. Now he is assistant professor at the University of Sulaimani.