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ORIGIN AND ACCUMULATION OF HEAVY OILS IN THE QINGDONG SAG, BOHAI BAY BASIN, EASTERN CHINAGold Open Access

Authors: Z. Zhang, H. Ge, D. Liu, J. Li, W. Min and L. Zhang
Event name: 29th International Meeting on Organic Geochemistry
Session: Posters - Case Studies
Publication date: 02 September 2019
DOI: 10.3997/2214-4609.201902723
Language: English
Info: Extended abstract, PDF ( 119.85Kb )

Summary:
In this paper, the origin of immature oil, biodegradation of crude oil, sources and episodes of oil charging have been investigated to reveal the origin and accumulation processes of heavy oils in the Qingdong Sag of Jiyang Depression, Bohai Bay Basin. Some indicators with highly resistant to biodegradation together with stable carbon isotopic compositions were used for oil-source correlation. Furthermore, the main factors controlling formation and distribution of heavy oils in the study area are discussed.

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