收稿日期: 2008-10-15
修回日期: 2009-01-09
网络出版日期: 2009-04-10
基金资助
国土资源部国家油气专项研究项目“华北前第三系油气资源战略调查及评价”(编号：XQ-2004-03)资助.
A Study on Immature Oil's Genesis in Eastern Linqing Depression of Bohai Bay Basin
Received date: 2008-10-15
Revised date: 2009-01-09
Online published: 2009-04-10
李孝军 . 渤海湾盆地临清坳陷东部未熟—低熟油成因探讨[J]. 天然气地球科学, 2009 , 20(2) : 273 -277 . DOI: 10.11764/j.issn.1672-1926.2009.02.273
The study of the forming condition and mechanism of immature oil in eastern Linqing depression reveals that brackish water-brine, abundant sulfur bacteria and sulfocompounds provided favorable conditions for the formation of the immature oil. Immature oil was the result of hydrogen-rich sapropel of lower activation energy degraded by sulfur bacteria. Tmax and Ro of the early hydrocarbon generation of organic matter were 400~435℃ and 0.2％~0.5％ respectively, and their values for peak hydrocarbon generaion are 420℃ and 0.35%.
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