Geochemical Characterization and Origin of High-Sulfur, Heavy Oils in Jiyang Sub-Basin, East China |
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| Authors: | WANG Guangli WANG Tieguan and ZHANG Linye |
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| Institution: | WANG Guangli~(1,*),WANG Tieguan~1 and ZHANG Linye~2 1 State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum,Beijing 102249,China 2 Institutes of Geological Science,SINOPEC Shengli Oilfield Company,Dongying 257015,China |
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| Abstract: | High-sulfur,heavy petroleum is widely occurring in the Tertiary lacustrine Jiyang sub-basin, Bohai Bay Basin.They are differentiated into two families based on the bulk properties and biomarker compositions.Family 1 is characterized by high resins(40%-71%)and sulfur(2%-4%),and low wax (l%-6%),with n-alkanes removed by biodegradation,whereas family 2 is characterized by extremely abundant sulfur(3%-10%),and high asphaltenes(7%-31%)and wax(2%-19%),with no evidence of microbial attack.The oils of family 1 are ... |
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| Keywords: | high-sulfur heavy oil bacterial sulfate reduction biodegradation lacustrine carbonate |
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