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Discussion of hydrocarbon charging point in Zhoufan fault zone of northern Qianjiang area based on distribution of nitrogen compounds |
HE Xiao-kang1,LIU Ming2,ZENG Li-bo1
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(1. Electronic Information School of Wuhan University t Wuhan 430072, China ;2. Research Institute of Exploration and Development, Jianghan Oilfield, Wuimn 430223,China)
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Abstract: |
Based on the distribution rharautenzatiun of nitrogen compouiKls, the crude oil charge position and migration characterization in each layer of Zhoufan fault zone were studied. Tlie results show that the total nitrogenous compounds content from wells ZHou 11 to Zhou 13 is high and screened dimethyl carbazole tends to concentrate with 1 ,B-/2,7-DMC values increasing significantly. The hydrocarbons are charged between wells Zhou 11 and Zhou 13. Around the area of the two wells, the hydrocarbon generated in the depression migrates towards the stratigraphieally uplifting direction, as it is charartftrized by laterally migrating for a short distance, and it determines that the migration and concentration of hydrocarbon in this area is self-generated and self-accumulated model. |
Key words: Zhoufan fault zone biomarker nitrogenous compound hydrocurbon migration |
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