کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8124824 | 1522775 | 2018 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Geochemical characteristics and correlation of continuous charge mixing and biodegradation of heavy oil in southeastern Dongying Sag, Bohai Bay basin, China
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی اقتصادی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Conventional geochemical diagnostic parameters in the saturated hydrocarbon fraction are affected by biodegradation. Based on the intensity of n-alkanes, hopanes and 25-NHs, many samples from Caoqiao appear to have experienced both biodegradation and continuous charge. A wide range of geochemical parameter values from different components point to multiple oil charge mixing. The relationship between the absolute concentrations of n-alkanes to hopanes and hopanes to 25-NHs of the samples can qualitatively differentiate whether oil charge mixing occurs in reservoirs or not. The cross plot of n-alkanes and hopanes dynamically describes the processes of continuous charge mixing and biodegradation. The positive correlation between the concentrations of hopanes and 25-NHs may suggest that oil charge mixing and biodegradation proceed continuously, while the negative correlation may indicate charge stops due to some geological factors.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Petroleum Science and Engineering - Volume 166, July 2018, Pages 1-12
Journal: Journal of Petroleum Science and Engineering - Volume 166, July 2018, Pages 1-12
نویسندگان
Jun Niu, Haiping Huang, Wenlong Jiang,