[1]席伟军,张枝焕,王学忠.春风油田稠油地球化学特征及油源分析[J].复杂油气藏,2014,(04):19.
 Xi Weijun,Zhang Zhihuan,Wang Xuezhong.Oil source analysis and geochemical characteristics of heavy oil in Chunfeng Oilfield[J].Complex Hydrocarbon Reservoirs,2014,(04):19.
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春风油田稠油地球化学特征及油源分析
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2014年04期
页码:
19
栏目:
油气勘探
出版日期:
2014-12-25

文章信息/Info

Title:
Oil source analysis and geochemical characteristics of heavy oil in Chunfeng Oilfield
作者:
席伟军1张枝焕2王学忠1
1.中国石化胜利油田分公司新春采油厂,山东 东营 257000; 2.中国石油大学(北京),北京 102249;
Author(s):
Xi Weijun1Zhang Zhihuan2Wang Xuezhong1
1.Xinchun Oil Production Plant of Shengli Oilfield Company,SINOPEC,Dongying 257000,China; 2 China Universities of Petroleum,Beijing 102249,China
关键词:
稠油 地球化学特征 油源分析 车排子 准噶尔盆地
Keywords:
heavy oil geochemical characteristics oil-source correlation Chepaizi Junggar Basin
分类号:
TE122.1
文献标志码:
A
摘要:
春风油田位于准噶尔盆地车排子地区,分布有轻质油和稠油两类原油,其中稠油分布比较广泛,石炭系、侏罗系、白垩系、古近系及新近系均有分布。根据稠油的地球化学特征,将春风油田的稠油划分为三大类,其中A类稠油遭受严重的生物降解,正构烷烃损失严重,原油的稳定碳同位素偏轻,一般都低于-30‰; B类稠油也遭受生物降解,存在低碳数的正构烷烃和25-降藿烷共存的现象,原油的稳定碳同位素一般都在-28‰~-30‰之间; C类稠油遭受中等生物降解,甾萜类化合物具有与轻质油相似的特征,原油中稳定碳同位素偏重。油源地球化学特征对比表明,研究区A类稠油主要来源于昌吉凹陷二叠系烃源岩,B类稠油为二叠系和侏罗系烃源岩的混源油,C类稠油主要来源于侏罗系烃源岩。
Abstract:
There are light and heavy oils in Chunfeng Oilfield,which lied in the Chepaizi area of Junggar Basin.The heavy oils are widely distributed in the Carboniferous,Jurassic,Cretaceous and Tertiary.According to the geochemical characteristics of the heavy oils,they are divided into three types.The type A oil had serious biodegradation,heavily destroyed n-alkanes,and less than -30‰ the δ13C in the oil.The type B oil also had serious biodegradation,existing lower carbon number n-alkanes and the 25-norhopanoids compounds at the same time,and the δ13C of the oil from -28‰ to -30‰.The type C oil had medium biodegradation,terpenoid compound similar to the light oil,and higher the δ13C of the oil.Compared with geochemical characteristics of source rocks,the results showed hat the type A oil was mainly from the source rock of Permian,the type B oil was from the source rock of Permian and Jurassic,and the type C oil was from the source rock of Jurassic.

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备注/Memo

备注/Memo:
收稿日期:2014-04-23; 改回日期:2014-06-05。
作者简介:席伟军(1985—),工程师,硕士,主要从事地质勘探研究。电话:18654638452,E-mail:cnxwj2003@163.com。
基金项目:国家重点基础研究发展计划(973)项目“中国西部典型叠合盆地油气成藏机制与分布规律”(2006CB202306)。
更新日期/Last Update: 2014-12-25