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| 海拉尔盆地呼和湖凹陷南屯组油气成藏期次研究 | |
| 引用本文： | 董立,王伟明,余学兵,王桂华. 海拉尔盆地呼和湖凹陷南屯组油气成藏期次研究[J]. 油气地质与采收率, 2011, 18(3) |
| 作者姓名： | 董立 王伟明 余学兵 王桂华 |
| 作者单位： | 1. 中国地质大学(北京)能源学院,北京,100083 2. 东北石油大学,地球科学学院,黑龙江,大庆,163318 3. 中国石化上海海洋油气分公司,研究院,上海,200120 4. 中国石油集团测井有限公司,长庆事业部解释中心,陕西,西安,710201 |
| 摘 要： | 海拉尔盆地呼和湖凹陷南屯组是该区近期新增规模储量的潜力地区,但南屯组油气成藏期次不明确阻碍了对油气成藏过程的准确认识.为此采用生烃史和流体包裹体综合分析的方法,同时结合单井沉积史与热史分析,对研究区南屯组生油岩生烃和储层注烃2个油气成藏过程展开分析,厘定了南屯组油气成藏期次.应用化学动力学方法评价生烃史的结果表明,研究区主力烃源岩南屯组的生烃期为125-115 Ma,对应的地质时期是伊敏组沉积中晚期;南屯组烃源岩生油高峰对应的依敏组沉积中晚期就是油气的主要成藏期.应用流体包裹体法分析得到的油气主要充注期为118-112 Ma,略晚于生烃期.考虑到排烃期、运聚期要略滞后于生烃期,2种方法分析结果相互佐证,由此认为依敏组沉积中晚期是呼和湖凹陷南屯组油气大量充注的主要成藏期. |
| 关 键 词： | 油气成藏期次 南屯组 流体包裹体 化学动力学 呼和湖凹陷 海拉尔盆地 |
Study on hydrocarbon accumulation stages in Nantun formation, Huhehu depression,Halaer Basin |
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| Dong Li,School of Energy Resources,China University of Geosciences ,Beijing City,,China Wang Weiming,Yu Xuebing et al.. Study on hydrocarbon accumulation stages in Nantun formation, Huhehu depression,Halaer Basin[J]. Petroleum Geology and Recovery Efficiency, 2011, 18(3) | |
| Authors: | Dong Li School of Energy Resources China University of Geosciences Beijing City China Wang Weiming Yu Xuebing et al. |
| Affiliation: | Dong Li,School of Energy Resources,China University of Geosciences (Beijing),Beijing City,100083,China Wang Weiming,Yu Xuebing et al. |
| Abstract: | The Nantun formation in Huhehu depression of Halaer Basin is the most promising for reserve growth in the area. However, a poor understanding of the hydrocarbon accumulation stages in the formation restrains further probe into the accumulation processes, and making it difficult to obtain a breakthrough in exploration. To solve the problem, we employed a comprehensive analysis method that combines the study of hydrocarbon generation history and fluid inclusion with analysis of sedimentary and thermal history... |
| Keywords: | hydrocarbon accumulation stage Nantun formation fluid inclusion chemical kinetics Huhehu depression Halaer Basin |
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