| 北部湾盆地涠西南凹陷石油地质条件及油气运移分布规律探讨 |
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| 引用本文： | 刘学文.北部湾盆地涠西南凹陷石油地质条件及油气运移分布规律探讨[J].南方国土资源,1989(3). |
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| 作者姓名： | 刘学文 |
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| 作者单位： | 中国海洋石油总公司南海西部石油公司 |
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| 摘 要： | 本文对北部湾盆地涠西南凹陷的地层、沉积环境、圈闭特征及其形成作了概括的归纳,并在论证生、储、盖条件的基础上,提出了油气运移、分布规律:油气藏沿大断裂分布,受成熟生油岩制约;②号大断裂对油气的分区运移起控制作用;油气以侧向运移为主。据此,可预测北部湾盆地的其它凹陷油气运聚规律。
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| 关 键 词： | 石油 成油条件 分布规律 北部湾盆地 |
DISCUSSION ON THE PETROLEUM GEOLOGY AND REGULARITIES OF OIL AND GAS MIGRATION OF SOUTHWESTERN WE1ZHOU DEPRESSION, BEIBU GULF BASIN |
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| Authors: | Liu Xuewen |
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| Abstract: | This paper summarizes the characteristics of the stratigraphy, sedimentary environ ment, and traps and their formation in the Southwestern Weizhou Depression, Beibu Gulf Basin, and proposes the following regularities of oil and gas distribution and migration based on studies on source rock, reservoir and cap rock:
(1) Oil and gas accumulations are distributed along major faults and controlled by mature source rock to certain degree;
(2) Distribution and migration of oil and gas are mainly controlled by No.2 fault;
(3) Lateral migration is dominant.
Migration of oil and gas in other depressions of the Beibu Gulf Basin may be predicted by means of the regularities mentioned above. |
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| Keywords: | oil formation migration distribution Beibu Gulf Basin |
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