| 海拉尔盆地乌尔逊凹陷下白垩统层序构成样式分析及油气藏预测 |
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| 引用本文： | 刘赫,李军辉,张祥国.海拉尔盆地乌尔逊凹陷下白垩统层序构成样式分析及油气藏预测[J].地质科学,2011,46(4):983-993. |
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| 作者姓名： | 刘赫 李军辉 张祥国 |
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| 作者单位： | 1.东北石油大学地球科学学院 黑龙江大庆 163318；2.大庆油田有限责任公司勘探开发研究院 黑龙江大庆 163712；3.大庆油田有限责任公司海拉尔勘探开发指挥部 黑龙江大庆 163712 |
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| 摘 要： | 乌尔逊凹陷是海拉尔盆地主要油气勘探和开发区之一.对乌尔逊凹陷下白垩统层序构成样式和沉积充填的综合研究表明,盆地的充填序列受构造演化的控制,具有明显的阶段性.在盆地幕式断陷活动和同沉积断裂差异断陷活动等构造作用下,形成了断控陡坡型、缓坡断阶型和洼槽型3种层序构成样式,它们制约了沉积物的分散过程和砂体堆积,对乌尔逊凹陷层序...
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| 关 键 词： | 乌尔逊凹陷 下白垩统 层序构成样式 沉积充填 油气藏 |
| 收稿时间： | 2011-08-05 |
Analysis on the sequence components and forecast of hydrocarbon reservoirs of Early Cretaceous of Wuerxun depression in Hailar Basin |
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| Liu He,Li Junhui,Zhang Xiangguo.Analysis on the sequence components and forecast of hydrocarbon reservoirs of Early Cretaceous of Wuerxun depression in Hailar Basin[J].Chinese Journal of Geology,2011,46(4):983-993. |
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| Authors: | Liu He Li Junhui Zhang Xiangguo |
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| Institution: | 1.Earth Sciences Institute,Northeast Petroleum University,Daqing,Heilongjiang 163318;2.Exploration and Development Research Institute,Daqing Oifield Company Limited,Daqing,Heilongjiang 163712;3.Hailar Exploration and Development Headquarters,Daqing Oilfield Company Limited,Daqing,Heilongjiang 163712 |
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| Abstract: | Wuerxun depression is one of the main oil and gas exploration and development zones in Hailar Basin.Comprehensive research on sequence architecture and depositional filling of Early Cretaceous shows that filling sequences are controlled by tectonic evolution and have distinct phases.Under the tectonism of the episodic fault depressing activities and the different activities of synsedimentary fracture etc，the sequence configuration can be divided into three types：steep slope type，faulted terrace type and sag type，which control the sediment dispersion process and sand accumulation and play an important role for the sequence architecture and formation and distribution of sedimentary system of Wuerxun depression.Results show that different tectonic units have respective characteristic of the sequence style and depositional system，different types of the sequence pattern also determine different tectonic units with different kinds of reservoirs.The fault controlled steep slope area mainly develops fault nose and faults lithologic reservoirs，faulted terrace belt in gentle slope area develops fault blocks and faults lithologic reservoirs，sag belt mainly develops sand lens reservoirs，in addition，the margin of sag belt probably develops fault lithologic reservoirs. |
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