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| 饶阳凹陷马西地区古近系层序地层与隐蔽油气藏勘探 | |
| 引用本文： | 张大智,纪友亮,顾家裕,初丽兰,季丽丹.饶阳凹陷马西地区古近系层序地层与隐蔽油气藏勘探[J].沉积与特提斯地质,2009,29(2):1-7. |
| 作者姓名： | 张大智 纪友亮 顾家裕 初丽兰 季丽丹 |
| 作者单位： | 1. 中国石油,勘探开发研究院,北京,100083;中石油,杭州地质研究院,浙江,杭州,310023 2. 中国石油大学,北京,102249 3. 中国石油,勘探开发研究院,北京,100083 4. 大庆油田勘探开发研究院,黑龙江,大庆,163712 |
| 摘 要： | 利用地震、测井、岩相等资料，对饶阳凹陷马西地区古近系进行了层序地层学研究，将其划分为3个二级层序和10个三级层序。层序Ⅷ、Ⅸ、Ⅹ为河流层序，可划分为基准面上升体系域和基准面下降体系域；层序Ⅰ、Ⅱ、Ⅲ、Ⅳ、Ⅴ、Ⅵ和Ⅶ为湖泊层序，每个层序可划分为低位体系域、湖侵体系域和高位体系域。在层序地层研究的基础上，认为马西地区同沉积构造坡折带的存在控制了砂体的展布、烃源岩的发育以及油气的运聚，因而对该地区隐蔽油气藏的形成起控制作用。建立了隐蔽油气藏在不同体系域中的发育模式，并提出了下一步勘探的有利方向。 |
| 关 键 词： | 饶阳凹陷 马西地区 古近系 层序地层 隐蔽油气藏 |
Palaeogene sequence stratigraphy and subtle hydrocarbon exploration in the Maxi region,Raoyang depression,Hebei |
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| ZHANG Da-zhi,JI You-liang,GU Jia-yu,CHU Li-lan,JI Li-dan.Palaeogene sequence stratigraphy and subtle hydrocarbon exploration in the Maxi region,Raoyang depression,Hebei[J].Sedimentary Geology and Tethyan Geology,2009,29(2):1-7. | |
| Authors: | ZHANG Da-zhi JI You-liang GU Jia-yu CHU Li-lan JI Li-dan |
| Institution: | HANG Da-zhi, JI You-liang, GU Jia-yu, CHU Li-lan , JI Li-dan (1.Research Institute of Petroleum Exploration and Development, PetroChina, 2. Hangzhou Research Institute of Geology, PetroChina , Hangzhou 310023, Zhejiang , Beifing 100083, China ; China; 3. China University of Petroleum, Beijing 102249, China; 4. Research Institute of Petroleum Exploration and Development, Daqing Oil Field Company, Daqing 163712, Heilongjiang, China) |
| Abstract: | The Palaeogene sequence stratigraphy in the Maxi region, Raoyang depression may be classified, on the basis of seismic data, well logs and sedimentary facies, into 3 second-order sequences and 10 third-order sequences. The third-order sequences VIII, IX and X are assigned to the fluvial sequences including the base-level rising systems tract and base-level falling systems tract. The third-order sequences Ⅰ, Ⅱ, Ⅲ, Ⅳ, Ⅴ, Ⅵ and Ⅶ represent the lacustrine sequences, each of which consists of lowstand systems tract, transgressive systems tract and highstand systems tract. The syndepositional structural breaks in the Maxi region have exercised a major control on the distribution of sandstones, development of source rocks, migration of hydrocarbons, and accumulation of subtle hydrocarbons in this region. The model for the accumulation of subtle hydrocarbons shows that Sequences Ⅲ, Ⅳand V below the structural breaks may be regarded as the targets for the further exploration of hydrocarbons. |
| Keywords: | Raoyang depression Maxi region Palaeogene sequence stratigraphy subtle hydrocarbons |
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