银额盆地查干凹陷油藏特征及油气成藏过程

牛子铖; 柳广弟; 曹喆; 王朋; 常俊合; 张凯迪

doi:10.11781/sysydz201601032

银额盆地查干凹陷油藏特征及油气成藏过程

doi: 10.11781/sysydz201601032

牛子铖^1,2,
柳广弟^1,2,
曹喆^1,2,
王朋^1,2,
常俊合³,
张凯迪^1,2

1.
中国石油大学(北京)地球科学学院, 北京 102249
2. 油气资源与探测国家重点实验室, 北京 102249
3. 中国石化中原油田分公司勘探开发科学研究院, 河南濮阳 457001

基金项目: 国家自然科学基金项目"致密砂岩微米-纳米孔喉系统石油充注的有效性及其成藏效应"(41472114)资助。

详细信息

作者简介:
牛子铖(1989-),男,博士研究生,从事油气藏形成与分布研究。E-mail:zichengniu@163.com。

中图分类号: TE122.3
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- 被引次数: 0
出版历程
- 收稿日期: 2014-12-25
- 修回日期: 2015-11-24
- 刊出日期: 2016-01-28

Reservoir characteristics and hydrocarbon accumulation in Chagan Sag, Yingen-Ejinaqi Basin

1.
College of Geosciences, China University of Petroleum, Beijing 102249, China
2. State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China
3. Exploration and Development Research Institute, SINOPEC Zhongyuan Oilfield Branch Company, Puyang, Henan 457001, China

摘要

摘要: 查干凹陷是银额盆地最具勘探潜力的含油凹陷之一,凹陷多层系立体含油,在下白垩统巴音戈壁组、苏红图组、银根组均有油藏发现,已经发现的油藏集中分布在乌力吉构造带和中央构造带上。近源聚集是查干凹陷油气成藏的典型特征,油气来源于紧临构造带的2个烃源灶。在烃源岩生烃演化模拟和油气充注成藏期次研究的基础上,分析了油气成藏过程,确定查干凹陷油气成藏过程可划分为苏二期、银根期、新生代3个阶段。不同的油气成藏过程造成了查干凹陷各层原油物理性质、成熟度、生标特征等方面的显著差异。
- 油藏特征 /
- 成藏过程 /
- 成藏期次 /
- 流体包裹体 /
- 查干凹陷 /
- 银额盆地
Abstract: The Chagan Sag is an important hydrocarbon exploration area in the Yingen-Ejinaqi Basin. Oil has been discovered in multiple formations including the Bayingebi, Suhongtu and Yingen formations in the Lower Cretaceous. Reservoirs were found mainly in the Wuliji and the central structural belts. Hydrocarbons generated from source kitchens migrated for a short-distance and accumulated in surrounding traps. Hydrocarbon generation, charging and accumulation time analysis showed that accumulation can be divided into three stages:the second member of Suhongtu Formation, the Yingen Formation and the Neogene. Different stages of hydrocarbon accumulation resulted in various physical properties, maturities and biomarkers of crude oils.
- reservoir characteristics /
- petroleum accumulation process /
- hydrocarbon accumulation period /
- fluid inclusions /
- Chagan Sag /
- Yingen-Ejinaqi Basin

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