中亚阿姆达林盆地油气富集规律与有利区分析

余一欣; 殷进垠; 郑俊章; 李锋; 王震; 徐小龙; 吴航

doi:10.11781/sysydz201506758

中亚阿姆达林盆地油气富集规律与有利区分析

doi: 10.11781/sysydz201506758

余一欣^1,2,
殷进垠³,
郑俊章⁴,
李锋⁵,
王震⁴,
徐小龙^1,2,
吴航^1,2

1.
中国石油大学油气资源与探测国家重点实验室, 北京 102249
2. 中国石油大学盆地与油藏研究中心, 北京 102249
3. 中国石化石油勘探开发研究院, 北京 100083
4. 中国石油勘探开发研究院, 北京 100083
5. 中国地质调查局油气资源调查中心, 北京 100029

基金项目: 国家自然科学基金项目"渤海郯庐走滑断裂带新生代差异变形及其油气成藏效应"(41472117)、国家油气重大专项"中东中亚重点盆地油气地质特征与有利区优选"(2011ZX05031-001)、"海外含盐盆地油气成藏规律及重点探区目标优选"(2011ZX05029-002)和"中西部重点碎屑岩领域油气富集规律与分布预测"(2011ZX05002-006)联合资助。

详细信息

作者简介:
余一欣(1977—),男,副教授,从事盆地分析和构造地质研究。E-mail:yuxin0707@163.com

中图分类号: TE122.3
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出版历程
- 收稿日期: 2014-10-02
- 修回日期: 2015-09-17
- 刊出日期: 2015-11-28

Hydrocarbon accumulation and favorable objectives in the Amu Darya Basin, central Asia

1.
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China
2. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China
3. SINOPEC Petroleum Exploration and Production Research Institute, Beijing 100083, China
4. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China
5. Oil & Gas Survey, China Geological Survey, Beijing 100029, China

摘要

摘要: 根据阿姆达林盆地主要地质特征及已发现油气田的分布特点,分析了油气富集规律及其主控因素,并结合成藏要素分析,预测了有利区。阿姆达林盆地油气田在平面上的分布主要受烃源岩、构造和岩性等因素控制,并表现出油、气差异聚集特点。纵向上,上侏罗统基末里-提塘阶膏盐岩将含油气层系划分为盐下和盐上2套体系。盐下大型油气田的分布主要受有利储集相带和局部构造控制,而膏盐岩区域盖层的减薄以及走滑断裂的活动控制盐上油气田的分布。受储层、盖层和油气来源等因素综合影响,阿姆达林盆地最有利的勘探潜力区是位于南部木尔加布坳陷的盐下上侏罗统卡洛夫-牛津阶碳酸盐岩层系,尤其是具有构造背景的生物礁建造。
- 膏盐岩 /
- 礁体 /
- 油气成藏 /
- 主控因素 /
- 阿姆达林盆地
Abstract: This paper summarizes the rules of hydrocarbon accumulation and their controlling factors, and predicts some favorable exploration targets based on the integrated analysis of the basic geological features and distribution of discovered oil and gas fields in the Amu Darya Basin.In map view, the distribution of oil and gas fields is controlled mainly by source rocks, structures and lithology.The phenomenon of differential accumulation of oil and gas is also obvious.There are sub-salt and supra-salt petroleum-bearing layers, separated by the Kimmeridgian-Tithonian evaporites.Sub-salt hydrocarbon accumulation is present in favorable reservoir belts and local structures. In addition, thinning of evaporite seals and activity of strike-slip faults are beneficial to supra-salt fields.According to the analysis of reservoirs, seals and source rocks, it is proposed that the sub-salt carbonate reservoirs of the Upper Jurassic Callovian-Oxfordian formations in the Murgab Depression, especially the reefs with structural background, are favorable exploration objectives.
- evaporite /
- reef /
- hydrocarbon accumulation /
- controlling factors /
- Amu Darya Basin

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