银额盆地油气勘探新领域、新类型及资源潜力

doi:10.7623/syxb202401009

石油学报 ›› 2024, Vol. 45 ›› Issue (1): 147-162.DOI: 10.7623/syxb202401009

银额盆地油气勘探新领域、新类型及资源潜力

张洪安¹, 李令喜¹, 陈清棠², 万晶², 史大海², 彭国桃², 周勇水²

1. 中国石油化工股份有限公司中原油田分公司河南濮阳 457000;
2. 中国石油化工股份有限公司中原油田分公司勘探开发研究院河南濮阳 457000

收稿日期:2023-10-02 修回日期:2023-11-25 出版日期:2024-01-25 发布日期:2024-02-20
通讯作者: 万晶,女,1983年6月生,2009年获西南石油大学硕士学位,现为中国石油化工股份有限公司中原油田分公司勘探开发研究院副研究员,主要从事沉积储层及油气藏综合分析研究工作。Email:593701908@qq.com
作者简介:张洪安,男,1965年10月生,2004年获中国地质大学(北京)博士学位,现为中国石油化工股份有限公司中原油田分公司副总经理、教授级高级工程师,主要从事油气地质综合研究与油气勘探工作。Email:zhangha.zyyt@sinopec.com
基金资助:
中国石油化工股份有限公司重大攻关项目"东部富油气凹陷及周缘资源评价"（P23234）资助。

New fields, new types and resource potentials of oil-gas exploration in Yin'gen-Ejinaqi Basin

Zhang Hongan¹, Li Lingxi¹, Chen Qingtang², Wan Jing², Shi Dahai², Peng Guotao², Zhou Yongshui²

1. Sinopec Zhongyuan Oilfield Company, Henan Puyang 457000, China;
2. Exploration and Development Research Institute, Sinopec Zhongyuan Oilfield Company, Henan Puyang 457000, China

Received:2023-10-02 Revised:2023-11-25 Online:2024-01-25 Published:2024-02-20

摘要/Abstract

摘要： 银额盆地是中国陆上油气勘探程度较低的一个大型沉积盆地， "十三五" （2016—2020年）规划以来的勘探实践证实，盆地内的白垩系巴音戈壁组是主力烃源岩层系，发育石炭系—二叠系、侏罗系、白垩系3套油气藏组合，形成了岩性、构造-岩性、基岩潜山以及非常规等多种类型的油气藏。银额盆地受晚期构造差异运动影响，其不同凹陷内烃源岩的发育特征、油气成藏主控因素、资源潜力等均呈现出一定的差异性，影响了盆地的整体效益勘探开发。基于近年来的勘探实践和认识，在分析银额盆地油气成藏条件的基础上对其资源潜力进行新一轮评价，研究结果表明：在查干凹陷、拐子湖凹陷、天草凹陷内，白垩系岩性及构造油气藏的资源潜力大，是银额盆地当前油气勘探开发的主要领域；路井凹陷、拐子湖凹陷、吉格达凹陷的石炭系—二叠系基岩潜山缝洞型油气藏具备高产富集条件，是效益勘探的新类型；查干凹陷、拐子湖凹陷、哈日凹陷的白垩系页岩油气藏和敖西南凹陷侏罗系煤系源岩岩性油气藏具备一定的勘探潜力，是下一步探索的新领域。银额盆地的常规石油资源量为14.39×10⁸t、天然气资源量为451.17×10⁸m³，非常规页岩油资源量约为5.6×10⁸t，展现出良好的勘探前景。

关键词: 银额盆地, 勘探新领域, 成藏条件, 油气藏, 资源潜力

Abstract: Yin'gen-Ejinaqi Basin is a large sedimentary basin with a relatively low degree of oil-gas exploration in China. The exploration practice since the 13th Five-Year Plan(2016-2020) has confirmed that the Cretaceous Baiyingebi Formation is the main source rock series, and three assemblages develops in Carboniferous-Permian, Jurassic, and Cretaceous reservoirs, forming various types of oil-gas pools such as lithological and structural-lithological reservoirs, bedrock buried-hill reservoirs, and unconventional reservoirs. However, the development characteristics of source rocks, main controlling factors of hydrocarbon accumulation, and resource potentials of various sags vary due to the differences of late tectonic movements in Yin'gen-Ejinaqi Basin, thus affecting the overall cost-effective development of the basin. Based on recent exploration practices and understandings, as well as analyses of the basic accumulation conditions, this paper conducted a new round of evaluation on the resource potentials of Yin'gen-Ejinaqi Basin. The results indicate that there is great resource potentials of the Cretaceous lithological and structural reservoirs in Chagan sag, Guaizihu sag, Hari sag, and Tiancao sag, which are the main areas for oil-gas exploration and development. The Carboniferous-Permian buried-hill cave-fractured reservoirs in bed rocks in Lujing sag, Guaizihu sag, and Jigeda sag can provide favorable conditions for high production and hydrocarbon enrichment and are new types of resources for cost-effective exploration. The Cretaceous shale oil and reservoirs in Chagan sag, Guaizihu sag, and Hari sag and the Jurassic lithological reservoirs from the coal-bearing source rocks in Aoxinan sag have certain exploration potential and are new fields for further exploration. In Yin'gen-Ejinaqi Basin, the conventional oil resources amount to 14.39×10⁸t, the conventional gas resources amount to 451.17×10⁸m³, and the unconventional shale oil resources amount to about 5.6×10⁸t, showing excellent exploration prospects.

Key words: Yin'gen-Ejinaqi Basin, new exploration field, accumulation condition, oil-gas reservoir, resource potential

中图分类号:

TE132.1

张洪安, 李令喜, 陈清棠, 万晶, 史大海, 彭国桃, 周勇水. 银额盆地油气勘探新领域、新类型及资源潜力[J]. 石油学报, 2024, 45(1): 147-162.

Zhang Hongan, Li Lingxi, Chen Qingtang, Wan Jing, Shi Dahai, Peng Guotao, Zhou Yongshui. New fields, new types and resource potentials of oil-gas exploration in Yin'gen-Ejinaqi Basin[J]. Acta Petrolei Sinica, 2024, 45(1): 147-162.

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银额盆地油气勘探新领域、新类型及资源潜力

New fields, new types and resource potentials of oil-gas exploration in Yin'gen-Ejinaqi Basin

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