An assessment of tight oil resource in 7th oil reservoirs of Yanchang Formation,Ordos Basin

doi:10.7623/syxb201706005

Acta Petrolei Sinica ›› 2017, Vol. 38 ›› Issue (6): 658-665.DOI: 10.7623/syxb201706005

• Petroleum Exploration • Previous Articles Next Articles

An assessment of tight oil resource in 7th oil reservoirs of Yanchang Formation,Ordos Basin

Guo Qiulin, Wu Na, Chen Ningsheng, Ren Hongjia, Yang Zhi, Xie Hongbing

PetroChina Research Institution of Petroleum Exploration and Development, Beijing 100083, China

Received:2016-12-23 Revised:2017-05-11 Online:2017-06-25 Published:2017-07-08

鄂尔多斯盆地延长组第7油层组致密油资源评价

郭秋麟, 武娜, 陈宁生, 任洪佳, 杨智, 谢红兵

中国石油勘探开发研究院北京 100083

通讯作者: 郭秋麟,男,1963年10月生,1985年获华东石油学院石油地质专业学士学位,2008年获中国科学院地质与地球物理研究所矿物学、岩石学与矿床学专业博士学位,现为中国石油天然气集团公司高级技术专家、中国石油勘探开发研究院教授级高级工程师、二级专家,主要从事油气资源评价、盆地数值模拟等方面的研究工作。Email:qlguo@petrochina.com.cn
作者简介:郭秋麟,男,1963年10月生,1985年获华东石油学院石油地质专业学士学位,2008年获中国科学院地质与地球物理研究所矿物学、岩石学与矿床学专业博士学位,现为中国石油天然气集团公司高级技术专家、中国石油勘探开发研究院教授级高级工程师、二级专家,主要从事油气资源评价、盆地数值模拟等方面的研究工作。Email:qlguo@petrochina.com.cn
基金资助:
国家重点基础研究发展（973）计划项目“中国陆相致密油（页岩油）形成机理与富集规律”（2014CB239000）、中国石油天然气股份有限公司重大科技专项“中国石油第四次油气资源评价”（2013E-0502）资助。

Abstract

Abstract:

This paper summarizes the tight oil research and exploration progress in 7th oil reservoirs of Yanchang Formation(Chang 7), Ordos Basin. Moreover, the tight oil geologic characteristics of Chang 7 have been studied in terms of sandstone distribution, physical characteristics, tight oil charging time and accumulation stage. Accordingly, the tight oil is divided into Type A and Type B. On this basis, the geological resources and recoverable resources of regional tight oil are estimated by the small bin method and the EUR analogous method. The evaluation results show that the tight oil reservoir in Chang 7 has the total geologic resources of 41.78×10⁸t and recoverable resources of 3.73×10⁸t. The areas with high resource abundance are mainly distributed to the west of Well Ning 89, along Huachi-Maling-Huanxian areas, in Jiyuan and adjacent to Well AP11. The research approach and results provide beneficial reference to China’s tight oil resource assessment, exploration and production.

Key words: tight oil, 7th oil reservoirs of Yanchang Formation, resource assessment, Ordos Basin, resource abundance

摘要：

总结了鄂尔多斯盆地延长组第7油层组（简称长7）致密油研究及勘探进展，从砂岩展布、物性特征、致密油充注时间和成藏期次等方面研究长7致密油地质特征，并按特征将致密油划分为A类和B类。在此基础上，采用小面元法和EUR类比法分别计算长7致密油地质资源量和可采资源量。评价结果揭示：长7致密油地质资源量和可采资源量分别为41.78×10⁸t和3.73×10⁸t，高资源丰度区主要分布在Ning 89井西侧、华池—马岭—环县一带、姬塬和AP 11井附近。研究思路和评价结果为中国致密油资源评价及勘探生产提供有益参考。

关键词: 致密油, 延长组第7油层组, 资源评价, 鄂尔多斯盆地, 资源丰度

CLC Number:

TE122.1

Guo Qiulin, Wu Na, Chen Ningsheng, Ren Hongjia, Yang Zhi, Xie Hongbing. An assessment of tight oil resource in 7th oil reservoirs of Yanchang Formation,Ordos Basin[J]. Acta Petrolei Sinica, 2017, 38(6): 658-665.

郭秋麟, 武娜, 陈宁生, 任洪佳, 杨智, 谢红兵. 鄂尔多斯盆地延长组第7油层组致密油资源评价[J]. 石油学报, 2017, 38(6): 658-665.

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An assessment of tight oil resource in 7th oil reservoirs of Yanchang Formation,Ordos Basin

鄂尔多斯盆地延长组第7油层组致密油资源评价

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