页岩油富集可采主控因素分析: 以泌阳凹陷为例

李吉君; 史颖琳; 章新文; 陈祥; 严永新; 朱景修; 卢双舫; 王民

doi:10.3799/dqkx.2014.079

Volume 39 Issue 7

Jul. 2014

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Article Navigation > Earth Science > 2014 > 39(7): 848-857

Li Jijun, Shi Yinglin, Zhang Xinwen, Chen Xiang, Yan Yongxin, Zhu Jingxiu, Lu Shuangfang, Wang Min, 2014. Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression. Earth Science, 39(7): 848-857. doi: 10.3799/dqkx.2014.079

Citation:

Li Jijun, Shi Yinglin, Zhang Xinwen, Chen Xiang, Yan Yongxin, Zhu Jingxiu, Lu Shuangfang, Wang Min, 2014. Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression. Earth Science, 39(7): 848-857. doi: 10.3799/dqkx.2014.079

Citation:

Li Jijun, Shi Yinglin, Zhang Xinwen, Chen Xiang, Yan Yongxin, Zhu Jingxiu, Lu Shuangfang, Wang Min, 2014. Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression. Earth Science, 39(7): 848-857. doi: 10.3799/dqkx.2014.079

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Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression

doi: 10.3799/dqkx.2014.079

1.
Research Institute of Unconventional Oil & Gas and New Energy, China University of Petroleum, Qingdao 266580, China
2.
State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China
3.
College of Earth Sciences, Northeast Petroleum University, Daqing 163318, China
4.
Henan Oilfield Company Ltd., Research Institute of Petroleum Exploration & Development, SINOPEC, Zhengzhou 450000, China

Received Date: 2013-11-20
Publish Date: 2014-07-15

Abstract

Abstract

This paper discusses the key control factors of shale oil enrichment and producibility. It is found that whether shale oil can effectively accumulate and has producibility is mainly controlled by six factors, namely, hydrocarbon generation amount, porosity, preservation condition, reservoir reconstruction condition, crude oil property and development scheme. A break-through of shale oil development has been made in Anshen-1 Well and Biye-1 Well due to their advantages for shale oil enrichment and producibility, including high organic matter abundance, excellent organic matter type and high brittle mineral content, good development of lamellation, structural fracture. But there are also disadvantages. Firstly, maturity of organic matter is low, which influences oil content of shale and physical property of crude oil. Secondly, there is no overpressure in Biyang depression, indicating the preservation condition of shale oil is not good and the stratum energy is low. So the southeast area where the shale has higher depth can be the favorable area for shale oil exploration and exploitation. It is concluded that the decrease of reservoir pressure shall be delayed during production due to the influence of dissolved gas amount on physical property of crude oil and the stress sensitivity of low permeability reservoir.
- shale oil,
- enrichment,
- producibility,
- control factor,
- Biyang depression,
- petroleum geology

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Control Factors of Enrichment and Producibility of Shale Oil: A Case Study of Biyang Depression

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