山东莱芜地区太古界露头裂缝特征及其油气储层意义

CHARACTERISTICS OF FRACTURES AND THEIR HYDROCARBON RESERVOIR MEANINGS FOR THE ARCHEAN OUTCROP IN LAIWU AREA, SHANDONG PROVINCE

张敬轩 金强

ZHANG Jin-xuan JIN Qiang

胜利油田, 地质科学研究院, 山东, 东营, 257015 2. 石油大学, 地球资源与信息学院, 山东, 东营, 257061

Research Institute of Geological Sciences, Shengli Oilfield, Dongying, Shandong 257015, China 2. School of Earth Resources and Information, University of Petroleum, Dongying, Shandong 257061, China

变质岩常为基岩潜山油气藏的储集岩,它的储集空间以裂缝为主。储层中的裂缝规模及分布规律是油气地质研究的一项难题,开展地表露头分析将有助于对地下储层的认识。文中对与潜山油藏同层位、同构造背景和同岩性的露头裂缝进行了定性、定量分析,所得到的裂缝描述参数对于揭示胜利油区基岩潜山裂缝储集空间的分布起到了指导作用。

Metamorphic rock, whose reservoir space is dominated by fractures, is often the reservoir rock for bedrock buried-hill oil pools. The scale and distributive rules of fractures in reservoirs are difficult problems to petroleum geological research, and the study on surface outcrop will be helpful to the understanding of underground reservoirs. In this paper, the outcrop fractures which having the same horizon, structural background and lithology with buried-hill oil pools were analysed qualitatively and quantitatively, and the fracture description parameters obtained took a directive role in revealing the distribution of reservoir space in the bedrock buried-hill fractures of Shengli oilfield.

中国石油化工集团公司"九五"课题(P99026).

https://doi.org/10.11781/sysydz200304371