Shale Characteristics of Shahai Formation in Fuxin and Shale Gas Resource Potential Evaluation

doi:10.11885/j.issn.16745086.2015.04.22.05

Abstract

Abstract: Based on the previous geological work in Liujia Area,Fuxin,we found that there buried large-scale shales in Fuxin Basin,where accumulation of shale gas is of very huge potential for development. After shale core sampling and laboratory tests of the shale of Shahai Formation in Liujia Area, Fuxin, we analyzed the important parameters of distribution, organic matter content, R_o, porosity, brittle mineral content, and fracture characteristics. The research results show that the shale thickness is 500~600 m, with organic carbon content of 2.14%, thermal maturity 0.634%, and the average porosity 3.46%. Among the brittleness minerals, quartz content accounts for 37.21%, and there are many forms of nanoscale porosity and natural fractures proving that fracture development is very good. According to Ro and organic matter content, it is estimated the shale gas in Liujia Area is(72.8~89.05)×10⁸ m³ by resource abundance analogy method. It is provided the necessary basic parameters for the exploration and development of shale gas in Liujia Area by the analysis and resource evaluation of shale gas of Shahai Formation, and Liujia Area in Fuxin can be determined as favorable areas for shale gas exploration and development.

Key words: shale gas, characteristics of shale, organic carbon content, thermal maturity evolution degree, resources potential evaluation

CLC Number:

TE122

LIANG Bing, LIU Qiang, SHI Yingshuang, SUN Weiji, LAN Bo. Shale Characteristics of Shahai Formation in Fuxin and Shale Gas Resource Potential Evaluation[J]. 西南石油大学学报(自然科学版), 2016, 38(5): 59-64.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.16745086.2015.04.22.05

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