Abstract
To identify the microscopic pore characteristics and controlling factors of Hetang Formation Shale in the Lower Yangtze Region, the pore types, pore size distribution characteristics, and controlli...
Highlights
In recent years, under the influence of the business development of shale gas in North America, the exploration and development of shale gas in China has made a significant breakthrough (Guo, 2016; Wang, 2015)
75 samples of the Lower Cambrian Hetang Formation Shale were collected in Northeast Jiangxi, China for organic geochemical analysis and mineral composition analysis, and nine samples with different content of total organic carbon (TOC) were selected based on the test results for SEM test and low-temperature liquid nitrogen test
Through SEM, it is found that there are rich micro and nano pores developed in Hetang Formation Shale, dominated by mineral pores, which is consistent with the previous research results (He, 2015; Fu et al, 2016)
Summary
Under the influence of the business development of shale gas in North America, the exploration and development of shale gas in China has made a significant breakthrough (Guo, 2016; Wang, 2015). This paper, based on 75 samples used for geochemical analysis and X-ray diffraction analysis for Lower Cambrian Hetang Formation Shale in Northeast Jiangxi, selected nine samples with different content of total organic carbon (TOC) for SEM and low-temperature liquid nitrogen test, analyzed microscopic pore type and pore size distribution scope of Hetang Formation Shale, discussed the correlation between pore volume and organic carbon, mineral composition and thermal evolution degree, and discuss the factors influencing microscopic pores of Hetang Formation Shale in Northeast Jiangxi, China. 75 samples of the Lower Cambrian Hetang Formation Shale were collected in Northeast Jiangxi, China for organic geochemical analysis and mineral composition analysis, and nine samples with different content of TOC were selected based on the test results for SEM test and low-temperature liquid nitrogen test.
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