Delu Li
Xi'an University of Science and Technology
Oil shaleTotal organic carbonGeochemistryMaterials scienceMineralogyRed sandstoneCoal firePore sizePyrolysisAtmospheric temperature rangeEnvironmental scienceOrganic matterRadonArgonThermogravimetric analysisPorosityActivation energy
Publications 3
#1Tian YangH-Index: 1
#2Qiang SunH-Index: 4
Last. Zhenlong GeH-Index: 1
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#1Pengfei Li (Xi'an University of Science and Technology)
#2Qiang Sun (Ministry of Land and Resources of the People's Republic of China)H-Index: 1
Last. Tian Yang (Xi'an University of Science and Technology)H-Index: 1
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High temperature and pore structure are important factors affecting the emission rate of radon in rocks. This study mainly focused on the correlation between radon emission rate and temperature in red sandstone. The results showed that in the temperature range of 25-400 °C, as the temperature increased, the connectivity of the internal pores of the sample became better, resulting in a significantly increased radon emission rate. The radon emission rate at 400 °C was 2.86 times the original. To e...
A set of thick, black organic shale is developed at the bottom of the Chang 7 accumulation, an important oil-producing section of the Triassic Yanchang Formation in Ordos Basin. In this paper, the thermogravimetric (TG) behaviour of different organic-rich shale layers is studied in an argon environment. Changes in activation energy (E) are analysed by the Coats-Redfern kinetic method, and thermodynamic characteristics at different temperature stages are clarified. The TG curve of Chang 7 shale d...