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Water 2018, 10(5), 649; https://doi.org/10.3390/w10050649

Potential Impact of In-Situ Oil Shale Exploitation on Aquifer System

1,2,3
,
1,2,3
,
4
and
1,2,3,*
1
Key Laboratory of Groundwater Resources and Environment of Ministry of Education, Jilin University, Changchun 130021, China
2
College of Environmental and Resources, Jilin University, Changchun 130021, China
3
National-Local Joint Engineering Laboratory of In-situ Conversion, Drilling and Exploitation Technology for Oil Shale, Changchun 130021, China
4
College of Water Resources and Architectural Engineering, The Northeast Agricultural University, Harbin 150030, China
*
Author to whom correspondence should be addressed.
Received: 18 March 2018 / Revised: 3 May 2018 / Accepted: 10 May 2018 / Published: 17 May 2018
(This article belongs to the Special Issue Groundwater Contamination and Remediation)
View Full-Text   |   Download PDF [1800 KB, uploaded 17 May 2018]   |  

Abstract

The effects of heat on physical and hydraulic properties of oil shale were investigated. The porosity and water absorption of oil shale increased with increasing pyrolysis temperature. The porosity increased by 19.048% and water absorption increased by 0.76% when oil shale was heated to 500 °C. Thus, originally impermeable oil shale was converted to a permeable rock formation, facilitating interactions between surrounding groundwater and oil. Heated oil shale was immersed in water, which showed strong alkaline properties. The content of Ca2+ remained stable and a slight decrease in SO42− content was observed. Hydrocarbon content in the water samples reached maximum concentration within three days. View Full-Text
Keywords: oil shale; in-situ exploitation; aquifer systems; immersion test oil shale; in-situ exploitation; aquifer systems; immersion test
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Hu, S.; Xiao, C.; Jiang, X.; Liang, X. Potential Impact of In-Situ Oil Shale Exploitation on Aquifer System. Water 2018, 10, 649.

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