Analysis of water abundance characteristics of sandstone aquifer in Luohe Formation on the basis of ArcGIS

HOU Enke; LONG Tianwen; LIU Qingli; WANG Fei; FAN Zhigang

doi:10.3969/j.issn.1001-1986.2019.02.023

Volume 47 Issue 2

Apr. 2019

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COAL GEOLOGY & EXPLORATION > 2019 > 47(2): 151-156. > DOI: 10.3969/j.issn.1001-1986.2019.02.023

HOU Enke, LONG Tianwen, LIU Qingli, WANG Fei, FAN Zhigang. Analysis of water abundance characteristics of sandstone aquifer in Luohe Formation on the basis of ArcGIS[J]. COAL GEOLOGY & EXPLORATION, 2019, 47(2): 151-156. DOI: 10.3969/j.issn.1001-1986.2019.02.023

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Analysis of water abundance characteristics of sandstone aquifer in Luohe Formation on the basis of ArcGIS

1. College of Geology and Environment, Xi'an University of Science and Technology, Xi'an 710054, China;
2. Shaanxi Binchang Wenjiapo Mining Limited Company, Binzhou 713504, China

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National Natural Science Foundation of China(41472234)

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Received Date: August 13, 2018
Published Date: April 24, 2019

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Abstract

Aquifer water abundance evaluation is the prerequisite for coalmine water inflow prediction and water disaster prevention. Luohe aquifer is the roof of No.4 coal seam on panel 41 in Wenjiapo mine. Six main controlling factors of Luohe aquifer chosen to assess coal water abundance are aquifer thickness, porosity, moisture content, washing liquid consumption and apparent resistivity of upper and lower Luohe Formation. Analytic hierarchy process(AHP) has been used to determine the weight of each control factor. Based on ArcGIS numerical visualization platform, the vector maps of factors are normalized and superimposed, and then water abundance evaluation model of aquifer based on multifactor has been built and applied in panel 41. Comparing the prediction results to unit discharge of water in the borehole and discharge data, it shows that the prediction results by model application match the field data. The model could provide a powerful basis to water abundance assessment of Luohe Formation aquifer in Binchang coalfield.
- Luohe aquifer,
- analytic hierarchy process,
- water abundance assessment,
- water rich evaluation model,
- Wenjiapo mine

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