Volume 36 Issue 2
Apr.  2008
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TIAN Min, ZHAO Yong-jun, ZHUANSUN Peng-cheng. Application of grey system theory in prediction of coalbed methane content[J]. COAL GEOLOGY & EXPLORATION, 2008, 36(2): 24-27.
Citation: TIAN Min, ZHAO Yong-jun, ZHUANSUN Peng-cheng. Application of grey system theory in prediction of coalbed methane content[J]. COAL GEOLOGY & EXPLORATION, 2008, 36(2): 24-27.
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Application of grey system theory in prediction of coalbed methane content

  • 1. College of Geo-resources and Information, China University of Petroleum, Dongying 257061, China;

  • 2. Drilling Engineering Technology Company of Shengli Oilfield, Dongying 257064, China

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  • Received Date: July 24, 2007
  • Available Online: March 10, 2023
    Graphical Abstract
    • Abstract
  • The coalbed methane content is a quantitative index of the gas-bearing property of the coal seams af-fected by many factors.Taking Jingcheng mining area as an example this paper analyzed the incidence degree be-tween the factors affecting coalbed methane content by adopting an improved slope degree of grey incidence in the research area.Moreover,this paper systematically predicted the coalbed methane content affected by several fac-tors adopting multiple-factors static grey model.Comparing GM(0,N) model with regression analysis,it can be proved the advantage of grey model in the case of less data.Therefore,it further proved that the way of establishing the five main factors affecting the coalbed methane content by adopting an improved slope degree of grey incidence is trustworthy.GM(0,N) model needing fewer data can be easily calculated and have a simple theory and higher precision.
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