The Controlling Law of Hydrodynamic Conditions andCoalbed Methane of Main Aquifers in Hedong Coalfield

LIAN Hui-qing，YIN Shang-xian,LI Xiao-ming,SUN Hong-tao

doi:10.11764/j.issn.1672-1926.2013.02.252

Natural Gas Geoscience >

2013 , Vol. 24 >Issue 2: 252 - 258

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.02.252

The Controlling Law of Hydrodynamic Conditions andCoalbed Methane of Main Aquifers in Hedong Coalfield

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1.North China Institute of Science and Technology,Yanjiao 065201,China；
2.China University of Mining and Technology,Beijing 100083,China;3.China Forestry University,Beijing 100083,China

Received date: 2012-06-14

Revised date: 2012-08-21

Online published: 2013-04-10

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Abstract

In this paper,take the direct aquifer of the main mining coal seams in the Hedong coalfield as a research target,select ground water level,salinity,water inflow as three index to characterize the hydrodynamic conditions,runoff intensity of groundwater circulation and water richness of aquifer,detailed discussion on the role of hydrodynamic conditions of main aquifer on the coalbed methane reservoir in this area have been carried out.The law of controlling factors of hydrodynamic field on gas shows: the central and southern regions are favorable area for the enrichment and accumulation of coalbed methane（CBM）.Based on this,the correlation between this law and the measured gas-bearing property of coalbed has been analyzed.The measured gas-bearing property of coalbed can be used to verify the conclusions by the law.Using drilling data,the CBM advantage mining regions of Shanxi and Taiyuan arquifers are predicted.They are divided into three and five districts,respectively.The most favorable area of Shanxi Formation is near 356^# and 343^# drilling wells,and the favorable area of Taiyuan Formation near 311^# and 359^# drilling wells.

Key words： Main aquifers; Hydrodynamic field; Controlling law; Advantage mining region

Cite this article

LIAN Hui-qing，YIN Shang-xian,LI Xiao-ming,SUN Hong-tao . The Controlling Law of Hydrodynamic Conditions andCoalbed Methane of Main Aquifers in Hedong Coalfield[J]. Natural Gas Geoscience, 2013 , 24(2) : 252 -258 . DOI: 10.11764/j.issn.1672-1926.2013.02.252

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