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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2002  >  24(2): 147-151
LIU Quanyou, LIU Wenhui, QIN Shengfei, WANG Wanchun, GAO Bo. GAS-GENERATING CHARACTERISTICS OF COAL ROCK AND ITS MARCERAL IN THERMAL SIMULATION[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2002, 24(2): 147-151. doi: 10.11781/sysydz200202147
Citation: LIU Quanyou, LIU Wenhui, QIN Shengfei, WANG Wanchun, GAO Bo. GAS-GENERATING CHARACTERISTICS OF COAL ROCK AND ITS MARCERAL IN THERMAL SIMULATION[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2002, 24(2): 147-151. doi: 10.11781/sysydz200202147
shu

GAS-GENERATING CHARACTERISTICS OF COAL ROCK AND ITS MARCERAL IN THERMAL SIMULATION

doi: 10.11781/sysydz200202147
  • 1.

    State Key Labor atory of Gas Geochemistry, Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China

  • 2. Research Institute of Petroleum Exploration and Development Sciences, CNPC, Beijing 100083, China

  • Received Date: 2001-01-02
  • Rev Recd Date: 2002-03-05
  • Publish Date: 2002-03-25
    Abstract
  • The coal rock and its marceral six series of samples were conducted a thermal simulation experiment.The temperature was programmed from 250 to 550℃ with a temperature step of 50℃.The gas products were analyzed systematically.The results show that the gas production rate is increasing with temperature for the coal rock and its marceral,is varied at the same temperature for different simulated material,and is different under various temperature for the same simulated material.It is also revealed that the vitrinite and exinite have stronger gas potential,the gas production of the fusinite and semifusinite is very low,and the bulk coal samples display the synthetic hydrocarbon-generating effects of each marceral.CO2 and N2 make up larger percentage in the gas products mainly within low temperature bands.

     

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