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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2005  >  27(2): 194-196
Wang Hongyan, Liu Honglin, Sun Yu, Li Guizhong, Li Jun. A TECHNIQUE FOR DYNAMIC POOL-FORMING SIMULATION OF COALBED GAS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2005, 27(2): 194-196. doi: 10.11781/sysydz200502194
Citation: Wang Hongyan, Liu Honglin, Sun Yu, Li Guizhong, Li Jun. A TECHNIQUE FOR DYNAMIC POOL-FORMING SIMULATION OF COALBED GAS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2005, 27(2): 194-196. doi: 10.11781/sysydz200502194
shu

A TECHNIQUE FOR DYNAMIC POOL-FORMING SIMULATION OF COALBED GAS

doi: 10.11781/sysydz200502194
  • 1.

    Langfang Branch, Research Institute of of Petroleum Exploration and Development, PetroChina, Langfang, Hebei 065007, China

  • 2. Liaoning Coal Mine Supervising Bureau, Jinzhou, Liaoning 121013, China

  • 3. Huabei Oilfield, Langfang, Hebei 065007, China

  • Received Date: 2004-10-22
  • Rev Recd Date: 2005-01-20
  • Publish Date: 2005-03-25
    Abstract
  • Based on the high-temperature and high-pressure core analysis technique, considering the adsorption and desorption characters of coalbed gas and combined with the pool-forming simulation technique of conventional natural gas, a pool-forming simulation instrument of coalbed gas was set up. By this instrument, the major factors affecting coalbed gas preservation, such as the effects of systematic temperature and pressure changes, the diffusion, migretion and dispersion of free gas, the effects of different hydrodynamics and the dissolution of formation water to coalbed gas, were determined. Through quantitative analyses and grade classification, a pool-forming model of coalbed gas was established.

     

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