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Article Navigation >  Acta Sedimentologica Sinica  > 2008  >  26(5): 857-863

ZHANG Chang-chun. Low Mature Gas Generation and Kinetics in Qiudong Depression,  TurpanHami Basin[J]. Acta Sedimentologica Sinica, 2008, 26(5): 857-863.
Citation: ZHANG Chang-chun. Low Mature Gas Generation and Kinetics in Qiudong Depression,  TurpanHami Basin[J]. Acta Sedimentologica Sinica, 2008, 26(5): 857-863.
shu

Low Mature Gas Generation and Kinetics in Qiudong Depression,  TurpanHami Basin

  • The State Key Laboratory of Organic Geochemitry,Guangzhou Institute of Geochemitry,CAS,Guangdong 510640

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2008-10-10
  • The low temperature pyrolysis for coal and mudstone samples collected from Well AS1 in TurpanHami basin was carried out in the closed system with goldtube autovlaves. The initial kinetic parameters of dry and wet gases generation are calculated according to the pyrolysis data. Then the kinetic parameters of single activation energy are further optimized into Gaussian distribution of activation energies, which is better to fit empirical data. The optimized kinetic parameters are applied to modeling the early gas generation of Badaowan Formation in Qiudong subsag, TurpanHami basin, which shows that the modeling results match well with the geological process of early natural gas generation; the isothermal pyrolysis at low temperature is an effectual way to evaluate the early gas generation; the natural gas discovered in Qiudong subsag is closely associated with the source rocks of the Badaowan Formation.
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  • Received:  1900-01-01
  • Revised:  1900-01-01
  • Published:  2008-10-10

Low Mature Gas Generation and Kinetics in Qiudong Depression,  TurpanHami Basin

  • The State Key Laboratory of Organic Geochemitry,Guangzhou Institute of Geochemitry,CAS,Guangdong 510640
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2008-10-10

Abstract: The low temperature pyrolysis for coal and mudstone samples collected from Well AS1 in TurpanHami basin was carried out in the closed system with goldtube autovlaves. The initial kinetic parameters of dry and wet gases generation are calculated according to the pyrolysis data. Then the kinetic parameters of single activation energy are further optimized into Gaussian distribution of activation energies, which is better to fit empirical data. The optimized kinetic parameters are applied to modeling the early gas generation of Badaowan Formation in Qiudong subsag, TurpanHami basin, which shows that the modeling results match well with the geological process of early natural gas generation; the isothermal pyrolysis at low temperature is an effectual way to evaluate the early gas generation; the natural gas discovered in Qiudong subsag is closely associated with the source rocks of the Badaowan Formation.

ZHANG Chang-chun. Low Mature Gas Generation and Kinetics in Qiudong Depression,  TurpanHami Basin[J]. Acta Sedimentologica Sinica, 2008, 26(5): 857-863.
Citation: ZHANG Chang-chun. Low Mature Gas Generation and Kinetics in Qiudong Depression,  TurpanHami Basin[J]. Acta Sedimentologica Sinica, 2008, 26(5): 857-863.
shu

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