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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2007  >  29(1): 88-94
Liu Quanyou, Liu Wenhui, Wang Xiaofeng, Wang Wanchun. COMPARISONS OF GEOCHEMICAL METHODS FOR ASSESSMENT OF HYDROCARBON-GENERATING POTENTIAL[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(1): 88-94. doi: 10.11781/sysydz200701088
Citation: Liu Quanyou, Liu Wenhui, Wang Xiaofeng, Wang Wanchun. COMPARISONS OF GEOCHEMICAL METHODS FOR ASSESSMENT OF HYDROCARBON-GENERATING POTENTIAL[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(1): 88-94. doi: 10.11781/sysydz200701088
shu

COMPARISONS OF GEOCHEMICAL METHODS FOR ASSESSMENT OF HYDROCARBON-GENERATING POTENTIAL

doi: 10.11781/sysydz200701088
  • 1.

    Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China

  • 2. Exploration & Production Research Institute, SINOPEC, Beijing 100083, China

  • 3. Key Laboratory of Gas Geochemistry, Chinese Academy of Sciences, Lanzhou, Gans

  • Received Date: 2006-03-19
  • Rev Recd Date: 2006-12-06
  • Publish Date: 2007-01-28
    Abstract
  • In this context,on the basis of comparison of three geochemical methods for assessment of source rocks,Rock-Eval pyrolysis,H/C ratio and hydrous pyrolysis,the hydrocarbon-generating potential of the low-mature coal in the Manjiaer sag,Tarim Basin,was determined.The compared results show that the potential of hydrocarbon-generating obtained by H/C ratio is similar with that by hydrous pyrolysis.The yields of hydrocarbon-generation based on the methods of H/C ratio and hydrous pyrolysis are 9.62 and 9.72 mg/g,respectively.In contrast,the yield of hydrocarbon formation is 32.75 mg/g by using method of Rock-Eval pyrolysis,higher than those obtained by the other two methods.It is provided the maximum yield of hydrocarbon generation for Rock-Eval pyrolysis,whereas the effective expelling of hydrocarbons will be obtained by H/C ratios and hydrous pyrolysis.Therefore,it would be necessary for hydrocarbon source assessment to use the geochemical method based on the special regions and aims.

     

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