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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2012  >  34(2): 167-172
Wang Juan, Li Xianqing, Wang Guangli, Yang Yunfeng, Zhao Pei, Kong Longxi. Organic petrologic characteristics of hydrocarbon source rocks in Majiang-Kaili area, southeastern Guizhou[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(2): 167-172. doi: 10.11781/sysydz201202167
Citation: Wang Juan, Li Xianqing, Wang Guangli, Yang Yunfeng, Zhao Pei, Kong Longxi. Organic petrologic characteristics of hydrocarbon source rocks in Majiang-Kaili area, southeastern Guizhou[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(2): 167-172. doi: 10.11781/sysydz201202167
shu

Organic petrologic characteristics of hydrocarbon source rocks in Majiang-Kaili area, southeastern Guizhou

doi: 10.11781/sysydz201202167
  • 1.

    State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Beijing 100083, China

  • 2. College of Geosciences and Surveying Engineering, China University of Mining and Technology, Beijing 100083, China

  • 3. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China

  • 4. College of Geosciences, China University of Petroleum, Beijing 102249, China

  • 5. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

  • Received Date: 2011-06-29
  • Rev Recd Date: 2012-02-16
  • Publish Date: 2012-03-28
    Abstract
  • By means of whole-rock analysis of organic petrology,the maceral composition,hydrocarbon-generating maceral and thermal evolution of organic matter of hydrocarbon source rocks in Majiang-Kaili area of the southeastern Guizhou province have been studied.The source rock samples from this region mainly include 3 types: bitumen-bearing carbonates,mudstones and coals.The maceral contents of these source rocks vary according to their different samples,showing obviously heterogeneity.The total maceral contents (TMC) of the bitumen-bearing carbonates,mudstones and coals are 0.8%-13.6%,1.4%-9.4%,and over 70%,respectively.The hydrogen-rich macerals of these hydrocarbon source rocks are mainly composed of exinite,asphalt group,secondary organic matter and mineral bituminous groundmass.It is suggested that sporinite,liptodetrinite,bitumen and mineral bituminous groundmass are the main hydrocarbon-generating macerals in this region.Thermal evolution level of organic matter in these hydrocarbon source rocks are among the mature and over-mature stage,with the equivalent vitrinite reflectance (Ro) of 0.674%-2.659%.

     

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