Wei Fenliang, Ouyang Rui, Xiao Bin, Zhong Ningning, Luo Qingyong, Han Hui, Qi Lin, Fu Xiaoning, Zhang Yi. Correlation of oil and source in well Zhunbao 1, Gerileaodou Sag, Erlian Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(1): 78-83. doi: 10.11781/sysydz201201078
Citation: Wei Fenliang, Ouyang Rui, Xiao Bin, Zhong Ningning, Luo Qingyong, Han Hui, Qi Lin, Fu Xiaoning, Zhang Yi. Correlation of oil and source in well Zhunbao 1, Gerileaodou Sag, Erlian Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2012, 34(1): 78-83. doi: 10.11781/sysydz201201078

Correlation of oil and source in well Zhunbao 1, Gerileaodou Sag, Erlian Basin

doi: 10.11781/sysydz201201078
  • Received Date: 2011-02-15
  • Rev Recd Date: 2011-12-16
  • Publish Date: 2012-01-28
  • Source rocks of the Alatanheli Group of Jurassic in well Zhunbao 1 in the Gerileaodou Sag of the Erlian Basin have been studied.Ro ranges from 0.58% to 0.67% with the average value of 0.63% and Tmax is over 435℃ in average,indicating low-mature and mature stages for hydrocarbon generation.Pr/Ph ranges from 0.39 to 5.24 and the average value is 1.62,indicating reducing environment.Gammacerane/C30αβ hopane ranges from 0.07 to 1.45 with the average value of 0.37,proving that the source rocks deposited in lacustrine bog of sweet and brackish water.C29/C27ααα20R sterane is over 1,proving that the source rocks originated from both lower creature and advanced plant,and the advanced plant contributed more than the lower creature.Comparisons of geochemical features have been made between source rock and crude oil,indicating that the crude oil in well Zhunbao 1 originated from source rocks in the Alatanheli Group.The Alatanheli Group is the key exploration target in the Erlian Basin.

     

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