Yu Qixiang, Wang Jinyi, Lu Qinghua, Cao Qian. THE DISTRIBUTION CHARACTER AND OVERLAPPING RELATIONSHIP BETWEEN URANIUM AND HEAVY CRUDE OIL IN CHEPAIZI UPLIFT OF THE JUNGGAR BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2010, 32(5): 428-433. doi: 10.11781/sysydz201005428
Citation: Yu Qixiang, Wang Jinyi, Lu Qinghua, Cao Qian. THE DISTRIBUTION CHARACTER AND OVERLAPPING RELATIONSHIP BETWEEN URANIUM AND HEAVY CRUDE OIL IN CHEPAIZI UPLIFT OF THE JUNGGAR BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2010, 32(5): 428-433. doi: 10.11781/sysydz201005428

THE DISTRIBUTION CHARACTER AND OVERLAPPING RELATIONSHIP BETWEEN URANIUM AND HEAVY CRUDE OIL IN CHEPAIZI UPLIFT OF THE JUNGGAR BASIN

doi: 10.11781/sysydz201005428
  • Received Date: 2010-02-09
  • Rev Recd Date: 2010-08-11
  • Publish Date: 2010-10-28
  • Chepaizi Uplift,a successive Hercynian paleo-uplift,is located in the western margin of the Junggar Basin,and it is a slope leaning to southeast.Quaternary,Dushanzi Formation,Taxihe Formation and Shawan Formation of Neogene,Anjihaihe Formation of Paleocene,Tugulu Group of Lower Cretaceous and Jurassic sedimentary overlap the Carboniferous volcanic rock.Through the analysis of the well drill data,log data and well test,a couple layers of uranium bearing sandstone are found,with the feature of high GR value,high GRSL value and low KTH value which are caused by high uranium content and mainly distribute in the sandstone and conglomerate in Shawan Formation and Taxihe formation,also in the sandstone in Tugulu Group,while heavy crude oil distributes in Jurassic,Tugulu Group and Shawan Formation.Uranium bearing sandstone mainly overlays the heavy crude oil reservoir,which is intently related to the groundwater character,and they distribute horizontally along Wells P1-P103-P602-P7-P2.

     

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