Lithologic Reservoirs ›› 2016, Vol. 28 ›› Issue (6): 36-44.doi: 10.3969/j.issn.1673-8926.2016.06.006

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Reservoir characteristics and controlling factors of Middle Triassic T2l43 in Longgang area

Long Yi1， Liu Shugen1， Song Jinmin1， Sun Wei1， Lin Tong2， Yu Yongqiang3   

  1. （1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation， Chengdu University of Technology， Chengdu 610059，China； 2. Downhole Operation Company， PetroChina Daqing Oilfield Company Ltd.， Daqing 163000， Heilongjiang，China； 3. College of Energy， Chengdu University of Technology， Chengdu 610059， China
  • Received:2016-07-15 Revised:2016-08-03 Online:2016-11-10 Published:2016-11-10

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Abstract: of gypsum rock in evaporative carbonate platform and sedimentation of gypsum, granular carbonate rocks controlled by paleo geomorphology in the carbonate platform, epigenic karstification and infilling after Indosinian tectonic uplift.The reservoir physical property is generally poor. Regionally, the reservoir characteristics in neighboring Yuanba area is similar to that in Longgang area, but it is different from that in the middle and southern West Sichuan Depression with the epigenic karstification decreases. As a result of eustatic movement, the reservoirs are controlled respectively by microbial reefs （beaches） and granular beaches in the middle and southern West Sichuan Depression

Key words: caven, spatial wavelet, critical width of amplitude, reflection amplitude

[1] Li Fanyi， Di Bangrang， Wei Jianxin， et al. Quantitative study of the effect of cavern width on reflection amplitude of migration section [J]. Lithologic Reservoirs, 2016, 28(5): 113-116.
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