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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2004  >  26(1): 40-46
ZHOU Dong-sheng, LIU Guang-xiang, YE Jun, JIA Cun-sha. STUDY ON THE MECHANISMS FOR PRESERVING ANOMALOUSLY HIGH POROSITY IN DEEP BURIED SANDSTONE RESERVOIRS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2004, 26(1): 40-46. doi: 10.11781/sysydz200401040
Citation: ZHOU Dong-sheng, LIU Guang-xiang, YE Jun, JIA Cun-sha. STUDY ON THE MECHANISMS FOR PRESERVING ANOMALOUSLY HIGH POROSITY IN DEEP BURIED SANDSTONE RESERVOIRS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2004, 26(1): 40-46. doi: 10.11781/sysydz200401040
shu

STUDY ON THE MECHANISMS FOR PRESERVING ANOMALOUSLY HIGH POROSITY IN DEEP BURIED SANDSTONE RESERVOIRS

doi: 10.11781/sysydz200401040
  • 1.

    China University of Geosciences, Beijing 100083, China

  • 2. Wuxi Research Institute of Experimental Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

  • 3. Southwest Bureau of Petroleum, SINOPEC, Chengdu, Sichuan 610081, China

  • Received Date: 2003-10-10
  • Rev Recd Date: 2004-01-08
  • Publish Date: 2004-01-25
    Abstract
  • Following up the late progresses on deeply buried sandstone in overseas petroliferous basins, and based on the origin and controlled factors of anomalously high porosity in deep burial reservoirs, the authors discussed, taking the Chuanxi sag in Sichuan basin for the best scenario, that the preserving mechanisms of intergranular porosity in mid to deep burial sandstone intervals, and indicated that the primary conservation mechanisms of intergranular porosity in Shaximiao formation are as follows: development of chlorite coating, early petroleum emplacement and shallow development of fluid overpressure.

     

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