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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2007  >  29(6): 589-592
Rao Dan, Ma Xujie, Jia Cunshan, Jiang Xiaoqiong. FRACTURE-CAVE SYSTEM AND PETROLEUM DISTRIBUTION IN ORDOVICIAN IN MAIN REGION OF TAHE OIL FIELD[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(6): 589-592. doi: 10.11781/sysydz200706589
Citation: Rao Dan, Ma Xujie, Jia Cunshan, Jiang Xiaoqiong. FRACTURE-CAVE SYSTEM AND PETROLEUM DISTRIBUTION IN ORDOVICIAN IN MAIN REGION OF TAHE OIL FIELD[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(6): 589-592. doi: 10.11781/sysydz200706589
shu

FRACTURE-CAVE SYSTEM AND PETROLEUM DISTRIBUTION IN ORDOVICIAN IN MAIN REGION OF TAHE OIL FIELD

doi: 10.11781/sysydz200706589
  • 1.

    Wuxi Research Institute of Petroleum Geology, Research Institute of Petroleum Exploration and Production, SINOPEC, Wuxi, Jiangsu 214151, China

  • 2. Research Institute of Petroleum Exploration and Production, Northwest Branch Company, SINOPEC, Urumqi, Xinjiang 830011, China

  • Received Date: 2007-03-08
  • Rev Recd Date: 2007-09-30
  • Publish Date: 2007-11-28
    Abstract
  • Macroscopic tectonic evolution and microscopic fluid geochemistry studies have proved that,petroleum distribution in the Tahe Oil Field is controlled by tectonic framework formed by combination of early and late Hercynian movements.Superposition of ancient structures controls generation of palaeo-geomorphology and fracture.Generation of palaeo-geomorphology and fracture controls ancestral rive orientation and erosion depth.They are the main controlling factors of karst effect.Especially in the superposition of ancient structure formed during late Hercynian and axle of the Akekule Uplift,karst and fracture generate in large scale.Commonly-found large angle fractures connect caves into large reserve,resulting in horizontal division of large fracture-cave system in main region of the field.Based on fluid heterogeneity and macroscopic tectonic evolution analysis in Ordovician in main region of the Tahe Oil Field,2 large and 1 middle-small fracture-cave systems are divided.

     

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