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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2018  >  40(3): 431-438
LIU Yao, RONG Yuanshuai, YANG Min. Detailed classification and evaluation of reserves in fracture-cavity units for carbonate fracture-cavity reservoirs[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(3): 431-438. doi: 10.11781/sysydz201803431
Citation: LIU Yao, RONG Yuanshuai, YANG Min. Detailed classification and evaluation of reserves in fracture-cavity units for carbonate fracture-cavity reservoirs[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(3): 431-438. doi: 10.11781/sysydz201803431
shu

Detailed classification and evaluation of reserves in fracture-cavity units for carbonate fracture-cavity reservoirs

doi: 10.11781/sysydz201803431
  • 1.

    Exploration & Development Research Institute, Northwest Oilfield Branch, SINOPEC, Urumqi, Xinjiang 830011, China

  • 2. Natural Gas Research Institute, Southwest Oil and Gas Field Branch, CNPC, Chengdu, Sichuan 610213, China

  • Received Date: 2017-09-02
  • Rev Recd Date: 2018-03-16
  • Publish Date: 2018-05-28
    Abstract
  • The previous classification and evaluation results of proven reserves of carbonate fracture-cavity reservoirs cannot meet the needs of detailed reservoir development and oil recovery improvement. Based on the identification of fracture and cavity, using both static and dynamic methods, we proposed a method for the detailed classification and evaluation of reserves in fracture-cavity units in view of the conditions of reserve effective controlling and producing. The reserves of fracture-cavity units were classified into uncontrolled, well controlled but unconnected, connected but difficult-to-produce, and connected and easy-to-produce reserves. The results were applied to a comprehensive strategy such as completed well deployment, injection-production adjustment and flow channel adjustment, which effectively improved production efficiency and development effect.

     

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