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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2015  >  37(3): 402-406
Yu Lingjie, Fan Ming, Jiang Qigui, Tang Qi, Zhang Wentao, Su Xiangwei. Optimization of shale gas desorption method in field[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(3): 402-406. doi: 10.11781/sysydz201503402
Citation: Yu Lingjie, Fan Ming, Jiang Qigui, Tang Qi, Zhang Wentao, Su Xiangwei. Optimization of shale gas desorption method in field[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(3): 402-406. doi: 10.11781/sysydz201503402
shu

Optimization of shale gas desorption method in field

doi: 10.11781/sysydz201503402
  • 1.

    Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

  • 2. SINOPEC Key Laboratory of Petroleum Accumulation Mechanisms, Wuxi, Jiangsu 214126, China

  • 3. SINOPEC Exploration Southern Company, Chengdu, Sichuan 610041, China

  • 4. Research Institute of Petroleum Exploration and Development, Jianghan Oilfield Company, SINOPEC, Wuhan, Hubei 430223, China

  • Received Date: 2015-02-11
  • Rev Recd Date: 2015-04-02
  • Publish Date: 2015-05-28
    Abstract
  • This paper optimized conventional shale gas desorption method by applying 110 ℃ as second stage desorption temperature with self-designed smart desorption apparatus. The proposed rapid method largely increased efficiency by reducing desorption time from more than 40 h to 8 h approximately and avoiding residual gas test. Water steam blocking problem was avoided by using "T" type bronze condensation tube and quartz sand filling. Six group of shale samples were selected to compare rapid and conventional desorption method. The result showed that the data difference was smaller than 0.15 m3/t mainly from heterogeneity. In addition, the result of shale gas content exhibited the same trend as well logging. The study shows that the rapid method could obtain reliable results with high efficiency and could meet the demand of intensive tests to improve accuracy of resources estimate.

     

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