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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2015  >  37(5): 654-659
Wang Jun, Meng Xiaohai, Wang Weimin, Liu Naigui. 2D NMR distribution function for microscale remaining oil[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(5): 654-659. doi: 10.11781/sysydz201505654
Citation: Wang Jun, Meng Xiaohai, Wang Weimin, Liu Naigui. 2D NMR distribution function for microscale remaining oil[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2015, 37(5): 654-659. doi: 10.11781/sysydz201505654
shu

2D NMR distribution function for microscale remaining oil

doi: 10.11781/sysydz201505654
  • 1.

    Exploration and Development Institute, SINOPEC Shengli Oilfield Company, Dongying, Shandong 257015, China

  • 2. Peking University, Beijing 100871, China

  • 3. Institute of Geology, Chinese Academy of Sciences, Beijing 100029, China

  • Received Date: 2014-04-10
  • Rev Recd Date: 2015-07-10
  • Publish Date: 2015-09-28
    Abstract
  • The effective distinction between oil and water in porousmedia is a difficult problem to solve in research on microscale remaining oil.Since a NMR relaxation time spectrum can accurately measure fluid saturation in porous media, we can apply it to this research by introducing a new parameter: diffusion coefficient, which can solve the problem of the quantitative distinction between oil and water.At the same time, the problem of the missing components in high viscous oil measurement has been completely solved through improving equipment, optimizing the calculation method and establishing the stimulated echo bipolar pulse gradient.As a result, the technology can fully meet the demand of microscale remaining oil research, which provides a new experimental technique for the quantitative characterization of this remaining oil.

     

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