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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2017  >  39(S1): 40-43
Wang Dan, Zhao Ruiming, Cui Maolei, Zhang Xiaoyu, Wang Na. Solubility of CO2 in crude oil and high-salinity formation water under high temperature and high pressure: Taking the Triassic reservoirs in a certain area of Tahe oilfield as an example[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2017, 39(S1): 40-43. doi: 10.11781/sysydz2017S1040
Citation: Wang Dan, Zhao Ruiming, Cui Maolei, Zhang Xiaoyu, Wang Na. Solubility of CO2 in crude oil and high-salinity formation water under high temperature and high pressure: Taking the Triassic reservoirs in a certain area of Tahe oilfield as an example[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2017, 39(S1): 40-43. doi: 10.11781/sysydz2017S1040
shu

Solubility of CO2 in crude oil and high-salinity formation water under high temperature and high pressure: Taking the Triassic reservoirs in a certain area of Tahe oilfield as an example

doi: 10.11781/sysydz2017S1040
  • 1.

    Research Institute of Exploration & Production, SINOPEC Northwest Company, Urumqi, Xinjiang 830011, China

  • 2. SINOPEC Petroleum Exploration & Production Research Institute, Beijing 100083, China

  • Received Date: 2017-07-08
  • Rev Recd Date: 2017-10-23
  • Publish Date: 2017-11-15
    Abstract
  • The solubility of CO2 in the presence of high-salinity formation water, crude oil and unsaturated oil-water system was tested at 110℃ and 50 MPa by using a self-developed high temperature and high pressure CO2 solubility measurement device. The experimental results showed that the formation water dissolved carbon dioxide gas amount of 26.5 m3/m3, and that of compound crude oil was about 134 m3/m3. When the oil/water volume ratio was 1:1, the partition coefficient of injected CO2 in oil and water was about 9.23.

     

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