WU Shenghe, ZENG Jianhui, LIN Shuangyun, GUO Yanhua. INTERLAYER INTERFERENCE AND DIFFERENTIAL INJECTION OF HYDROCARBON INTO A TRAP[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2003, 25(3): 285-289. doi: 10.11781/sysydz200303285
Citation: WU Shenghe, ZENG Jianhui, LIN Shuangyun, GUO Yanhua. INTERLAYER INTERFERENCE AND DIFFERENTIAL INJECTION OF HYDROCARBON INTO A TRAP[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2003, 25(3): 285-289. doi: 10.11781/sysydz200303285

INTERLAYER INTERFERENCE AND DIFFERENTIAL INJECTION OF HYDROCARBON INTO A TRAP

doi: 10.11781/sysydz200303285
  • Received Date: 2001-11-28
  • Rev Recd Date: 2003-03-11
  • Publish Date: 2003-05-25
  • Through physical simulation experiments and the statistical analyses of practical data from oilfields,the authors intended to make a systematic analysis of the influence of reservoir interlayer heterogeneity on the differential injection of hydrocarbon into a trap in secondary migration.It put forth for the first time a concept of critical permeability grade ratio for hydrocarbon injection.In the process of hydrocarbon injection,interlayer interference led to the shielding action of high permeability zones on low-permeability ones,thus making hydrocarbon injection take place only within definite bounds of interlayer permeability grade ratio (or critical grade ratio).The lower permeability limit value of a reservoir has a good relationship of log-log positive correlation with the highest permeability of sandbody within the reservoir.

     

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