Effect of Fluid Flow Characteristics on Migration of Nano-Particles in Porous Media

  • Sourani S
  • Afkhami M
  • Kazemzadeh Y
  • et al.
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Abstract

Inter-particle and molecular forces are of most important forces\r<br />affecting fines migration. Investigating the impact of these types of forces\r<br />requires information about electrical properties of constitutive component and\r<br />Nano-sized solids. Surface potential is a well-known parameter, which can be\r<br />used to measure aforementioned forces. The force balance among electrical,\r<br />gravity, drag and buoyance forces tracing on a particle can be estimated using\r<br />fluid properties and physical properties of reservoir such as surface\r<br />potential, pore size distribution and fine size distribution. The task is to\r<br />set these forces at conditions that fine migration does not take place. This\r<br />paper investigates the impact of several parameters that could influence\r<br />pertinent forces. Effect of ionic strength of flowing fluid is taken into\r<br />account to evaluate Debye length that determines double layer forces. The\r<br />impact of injection rate on a parameter named erosion number is also studied. The results of this study show that how introducing salts and\r<br />injection rate can affect stability of fines on their locations.

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Sourani, S., Afkhami, M., Kazemzadeh, Y., & Fallah, H. (2014). Effect of Fluid Flow Characteristics on Migration of Nano-Particles in Porous Media. Geomaterials, 04(03), 73–81. https://doi.org/10.4236/gm.2014.43008

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