MULTIPHASE FLUID FLOW MODELLING IN POROUS MEDIUM WITH CONTACT ANGLE VARIATION USING FINITE VOLUME METHOD

• Main Author: GIOVANNI (NIM: 10213069), REINALDO
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/23875
• Institution: Institut Teknologi Bandung

In a reservoir, necessary to know some physical parameter data, one of which is the relative permeability. The most commonly used method for core analyze is Special Core Analysis (SCAL). For the core analysis, there is a new method under development. A method of research and testing of reservoir rock samples based on digital data, there is Digital Rock Physics (DRP). In the case of multiphase fluid flow, there are parameters that affect the system is the contact angle. The contact angle is predicted to affect the relative permeability value of the reservoir rock. On this research, will do the multiphase fluid flow simulation with a variation of the contact angle between rocks with fluid on sample Berea sandstone. The method used is the Finite Volume Method (FVM). Finite Volume is a method which in principle integrates the equations governing fluid flow (Navier-Stokes) along the control volume. In this Final Project simulation of multiphase fluid system with variation of fluid contact angle wetting is 0o,15o,30o, and 45o . The first simulation (static droplet) found that the Finite Volume Method illustrate well and clearly the effect of the difference of contact angle. The result of multiphase flow simulation in the 2D pipe is found that the smaller the contact angle of wetting fluid, the easier the non-wetting fluid flows. For multiphase fluid flow simulation in Berea sandstone with the variation of contact angle, we get relative permeability value with variation of contact angle. The relative permeability graph of fluid wetting is different from the reference due to the pore complexity of the rock. The result obtained states that the greater the value of the contact angle, the relative permeability of the wetting fluid (water) (krw) will be greater, whereas the relative permeability value of the non-wetting (oil) (kro) will be smaller.