Modeling multiphase non-Newtonian polymer flow in IPARS parallel framework

Changli Yuan; Mojdeh Delshad; Mary F. Wheeler; Changli Yuan; Mojdeh Delshad; Mary F. Wheeler

doi:10.3934/nhm.2010.5.583

Networks and Heterogeneous Media

2010, Volume 5, Issue 3: 583-602. doi: 10.3934/nhm.2010.5.583

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Modeling multiphase non-Newtonian polymer flow in IPARS parallel framework

1.
Center for Subsurface Modeling, The University of Texas at Austin, Austin, TX 78712

Received: 01 January 2010 Revised: 01 April 2010
Primary: 76A05, 76S05, 65Y05; Secondary: 80A50.

With the depletion of oil reserves and increase in oil price, enhanced oil recovery methods such as polymer flooding to increase oil production from waterflooded fields are becoming more attractive. Effective design of these processes is challenging because the polymer chemistry has a strong effect on reaction and fluid rheology, which in turn has a strong effect on fluid transport. Polymer flow characteristics modeled in the UT-Austin IPARS (Integrated Parallel Accurate Reservoir Simulator) are adsorption on rock surfaces, polymer viscosity as a function of shear rate, polymer and electrolytes concentrations, permeability reduction, and inaccessible pore volume. A time-splitting algorithm is used to "independently" solve advection, diffusion/dispersion, and chemical reactions.
- Polymer flooding,
- Non-Newtonian fluid,
- Coupling flow and chemistry,
- Parallel computation
Citation: Changli Yuan, Mojdeh Delshad, Mary F. Wheeler. Modeling multiphase non-Newtonian polymer flow in IPARS parallel framework[J]. Networks and Heterogeneous Media, 2010, 5(3): 583-602. doi: 10.3934/nhm.2010.5.583

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Abstract

With the depletion of oil reserves and increase in oil price, enhanced oil recovery methods such as polymer flooding to increase oil production from waterflooded fields are becoming more attractive. Effective design of these processes is challenging because the polymer chemistry has a strong effect on reaction and fluid rheology, which in turn has a strong effect on fluid transport. Polymer flow characteristics modeled in the UT-Austin IPARS (Integrated Parallel Accurate Reservoir Simulator) are adsorption on rock surfaces, polymer viscosity as a function of shear rate, polymer and electrolytes concentrations, permeability reduction, and inaccessible pore volume. A time-splitting algorithm is used to "independently" solve advection, diffusion/dispersion, and chemical reactions.
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