Development of a fully implicit approach with intensive variables for compositional reservoir simulation

Fernandes, Bruno Ramon Batista; Marcondes, Francisco; Sepehrnoori, Kamy

doi:10.1016/j.petrol.2018.05.039

Cited by 11 publications

(1 citation statement)

References 45 publications

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“…Subsequently, different simulators have been developed using various solution schemes to describe the reservoir characteristics during chemical EOR. While many approaches have been developed for modeling the fluid flow of black oil and compositional oils [13][14][15][16][17][18][19][20][21][22][23][24], modeling chemical EOR requires special phase behavior and fluid flow concepts, especially in cases where a microemulsion phase is present [25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

A Systemic Comparison of Physical Models for Simulating Surfactant–Polymer Flooding

Alhotan,

Batista Fernandes,

Delshad

et al. 2023

Energies

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Three different reservoir simulators that utilize both two-phase and three-phase microemulsion phase behavior models are used to model surfactant–polymer flooding to determine and compare their results. Different models are used in each simulator to describe the physical behavior of injected chemicals into the reservoir, which raises the need to benchmark their results. The physical behavior models of polymer and surfactant were constructed and verified on a 1D scale reservoir model and further verified in a 3D model. Finally, simulations were conducted in a field-scale reservoir containing 680,400 grids, where results were compared and analyzed. The 1D and 3D model results suggest an excellent match between the different simulators in modeling surfactant–polymer floods. In the case of the field-scale model, the simulators matched in terms of oil recovery and total volumes produced and injected, while having similar reservoir pressure profiles but with significant discrepancies in terms of injected and produced chemicals. These results indicate that despite the differences in the calculated injected and produced chemicals due to the different models in the simulators, the effect of surfactant–polymer floods on oil recovery, total injected and produced fluids, and average pressure profiles can be comparably modeled in all of the three simulators.

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