Unified fracture network model (UFNM) for unconventional reservoirs simulation

Farah, N.; Delorme, Matthieu

doi:10.1016/j.petrol.2020.107874

Cited by 3 publications

(1 citation statement)

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“…However, this problem could be accurately solved using the MINC method (see Delorme et al, 2016;Farah et al, 2018;Ricois et al, 2016). Recently, Farah and Delorme (2020) proposed a Unified Fracture Network Model (UFNM) for unconventional reservoirs modeling. Thus, the UFNM's ability mimicking flow from irregular fracture networks while considering complex physical phenomena was analyzed and evaluated.…”

Section: Introductionmentioning

confidence: 99%

The MINC proximity function for fractured reservoirs flow modeling with non-uniform block distribution

Farah

Ghadboun

2021

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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Reservoir simulation is a powerful technique to predict the amount of produced hydrocarbon. After a solid representation of the natural fracture geometry, an accurate simulation model and a physical reservoir model that account for different flow regimes should be developed. Many models based on dual-continuum approaches presented in the literature rely on the Pseudo-Steady-State (PSS) assumption to model the inter-porosity flow. Due to the low permeability in such reservoirs, the transient period could reach several years. Thus, the PSS assumption becomes unjustified. The numerical solution adopted by the Multiple INteracting Continua (MINC) method was able to simulate the transient effects previously overlooked by dual-continuum approaches. However, its accuracy drops with increasing fracture network complexity. A special treatment of the MINC method, i.e., the MINC Proximity Function (MINC–PF) was introduced to address the latter problem. And yet, the MINC–PF suffers a limitation that arises from the existence of several grid-blocks within a studied cell. In this work, this limitation is discussed and two possible solutions (transmissibility recalculation/adjusting the Proximity Function by accounting for nearby fractures) are put forward. Both proposed methods have demonstrated their applicability and effectiveness once compared to a reference solution.

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