Lattice Boltzmann Modeling of the Apparent Viscosity of Thinning–Elastic Fluids in Porous Media

Xie, Chiyu; Balhoff, Matthew T.

doi:10.1007/s11242-021-01544-y

Cited by 14 publications

(1 citation statement)

References 57 publications

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“…Moreover, the affecting factors on the critical frequency of the optimal EOR are unclarified. Even though at the same residual oil saturation, the critical frequency varies as the surface tension between oil and water and oil viscosity alters [32,33].…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigation on EOR in Porous Media by Cyclic Water Injection with Vibration Frequency

Yang

Lao

Tong

et al. 2022

Water

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Water injection with an oscillatory pressure boundary is a promising technology, which can achieve a more economical and environment-friendly EOR (enhanced oil recovery). However, due to the unclear critical injection frequency, its oil production performance has been unstable and is far from reaching the optimal level. Here, a numerical model is established for oil recovery by the water injection with the oscillatory boundary condition to find out the critical frequency for the optimal EOR. The correlations between the water injection frequency and the EOR level at diverse oil–water surface tensions and oil viscosities are integrated into the model. Our numerical model reveals that an optimal EOR of roughly 10% is achieved at the critical water injection frequency compared with water injection without an oscillatory boundary. The EOR mechanism is revealed showing that upon water injection with the optimum frequency, the formation of the preferential pathways is inhibited and the pressure transmits to the wall sides to displace the oil. Moreover, it is indicated that the required critical frequency increases with higher surface tension and larger oil viscosity. In addition, the difference between the residual oil saturation at the optimal frequency increases with the increase in surface tension compared with water injection without an oscillatory boundary. Last but not least, it is elucidated that at a constant injection frequency, a higher EOR is achieved when the water–oil surface tension is lower but the oil viscosity is larger. Our work promises economic, eco-friendly and controllable enhanced oil recovery.

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Section: Introductionmentioning

confidence: 99%

Numerical Investigation on EOR in Porous Media by Cyclic Water Injection with Vibration Frequency

Yang

Lao

Tong

et al. 2022

Water

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A review of crude oil emulsification and multiphase flows in chemical flooding

Yazhou

Yin

et al. 2022

Energy Science & Engineering

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Chemical flooding has become an important method to enhance oil recovery in high‐water cut reservoirs. Crude oil emulsification often occurs during chemical flooding, and it plays a very positive role in increasing crude oil production. Crude oil emulsification increases the complexity of fluid flow in the reservoir including multifield coupling characteristics and multiphase flow and multiphase form characteristics. This paper discusses advanced research techniques and the status of multiphase fluid flows in chemical flooding, including the interfacial rheological properties of emulsions, physical simulation of emulsion seepage, and mathematical models and numerical simulations of seepage. Studies on the mechanism of seepage have analyzed the macroscopic and microscopic aspects of seepage during chemical flooding. Prospective directions for future research are indicated including the study of the interfacial rheological characteristics of emulsions, methods for the evaluation of the seepage characteristics of chemical flooding, and mathematical models of multiphase seepage during chemical flooding.

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Experimental Study of the Effects of Non-Newtonian Polymers on Fracture Opening and Leakoff Patterns

Song

Espinoza

et al. 2022

Rock Mech Rock Eng

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Lattice Boltzmann Modeling of the Apparent Viscosity of Thinning–Elastic Fluids in Porous Media

Cited by 14 publications

References 57 publications

Numerical Investigation on EOR in Porous Media by Cyclic Water Injection with Vibration Frequency

Numerical Investigation on EOR in Porous Media by Cyclic Water Injection with Vibration Frequency

A review of crude oil emulsification and multiphase flows in chemical flooding

Experimental Study of the Effects of Non-Newtonian Polymers on Fracture Opening and Leakoff Patterns

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