Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures

Suri, Yatin; Islam, Sheikh Zahidul; Hossain, Mamdud

doi:10.1016/j.jngse.2020.103401

Cited by 39 publications

(16 citation statements)

References 26 publications

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“…Huitt (1956) and Wahl and Campbell (1963) highlighted that in regions of turbulent flow roughness effects become prominent. Additionally, as suggested by Liu et al (2005); Huang et al (2019); Suri et al (2019Suri et al ( , 2020a, there is a significant difference between proppant movement in a smooth vertical fracture compared to in a rough one, which affects the final settling and bank location. Liu et al (2005) demonstrated how much wall roughness retards particles velocity.…”

Section: Wall Effectmentioning

confidence: 95%

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A review on proppant transport modelling

Dias

Chen

2021

Journal of Petroleum Science and Engineering

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Section: Wall Effectmentioning

confidence: 95%

“…It is worth to note that besides the small width, wall roughness also impacts proppant transport (Huitt, 1956;Wahl and Campbell, 1963;Suri et al, 2020a). Huitt (1956) and Wahl and Campbell (1963) highlighted that in regions of turbulent flow roughness effects become prominent.…”

Section: Wall Effectmentioning

confidence: 97%

A review on proppant transport modelling

Dias

Chen

2021

Journal of Petroleum Science and Engineering

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“…The influences of rock surface roughness are still controversial. Bayat et al (2014) believed that NPs may easily trapped by irregular dents and bumps, but Zhou et al (2021) and Suri et al (2020) suggested that the increases in energy loss, turbulence might promote NP migration in facture center rather than deposition in grooves.…”

Section: Influencial Factorsmentioning

confidence: 99%

Nanoparticles as Depressurization and Augmented Injection Agents to Facilitate Low Permeability Reservoir Exploitation: Potentials and Risks

Chen

Zhong

2022

Front. Energy Res.

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“…A dimension reduction strategy coupled with the Eulerian-Eulerian method is used to investigated the proppant transportation in filed scale by Hu et al [1]. Suri et al [22] investigated the proppant transport in fracture roughness and found the roughness of fractures can provide an additional force for proppant transport in fractures for a long distance. Baldini et al used the CFD-DEM method to study the proppant transport and sand bank form in a planar vertical fracture [23].…”

Section: Introductionmentioning

confidence: 99%

Impacts of Fracture Roughness and Near-Wellbore Tortuosity on Proppant Transport within Hydraulic Fractures

et al. 2022

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For unconventional reservoir hydraulic fracturing design, a greater fracture length is a prime factor to optimize. However, the core observation results from the Hydraulic Fracturing Test Site (HFTS) show that the propped fractures are far less or shorter than expected, which suggests that the roughness and tortuosity of hydraulic fractures are crucial to sand transport. In this study, a transport model of sands is first built based on experimental measurements on the height and transport velocity of the sand bank in fractures with predetermined width and roughness. The fracture roughness is quantified by using the surface height integral. Then, three-dimensional simulations are conducted with this modified model to further investigate the impact of tortuous fractures on sand transport, from which a regression model is established to estimate the propped length of hydraulic fractures at a certain pumping condition. The experiment results show that the height of the sand bank in rough fractures is 20–50% higher than that in smooth fractures. The height of the sand bank decreases with the reduction in slurry velocity and increases with the increase in sand diameter. Sand sizes do little effect on the transport velocity of the sand bank, but the increase in slurry velocity and sand volume fraction can dramatically enhance the migration velocity of the sand bank. The appearance of tortuous fractures decreases the horizontal velocity of suspended particles and results in a higher sand bank compared with that in straight fractures. When the sand bank reaches equilibrium at the tortuous position, it is easy to produce vortices. So, there is a significant height of sand bank change at the tortuous position. Moreover, sand plugging can occur at the entrance of the fractures, making it difficult for the sand to transport deep into fractures. This study explains why the propped length of fractures in HFTS is short and provides a regression model that can be easily embedded in the fracturing simulation to quickly calculate dimensions of the propped fractures network to predict the length and height of propped fractures during fracturing.

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Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures

Cited by 39 publications

References 26 publications

A review on proppant transport modelling

A review on proppant transport modelling

Nanoparticles as Depressurization and Augmented Injection Agents to Facilitate Low Permeability Reservoir Exploitation: Potentials and Risks

Impacts of Fracture Roughness and Near-Wellbore Tortuosity on Proppant Transport within Hydraulic Fractures

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