Settling and slumping in a Newtonian slurry, and implications for proppant placement during hydraulic fracturing of gas wells

Hammond, Paul S.

doi:10.1016/0009-2509(95)00152-u

Cited by 59 publications

(5 citation statements)

References 14 publications

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“…The most commonly used assumption is that of Poiseuille flow, with a correction for the viscosity of the slurry that is dependent on the proppant concentration, µ(φ), described in further detail in Section 2.3. Hammond [22] defines these constitutive laws assuming both a homogeneous slurry and a close-packed core sheet. In this work, a homogeneous slurry is assumed.…”

Section: Slurry Equationsmentioning

confidence: 99%

Numerical considerations for the simulation of proppant transport through fractures

Rivas

Gracie

2019

Journal of Petroleum Science and Engineering

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Section: Slurry Equationsmentioning

confidence: 99%

Numerical considerations for the simulation of proppant transport through fractures

Rivas

Gracie

2019

Journal of Petroleum Science and Engineering

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“…Hydraulic fracturing is an effective method for reservoir management and long-term development strategy. The proppant is generally added into the fluid to form a slurry that is pumped into the fracture to prevent the fracture from closing when the pumping pressure is released, so the oil and gas production will increase greatly [1][2][3]. In the total cost of hydraulic fracturing, fracturing proppant costs a large proportion of the whole operation cost, which not only represents the majority early investment, but also determines the economic life of oil and gas well.…”

Section: Intraductionmentioning

confidence: 99%

Research on a Coated Method for Ceramic Proppant

Zhu

Xiang

Zhao

et al. 2016

MSF

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Due to the disadvantage of the traditional proppant, such as the low strength, poor acid corrosion resistance, embedding and flowback and so on, a new coated proppant was developed to deal with these problems. As the coating material, the natural gel was used to coat proppant. Different from the traditional mechanical mixing method, the means to make coated ceramic was the solvent dispersion method through the process of emulsification, cross-linking and dehydration dispersion. The strength of coated proppant was tested in different coated conditions. According to the result of test, the ceramic was coated under the optimum condition. Then the roundness, sphericity, acid solubility, crush resistance and surface structure of coated ceramic were compared with the uncoated ceramic. The experimental results showed that the optimal condition was as follows: 0.08 g/ml of gel concentration, 15/2 of ceramic/gel (g/g), 0.025 g/ml of emulsifier concentration, 20min of emulsifying time, 1/10 of water/oil rate. The coated ceramic prepared at this condition had the best performance, compared with the common ceramic, and its sphericity and acid solubility were greatly improved, bulk density reduced 7%. And the proppant surface was very smooth, the crush resistance was almost zero.

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“…Rod-like particles and flexible fibers are added to materials to create compos-ite materials with enhanced strength and performance, as with fiber-reinforced concrete (Hassanpoura et al, 2012). Fibers, both rigid and flexible, are also added to modify the rheological properties of fluids used in the production of oil (Bivens et al, 2005;Elgaddafi et al, 2012;Hammond, 1995;Osiptsov, 2017). In contrast, the presence of fibrous minerals can have a detrimental impact on the operation of flotation processes (Patra et al, 2012;Somasundaran et al, 2019), which are often used at mining sites to separate high value minerals from a slurry.…”

Section: Introductionmentioning

confidence: 99%

Advances in the Rheological Characterization of Slurries of Elongated Particles

Shaikh

Strednak

Butler

2022

KONA

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Inherent challenges regarding the rheological characterization of slurries of elongated particles have necessitated the development of alternatives to standardized rheometers. These methods of measurement, and the associated advances in the quantification of shear and normal stress measurements, are described. Also, recent advances in modeling and predictive capabilities are summarized. During shearing flows, confinement substantially influences the orientation distribution of the particles; this change in the microstructure impacts the rheology, even as the smallest confining dimension exceeds seven particle lengths. The slow development of the orientation distributions renders additional difficulties in evaluating the rheology. Achievements of the measurement methods include a universal shear viscosity as a function of concentration for a wide range of particle lengths to diameters (aspect ratios). The jamming limit (divergence of the viscosity with concentration) of the suspensions has been also shown to scale differently than for spheres. More general dynamics of the suspensions and the additional needs for measurement improvements are discussed.

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Settling and slumping in a Newtonian slurry, and implications for proppant placement during hydraulic fracturing of gas wells

Cited by 59 publications

References 14 publications

Numerical considerations for the simulation of proppant transport through fractures

Numerical considerations for the simulation of proppant transport through fractures

Research on a Coated Method for Ceramic Proppant

Advances in the Rheological Characterization of Slurries of Elongated Particles

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