Heat Transfer in a Drilling Fluid with Geothermal Applications

Wu, Wei‐Tao; Aubry, Nadine; Antaki, James F.; McKoy, Mark L.; Massoudi, Mehrdad

doi:10.3390/en10091349

Cited by 7 publications

(5 citation statements)

References 77 publications

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“…In the end, besides what we discussed in this paper, there are still many remaining issues we will investigate in the following work. Such as the effect degree of casing program on the heat transfer procedures during drilling horizontal wells, the thermal behaviors under a three-dimensional well trajectory, the variations of drilling fluid properties resulting from temperature changes, and the varying trends of heat transfer when the composition of drilling fluid is changed (the influx of formation fluids, the increase of cuttings concentration) should also be considered [15,[67][68][69]. If the grid number along the radial direction is i MAX , and that along the depth direction was j MAX , the sequence of all items in the discretized equations was rearranged according to Equation (A5).…”

Section: Discussionmentioning

confidence: 99%

Heat Transfer Behaviors in Horizontal Wells Considering the Effects of Drill Pipe Rotation, and Hydraulic and Mechanical Frictions during Drilling Procedures

et al. 2018

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Horizontal wells are increasingly being utilized in the exploration and development of oil and gas resources. However, the high temperature that occurs during drilling processes leads to a number of problems, such as the deterioration of drilling fluid properties and borehole instability. Therefore, the insight into heat transfer behaviors in horizontal wells is certainly advantageous. This study presents an integrated numerical model for predicting the temperature distribution during horizontal wells drilling considering the effects of drill pipe rotations, and hydraulic (i.e., circulating pressure losses) and mechanical frictions. A full implicit finite difference method was applied to solve this model. The results revealed that the mechanical frictions affect more on wellbore temperature variation than the effects of heat transfer intensification and circulating pressure losses; Moreover, the drilling fluid temperature was found higher than the stratum temperature at horizontal section, the temperature difference at the bottom hole reached up to 16 °C if pressure drops, heat transfer strengthened by rotations and mechanical frictions were all taken into account. This research could be utilized as a theoretical reference for predicting temperature distributions and estimating risks in horizontal wells drilling.

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Section: Discussionmentioning

confidence: 99%

Heat Transfer Behaviors in Horizontal Wells Considering the Effects of Drill Pipe Rotation, and Hydraulic and Mechanical Frictions during Drilling Procedures

et al. 2018

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“…At solid boundaries, no particles can penetrate the walls, which indicates that the particle flux should be zero at the walls [63] 0 = N| wall .…”

Section: Flow Between Two Platesmentioning

confidence: 99%

Steady Flow of a Cement Slurry

et al. 2019

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Understanidng the rheological behavior of cement slurries is important in cement and petroleum industries. In this paper, we study the fully developed flow of a cement slurry inside a wellbore. The slurry is modeled as a non-linear fluid, where a constitutive relation for the viscous stress tensor based on a modified form of the second grade (Rivlin–Ericksen) fluid is used;we also propose a diffusion flux vector for the concentration of particles. The one-dimensional forms of the governing equations and the boundary conditions are made dimensionless and solved numerically. A parametric study is performed to present the effect of various dimensionless numbers on the velocity and the volume fraction profiles.

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“…Also, there is only one constitutive relation which is needed for the stress tensor of the suspension. This approach, often called suspension rheology, in general cannot provide us with particle distributions, deposition, etc., unless certain convection-diffusion type equations are also used (see [28]).…”

Section: Approach To Mathematical Modeling Of Suspensions 21 Backgroundmentioning

confidence: 99%

Effects of Polydispersity on Structuring and Rheology in Flowing Suspensions

Rosenbaum

Massoudi

Dayal

2019

Journal of Applied Mechanics

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The size and distribution of particles suspended within a fluid influence the rheology of the suspension, as well as strength and other mechanical properties if the fluid eventually solidifies. An important motivating example of current interest is foamed cements used for carbon storage and oil and gas wellbore completion. In these applications, it is desired that the suspended particles maintain dispersion during flow and do not coalesce or cluster. This paper compares the role of mono- against polydispersity in the particle clustering process. The propensity of hard spherical particles in a suspension to transition from a random configuration to an ordered configuration, or to form localized structures of particles, due to flow is investigated by comparing simulations of monodisperse and polydisperse suspensions using Stokesian dynamics. The calculations examine the role of the polydispersity on particles rearrangements and structuring of particles due to flow and the effects of the particle size distribution on the suspension viscosity. A key finding of this work is that a small level of polydispersity in the particle sizes helps to reduce localized structuring of the particles in the suspension. A suspension of monodisperse hard spheres forms structures at a particle volume fraction of approximately 47% under shear, but a 47% volume fraction of polydisperse particles in suspension does not form these structures.

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Heat Transfer in a Drilling Fluid with Geothermal Applications

Cited by 7 publications

References 77 publications

Heat Transfer Behaviors in Horizontal Wells Considering the Effects of Drill Pipe Rotation, and Hydraulic and Mechanical Frictions during Drilling Procedures

Heat Transfer Behaviors in Horizontal Wells Considering the Effects of Drill Pipe Rotation, and Hydraulic and Mechanical Frictions during Drilling Procedures

Steady Flow of a Cement Slurry

Effects of Polydispersity on Structuring and Rheology in Flowing Suspensions

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