High temperature and high pressure rheological properties of high-density water-based drilling fluids for deep wells

Wang, Fuhua; Tan, Xuechao; Wang, Ruihe; Min, Sun Seek; Wang, Li; Jianghua, Liu

doi:10.1007/s12182-012-0219-4

Cited by 69 publications

(30 citation statements)

References 14 publications

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“….3226 K and θ c = 182.3742 K. In these measurements, the shear rate ranged from 0 to 1020 s −1 ; the shear viscosity was found to be independent of the shear rate, see Wang et al [16]. The bulk volume fraction is 0.345.…”

Section: Stress Tensormentioning

confidence: 82%

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Heat Transfer in a Drilling Fluid with Geothermal Applications

Aubry

Antaki

et al. 2017

Energies

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Abstract:The effects of various conditions on the fluid flow, particle migration and heat transfer in non-linear fluids encountered in drilling and geothermal applications are studied. We assume that the drilling fluid is a suspension composed of various substances, behaving as a non-linear complex fluid, where the effects of particle volume fraction, shear rate, and temperature on the viscosity and thermal diffusivity are considered. The motion of the particles is described using a concentration flux equation. Two problems are studied: flow in a vertical pipe and flow between two (eccentric) cylinders where the inner cylinder is rotating. We consider effects of earth temperature, the rotational speed of the inner cylinder, and the bulk volume fraction on the flow and heat transfer.

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Section: Stress Tensormentioning

confidence: 82%

“…The parameters in the expression for µ r depend on the properties of the specific drilling mud which need to be determined using experiments. Here we use the data used in the experiments performed by Wang et al [16]; the values of the following parameters are fitted to their data:…”

Section: Stress Tensormentioning

confidence: 99%

Heat Transfer in a Drilling Fluid with Geothermal Applications

Aubry

Antaki

et al. 2017

Energies

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“…In most applications, a number of weighting agents are used to increase the density of the oil-based drilling fluid [2]. However, the high density can cause a series of problems such as high solid content, high viscosity and high friction coefficient [3,4]. Nowadays, keeping good rheology of the oil-based drilling fluid and reducing the reservoir damage have been increasingly concerned in drilling projects [5–7].…”

Section: Introductionmentioning

confidence: 99%

Rheological properties and damage-control mechanism of oil-based drilling fluid with different types of weighting agents

Tao

et al. 2018

R. Soc. open sci.

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The great amount of solid particles contained in a weighting agent is a major cause of the problems in both rheology properties and damage control mechanism of an oil-based drilling fluid (OBM). Therefore, a proper type of weighting agent can be a solution for the application of OBM. In this study, three weighting agents that have been commonly used with OBM, namely, standard barite, submicron barite and superfine manganese ore, are studied. Rheological properties of OBM and the degree of formation damage are assessed with regard to the three weighting agents. The agents are also studied in aspects of particle size, micromorphology, filtration loss and wall-building property, acid dissolution efficiency of mud cake, lubricity and sedimentation stability to analyse the effects of the agents on rheological properties and the degree of damage as well as to figure out the mechanism of rheology control and damage control. For the OBM, there is a mutual effect between rheological stability and the degree of damage. In consideration of the agents' properties, we can enhance the rheological stability of the OBM and control the degree of formation damage by properly selecting particle size, using acid-soluble materials and forming the mud cake with ultra-low permeability that can easily be cleared away.

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“…A number of authors have studied effects of temperature and pressure on drilling fluid. [2][3][4] Rheological properties of high-density water-based drilling fluid under high pressure-high temperature (HPHT) conditions were studied by Wang et al [5] They observed that Herschel-Bulkley model described the rheological properties of the fluids accurately at 150-220°C among the other models. Their results showed that apparent viscosity and plastic viscosity of the fluid decrease as the temperature increases.…”

Section: Introductionmentioning

confidence: 99%

Temperature and pressure effects of drilling fluid on cutting transport using CFD simulations

Akbari

Hashemabadi

2017

Asia-Pacific J Chem Eng

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Simulation of liquid–solid flow in annulus of oil wells is of a great importance to predict the two‐phase flow field in wellbore accurately. In this paper, direct effects of drilling fluid rheological properties by Herschel–Bulkley model on cuttings transportation, pressure drop, and other parameters of two‐phase flow are numerically investigated at different temperatures and pressures. Recent studies have not addressed these effects. Thus, a 3D form of a steady‐state and isothermal model is used to simulate the two‐phase flow in various temperatures and pressures of drilling fluid, flow rates, and drilling pipe rotations. The governing equations created a system of coupled partial differential equations solved using the iterative finite volume method. The comparisons between the results of the model and experimental data and also analytical relation showed that the model can accurately predict two‐phase flow in the annulus. The results indicated that the elevation of temperature and reduction of pressure contributes to a decrease in the cuttings transportation. For drilling fluid velocity of 0.75 m/s, the cuttings transportation has been decreased 2.08% by increasing temperature from 70°C to 90°C in 0.1 MPa, whereas in pressure of 10 MPa, about 1.63% reduction on the transportation of cuttings yielded. © 2017 Curtin University and John Wiley & Sons, Ltd.

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High temperature and high pressure rheological properties of high-density water-based drilling fluids for deep wells

Cited by 69 publications

References 14 publications

Heat Transfer in a Drilling Fluid with Geothermal Applications

Heat Transfer in a Drilling Fluid with Geothermal Applications

Rheological properties and damage-control mechanism of oil-based drilling fluid with different types of weighting agents

Temperature and pressure effects of drilling fluid on cutting transport using CFD simulations

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