Experimental study and predictions of pressure losses of fluids modeled as Herschel–Bulkley in concentric and eccentric annuli in laminar, transitional and turbulent flows

Kelessidis, Vassilios C.; Dalamarinis, Panagiotis; Maglione, Roberto

doi:10.1016/j.petrol.2011.04.004

Cited by 118 publications

(46 citation statements)

References 38 publications

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“…It relates the pressure in an eccentric annulus to a concentric one. Kelessidis et al (2011) applied this correlation to obtain the pressure loss of non-Newtonian fluids in a fully eccentric annulus. Ahmed and Miska (2009) proposed that Eq.…”

Section: Accepted Manuscriptmentioning

confidence: 99%

Frictional pressure loss of drilling fluids in a fully eccentric annulus

Erge

Vajargah

Özbayoğlu

et al. 2015

Journal of Natural Gas Science and Engineering

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Section: Accepted Manuscriptmentioning

confidence: 99%

Frictional pressure loss of drilling fluids in a fully eccentric annulus

Erge

Vajargah

Özbayoğlu

et al. 2015

Journal of Natural Gas Science and Engineering

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“…Kelessidis et al gave the concentric annuli newtonian wall shear rate γ w,a,n expression formula which modeled as a slot as following form [19]: (16) Rabinowitsch [20] & mooney [21] introduced the pipe flow characteristic parameter 8v/D. Follow them we could also rewritten eq.…”

Section: Generalized Flow Index For Annular Flowmentioning

confidence: 99%

“…(17), the following equation can be derived: (18) eq. (18) may be rearranged and differentiated with τ w : (19) the eq. (19) is the wall shear rate formula of annular flow.…”

Section: Generalized Flow Index For Annular Flowmentioning

confidence: 99%

See 1 more Smart Citation

A comprehensive hydraulic calculation method of non-newtonian fluids used four-parameter model

2013

SOCAR Proceedings

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ReseRvoiR and petRoleum engineeRing 39 №2accurate predictions of hydraulic parameters are essential for drilling operations. a comprehensive method of hydraulic parameter calculation is presented for a four-parameter rheological model. Based on the Rabinowitsch-mooney equation, the explicit equation between the wall shear stress and volumetric flow rate of this model for pipe was obtained. When modeled as a slot, the equation for annular flow is also obtained. a new generalized flow index and effective diameter for annular flow were defined through theoretical analysis based on metzner & Reed's study. the new generalized effective diameter accounts for the effects both of annulus geometry and fluid rheology. Based on the definition of Fanning friction factor, the general expression of generalized Reynolds number for both annulus and pipe were derived in view of the fact that the generalized flow index is non-constant. We show the calculation method for generalized flow index and a utility pressure losses calculation model. the predictions of this method have been compared with an extensive set of data from literature. the comparisons of pressure loss show excellent agreement over laminar and turbulent flow regimes.

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“…Suzuki (1994) proposed an online viscometery method based on annulus liquid flow to measure non-Newtonian properties of food for quality and process control. Furthermore, several authors investigated the flow of non-Newtonian fluids in the annulus (Kelessidis andMaglione (2011), Escudier et al (2002), Siginer and Bakhtiyarov (1998)). Zamora et al (2012) pointed out that drilling fluid density varies significantly over wide ranges of temperature and pressure, and depends on the compressibility and thermal expansion of the fluids as well as the amount of solids in the mud formulation.…”

Section: Introductionmentioning

confidence: 99%