Introducing a Rheology Model for Non-Newtonian Drilling Fluids

Masoud Rashidi; Ahmad Sedaghat; Biltayib Misbah; Mohammad Sabati; Koshy Vaidyan; Ali Mostafaeipour; Seyyed Shahabaddin Hosseini Dehshiri; Khalid Almutairi; Alibek Issakhov

doi:10.1155/2021/1344776

Introducing a Rheology Model for Non-Newtonian Drilling Fluids

Masoud Rashidi, Ahmad Sedaghat, Biltayib Misbah, Mohammad Sabati, Koshy Vaidyan, Ali Mostafaeipour, Seyyed Shahabaddin Hosseini Dehshiri, Khalid Almutairi, Alibek Issakhov

Australian University - Kuwait

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

An API standard drilling fluid was investigated from laminar to turbulent flow conditions using an in-house-built viscometer at speeds from 200 to 1600 RPM. A power-based method was applied to obtain the apparent viscosity and the shear stress of the water-based drilling mud (WBM) in the annulus of the viscometer. Then, a MATLAB optimization program was developed to obtain model parameters for five rheology models integrated in a generalized Herschel-Bulkley-Extended (HBE) model and two widely used 4-parameter models in drilling industry. It is found that the Bingham, Cross, and HBE rheology models have precisely matched the WBM measurements in the viscometer. A generalized Reynolds number was applied to determine the Darcy friction factor although the PL (power law model) and the HB (Herschel-Bulkley model) exhibited a nonrealistic negative shift from the laminar friction factor.

Original language	English
Article number	1344776
Journal	Geofluids
Volume	2021
DOIs	https://doi.org/10.1155/2021/1344776
State	Published - 2021

Funding Agency

Kuwait Foundation for the Advancement of Sciences

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10.1155/2021/1344776

Cite this

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title = "Introducing a Rheology Model for Non-Newtonian Drilling Fluids",

abstract = "An API standard drilling fluid was investigated from laminar to turbulent flow conditions using an in-house-built viscometer at speeds from 200 to 1600 RPM. A power-based method was applied to obtain the apparent viscosity and the shear stress of the water-based drilling mud (WBM) in the annulus of the viscometer. Then, a MATLAB optimization program was developed to obtain model parameters for five rheology models integrated in a generalized Herschel-Bulkley-Extended (HBE) model and two widely used 4-parameter models in drilling industry. It is found that the Bingham, Cross, and HBE rheology models have precisely matched the WBM measurements in the viscometer. A generalized Reynolds number was applied to determine the Darcy friction factor although the PL (power law model) and the HB (Herschel-Bulkley model) exhibited a nonrealistic negative shift from the laminar friction factor.",

author = "Masoud Rashidi and Ahmad Sedaghat and Biltayib Misbah and Mohammad Sabati and Koshy Vaidyan and Ali Mostafaeipour and Dehshiri, {Seyyed Shahabaddin Hosseini} and Khalid Almutairi and Alibek Issakhov",

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doi = "10.1155/2021/1344776",

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T1 - Introducing a Rheology Model for Non-Newtonian Drilling Fluids

AU - Rashidi, Masoud

AU - Sedaghat, Ahmad

AU - Misbah, Biltayib

AU - Sabati, Mohammad

AU - Vaidyan, Koshy

AU - Mostafaeipour, Ali

AU - Dehshiri, Seyyed Shahabaddin Hosseini

AU - Almutairi, Khalid

AU - Issakhov, Alibek

PY - 2021

Y1 - 2021

N2 - An API standard drilling fluid was investigated from laminar to turbulent flow conditions using an in-house-built viscometer at speeds from 200 to 1600 RPM. A power-based method was applied to obtain the apparent viscosity and the shear stress of the water-based drilling mud (WBM) in the annulus of the viscometer. Then, a MATLAB optimization program was developed to obtain model parameters for five rheology models integrated in a generalized Herschel-Bulkley-Extended (HBE) model and two widely used 4-parameter models in drilling industry. It is found that the Bingham, Cross, and HBE rheology models have precisely matched the WBM measurements in the viscometer. A generalized Reynolds number was applied to determine the Darcy friction factor although the PL (power law model) and the HB (Herschel-Bulkley model) exhibited a nonrealistic negative shift from the laminar friction factor.

AB - An API standard drilling fluid was investigated from laminar to turbulent flow conditions using an in-house-built viscometer at speeds from 200 to 1600 RPM. A power-based method was applied to obtain the apparent viscosity and the shear stress of the water-based drilling mud (WBM) in the annulus of the viscometer. Then, a MATLAB optimization program was developed to obtain model parameters for five rheology models integrated in a generalized Herschel-Bulkley-Extended (HBE) model and two widely used 4-parameter models in drilling industry. It is found that the Bingham, Cross, and HBE rheology models have precisely matched the WBM measurements in the viscometer. A generalized Reynolds number was applied to determine the Darcy friction factor although the PL (power law model) and the HB (Herschel-Bulkley model) exhibited a nonrealistic negative shift from the laminar friction factor.

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VL - 2021

JO - Geofluids

JF - Geofluids

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ER -

Introducing a Rheology Model for Non-Newtonian Drilling Fluids

Abstract

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