Rheological study of a new water-based drilling fluid using Ubakala clay in the presence of natural polymers

Jimoh, M.O.; Salawudeen, T. O.; Arinkoola, A. O.; Daramola, Michael O.

doi:10.1080/00986445.2020.1774374

Cited by 8 publications

(3 citation statements)

References 26 publications

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“…To improve the rheological and filtration properties of the drilling fluids, the following natural polymeric compounds were used: carboxymethyl cellulose and polyanionic cellulose [ 20 , 21 , 22 ], xanthan gum [ 23 , 24 , 25 ], wild Jujube pit powder [ 26 ], tea polyphenols [ 27 ], starch and its derivatives [ 28 , 29 , 30 ], bread fruit starch, cassava starch, bush mango seed, corn fiber [ 31 ], and pomelo peel powder [ 32 ].…”

Section: Introductionmentioning

confidence: 99%

A Novel Cationic Polymer Surfactant for Regulation of the Rheological and Biocidal Properties of the Water-Based Drilling Muds

et al. 2023

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The copolymer of N,N-diallyl-N,N-dimethylammonium chloride and N-[3-(Dimethylamino)propyl]methacrylamide (DADMAC–DMAPMA) was synthesized by radical polymerization reaction in an aqueous solution in the presence of the initiator ammonium persulfate (NH4)2S2O8. The molar compositions of the synthesized copolymers were determined using FTIR and 1H NMR-spectroscopy, elemental analysis, and conductometric titration. It was found that in the radical copolymerization reaction, the DMAPMA monomer was more active than the DADMAC monomer; for this reason, the resulting copolymers were always enriched in the DMAPMA monomers. The study of the influence of the DADMAC–DMAPMA copolymer on structure-formation in the bentonite suspension showed that this copolymer significantly increased the static shear stress (SSS) of the system. In this case, the structure-forming properties of the copolymer depended on the pH of the medium. The lower the pH level, the better the structure-formation was in the suspension in the presence of the copolymer. The study of antibacterial activity showed that the DADMAC–DMAPMA copolymer had a biocidal effect against sulfate-reducing bacteria (CRB) at a concentration of not less than 0.05 wt.% and can be used to inhibit the growth of this bacteria.

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Section: Introductionmentioning

confidence: 99%

A Novel Cationic Polymer Surfactant for Regulation of the Rheological and Biocidal Properties of the Water-Based Drilling Muds

et al. 2023

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“…Biopolymers and Nanoparticles (NPs) are two different materials used for this purpose, they also have some desirable function that led to minimize drilling problem and better drilling operation. Different types of natural polymers including carboxymethyl cellulose, guar gum and potato starch [4], Katira gum [5], modified starches [6] cassava starch, breadfruit starch bush mango seed and corn fiber [7], and wood fiber [8] have been tested and used in drilling fluids to provide rheology and filtration loss control [9]. Synthetic polymers were also used for the same purposes [10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Environmentally Friendly Additives for Aqueous Drilling Fluid Systems: Optimum Flow Characteristics and Models

Kamal,

Abdullah,

Al-Badran

et al. 2023

E3S Web of Conf.

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Recently, renewable additives are incorporated to design novel drilling fluid formulations with properties meeting the needs of downhole atmospheres and environmental regulations. The work deals with the investigation, optimization, and modeling of the rheological properties of new aqueous drilling fluid systems incorporated with green sliver nanoparticles and mastic gum and the estimation and optimization of the flow mathematical models. The average range of the experimental values for apparent viscosity, plastic viscosity, yield point, and low-shear-rate yield point for the prepared drilling fluids are 22-38 cP, 8-24 cP, 26-32 lb/100ft2, 18-35 lb/100ft2 respectively, while the optimum values estimated by ANOVA are 38.79 cP, 25.12 cP, 33.47 lb/100ft2, and 42.16 lb/100ft2 respectively. The optimum rheological properties are achieved by incorporating 17.07 ml of mastic gum and 1.6 ml of silver NPs colloids. The outcomes showed that the green additives looked talented to be applied for governing drilling fluid characteristics within the oil industry-recommended standards. The results of modeling the flow of the optimized drilling fluid indicated that it is Pseudo plastic fluid that exhibited non-Newtonian behavior and shear thinning. The Bingham-plastic flow model was explored to be the topmost model that can describe the flow behavior of the optimized drilling fluid system.

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“…The Ostwald -de Waale power-law model takes viscosity change into account, but does not include an initial shear stress. Since modern flushing fluids have an initial shear stress and tend to change viscosity with changes in shear rate, it becomes necessary to use a modified Herschel -Bulkley power law that considers both features of a non-Newtonian medium [14][15][16]. Research in simulation of fluid motion is limited to the Shvedov -Bingham and Ostwald -de Waale models, which do not take into account real parameters of the medium in sufficient accuracy [12,17].…”

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confidence: 99%

Problem solution analysis on finding the velocity distribution for laminar flow of a non-linear viscous flushing fluid in the annular space of a well

Nikitin

2022

PMI

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Modern drilling fluids are non-linear viscous media with an initial shear stress. In classical scientific works on hydromechanical modeling of drilling fluids motion in pipes and annular channels the Shvedov – Bingham approximation and Ostwald – de Waale power-law model were used, which did not fully account for behavior of technological fluids in a wide range of shear rates. This article presents a numerical solution for a mathematical model of drilling fluid motion of the three-parameter Herschel – Bulkley rheological model in the annular space of the well. The Herschel – Bulkley model in the rheological equation takes into account the presence of initial shear stress and a tendency for viscosity to change with shear rate, which distinguishes it from the Ostwald – de Waale and Shvedov – Bingham models. The target function in solving the equation of motion is the velocity distribution in the radial direction of the upward flow of the flushing fluid. The analysis of obtained solution is based on the theory of velocity profile influence on quality of cuttings removal during wellbore cleaning. Due to peculiarities of mathematical statement of the task, which supposes necessity of differential equation of motion solution, Wolfram Mathematica computational software has been used as a calculation tool. The analysis of numerical solution allowed to draw conclusions about the possibility of its application in evaluation of velocity profile when drilling fluid moves in annular space of the well. The possibility for application of modified excess coefficient as a relative quantitative parameter for evaluation of velocity profile uniformity was substantiated.

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Rheological study of a new water-based drilling fluid using Ubakala clay in the presence of natural polymers

Cited by 8 publications

References 26 publications

A Novel Cationic Polymer Surfactant for Regulation of the Rheological and Biocidal Properties of the Water-Based Drilling Muds

A Novel Cationic Polymer Surfactant for Regulation of the Rheological and Biocidal Properties of the Water-Based Drilling Muds

Environmentally Friendly Additives for Aqueous Drilling Fluid Systems: Optimum Flow Characteristics and Models

Problem solution analysis on finding the velocity distribution for laminar flow of a non-linear viscous flushing fluid in the annular space of a well

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