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Nanoparticles Stabilized Oil-Water Emulsion Flow.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Nanoparticles Stabilized Oil-Water Emulsion Flow./
Author:	Raikulov, Sayat.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
Description:	174 p.
Notes:	Source: Masters Abstracts International, Volume: 83-06.
Contained By:	Masters Abstracts International83-06.
Subject:	Petroleum engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28715768
ISBN:	9798496538558

Nanoparticles Stabilized Oil-Water Emulsion Flow.
Raikulov, Sayat.

Nanoparticles Stabilized Oil-Water Emulsion Flow. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 174 p.

Source: Masters Abstracts International, Volume: 83-06.

Thesis (M.Eng.)--The University of Tulsa, 2021.

This item must not be sold to any third party vendors.

Nanoparticles (NP) stabilized oil-water emulsion flow is studied experimentally and theoretically for both hydrophilic and hydrophobic NP, under Water Sweep (WS) and Oil Sweep (OS) conditions. Novel and highly accurate experimental data are collected for different NP concentrations and different pump speeds. The Legacy-Texaco skid flow loop is modified to enable data acquisition, and the microscopic camera is modified with Vector Control Module (VCM), as well. The phase inversion is measured utilizing a Circular Differential Dielectric Sensor (C-DDS), a Rectangular DDS (R-DDS), pressure transducer and mass flow meter. Droplet size distribution data are acquired with a Canty microscopic camera for dilute dispersed-phase volume fractions. Data are acquired from all 5 instruments simultaneously. The moving average filter is found to be simple and rigorous tool to capture the transient phase inversion region.Hydrophilic AEROSIL-200 NP, even at low concentrations, consistently delay the occurance of phase inversion as dispersed phase fraction is increased. A concentration of 1% wt. AEROSIL-200 delays the phase inversion up to 93% of organic volume fractions for o/w dispersions (oil sweep experiments). The transient phase inversion period is shorter (1.5 to 2 min.) for AEROSIL-200 emulsions; longer phase inversion durations (greater than 2 min) occur for the hydrophobic AEROSI- R974 emulsions.As the AEROSIL-R974 NP concentration increases, the viscosity of mineral oil increases significantly. AEROSIL-R974 stabilized emulsions (in higher concentrations) exhibit shear thinning behavior indicating that yield stress must be applied in order to initiate flow. Concentrations of 0.05 and 0.11% wt of AEROSIL-R974 cause early phase inversion at all 3 pump RPMs. AEROSIL-R974 at concentration of 0.5, 0.8 and 1% wt. lead to delay in phase inversion.Extension of the Pereyra (2011) correlation for dMAX is carried out for NP-stabilized emulsion flow. Log normal distribution and modified Rosin Rammler distribution are recommended for prediction of the cumulative droplet size distributions of NP-stabilized emulsions for OS flow. Optimized parameter sets are generated from experimental data for in both these distributions. Comparison between the acquired data and both log normal distribution and Rosin Rammler distribution predictions show Normalized Root-Mean-Square Deviation (NRMSD) discrepancy values less than 13%.

ISBN: 9798496538558Subjects--Topical Terms:

566616
Petroleum engineering.
Subjects--Index Terms:

Nanoparticles

Nanoparticles Stabilized Oil-Water Emulsion Flow.
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245 1 0 $a Nanoparticles Stabilized Oil-Water Emulsion Flow.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2021
300 $a 174 p.
500 $a Source: Masters Abstracts International, Volume: 83-06.
500 $a Advisor: Mohan, Ram S.;Shoham, Ovadia.
502 $a Thesis (M.Eng.)--The University of Tulsa, 2021.
506 $a This item must not be sold to any third party vendors.
520 $a Nanoparticles (NP) stabilized oil-water emulsion flow is studied experimentally and theoretically for both hydrophilic and hydrophobic NP, under Water Sweep (WS) and Oil Sweep (OS) conditions. Novel and highly accurate experimental data are collected for different NP concentrations and different pump speeds. The Legacy-Texaco skid flow loop is modified to enable data acquisition, and the microscopic camera is modified with Vector Control Module (VCM), as well. The phase inversion is measured utilizing a Circular Differential Dielectric Sensor (C-DDS), a Rectangular DDS (R-DDS), pressure transducer and mass flow meter. Droplet size distribution data are acquired with a Canty microscopic camera for dilute dispersed-phase volume fractions. Data are acquired from all 5 instruments simultaneously. The moving average filter is found to be simple and rigorous tool to capture the transient phase inversion region.Hydrophilic AEROSIL-200 NP, even at low concentrations, consistently delay the occurance of phase inversion as dispersed phase fraction is increased. A concentration of 1% wt. AEROSIL-200 delays the phase inversion up to 93% of organic volume fractions for o/w dispersions (oil sweep experiments). The transient phase inversion period is shorter (1.5 to 2 min.) for AEROSIL-200 emulsions; longer phase inversion durations (greater than 2 min) occur for the hydrophobic AEROSI- R974 emulsions.As the AEROSIL-R974 NP concentration increases, the viscosity of mineral oil increases significantly. AEROSIL-R974 stabilized emulsions (in higher concentrations) exhibit shear thinning behavior indicating that yield stress must be applied in order to initiate flow. Concentrations of 0.05 and 0.11% wt of AEROSIL-R974 cause early phase inversion at all 3 pump RPMs. AEROSIL-R974 at concentration of 0.5, 0.8 and 1% wt. lead to delay in phase inversion.Extension of the Pereyra (2011) correlation for dMAX is carried out for NP-stabilized emulsion flow. Log normal distribution and modified Rosin Rammler distribution are recommended for prediction of the cumulative droplet size distributions of NP-stabilized emulsions for OS flow. Optimized parameter sets are generated from experimental data for in both these distributions. Comparison between the acquired data and both log normal distribution and Rosin Rammler distribution predictions show Normalized Root-Mean-Square Deviation (NRMSD) discrepancy values less than 13%.
590 $a School code: 0236.
650 4 $a Petroleum engineering. $3 566616
650 4 $a Fluid mechanics. $3 528155
650 4 $a Nanoscience. $3 587832
653 $a Nanoparticles
653 $a Oil-water emulsion flow
690 $a 0765
690 $a 0565
690 $a 0204
710 2 $a The University of Tulsa. $b Petroleum Engineering. $3 3342128
773 0 $t Masters Abstracts International $g 83-06.
790 $a 0236
791 $a M.Eng.
792 $a 2021
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28715768