Viscosity reduction for flowability enhancement in Iraqi crude oil pipelines using novel capacitor and locally prepared nanosilica

Ibrahim, Raheek I.; Oudah, Manal K.; Hassan, Aws F.

doi:10.1016/j.petrol.2017.05.028

Cited by 28 publications

(10 citation statements)

References 10 publications

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“…Nanofluid materials were used as drag reduction agents and few successful results were reported (Ibrahim et al 2017). The obtained values of the Darcy coefficient for 100 < Re < 10,000 fitted the theoretical formulas and showed evidence that the additive had an influence on pressure loss (Calin 2009).…”

Section: Introductionmentioning

confidence: 79%

Waste bio materials based viscosity reduction and rheological properties of crude oil

Al-Dawery

Al-Shereiqi

2019

J Petrol Explor Prod Technol

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The effectiveness of using waste bio materials as viscosity reducing agents was investigated on light and heavy crude oils of Oman. The selected materials are fiber of palm tree, date palm kernel and walnut shell. The utilization of waste bio materials is not only considered as a cost effective, but, environmentally friendly and has less effect on crude oil processing as compared to that of chemical additives. In this study, special piping structure was constructed to measure flowabilty time of crude oil. It was observed that use of bio materials reduced oil flowability time by range of 42-50% using particle size 75 µm and by 66% using particle size 150 µm. Moreover, the effect of different additives and various concentrations of bio materials on oil rheological properties, for instance viscosity and yield stress, were also studied. Results showed that the light crude oil exhibits a non-Newtonian viscoplastic behavior following (Bingham plastic model) whereas the heavy crude oil exhibits a non-Newtonian pseudoplastic behavior (shear thinning model). The use of bio materials reduced the limiting viscosities of the light crude oils by 62% using particle size 75 µm and 75% using particle size 150 µm. However, limiting viscosity of heavy crude oil was reduced by 15%. In addition, it was observed that using bio materials lowered yield shear; light crude reduced by average 32% while heavy crude oil reduced by 10%.

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Section: Introductionmentioning

confidence: 79%

Waste bio materials based viscosity reduction and rheological properties of crude oil

Al-Dawery

Al-Shereiqi

2019

J Petrol Explor Prod Technol

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“…In this work, decreasing the power consumption of the shipping pumps is based on decreasing the discharge pressure or the pressure drop of the shipping pump as a result of decreasing the kinematic viscosity of the pumped crude oil. There is a relationship between the power consumption of the pump and the kinematic viscosity according to the following equations [25][26][27][28]:…”

Section: Decreasing Power Of the Shipping Pumpmentioning

confidence: 99%

Energy saving in oilfields by using waste heat in the disposed water

Shehata

Helal²,

Gad

2023

CI&CEQ

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The present work aims to retrofit an existing Egyptian oilfield plant to improve desalter performance and reduce the power of crude oil shipping pumps. In this work waste heat in disposed water that represents a value is used in heating brackish water injected over desalter and in heating crude oil before shipping. ASPEN HYSYS version 11 simulation software was used. The retrofit of the considered oilfield plant is based on the implementation of two new heat exchangers to recover waste heat in the disposed water. The results showed that the use of waste heat in heating the brackish water in the desalter from 30 to 71.11?C will increase the operating temperature of the desalter and thus increase the sedimentation and separation rate. On the other hand, using waste heat in heating the crude oil before shipping from 37.78 to 71.11?C reduces the oil viscosity from 1.536 to 0.9735 cSt. Reducing the viscosity of the crude oil will reduce the pressure drop of the shipping pumps, and therefore the power required to pump the oil will be reduced. The presented retrofit design can be used as a guide in upgrading existing plants and plants under the design phase.

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“…The nonlinear refractive index (n 2 ) was measured through the closed aperture experiment with aids of Eq. (8). The nonlinear behavior of each sample illustrated in Fig.2.…”

Section: The Nonlinear Refractive Index Coefficient (N 2 ) Measurementsmentioning

confidence: 99%

“…While the heavy crude oil has a high viscosity and density, chemical complexity, high acidity, high sulfur, high level of metals, increase asphaltenes content, low API 0 gravity [3]. Latest training is examined various of oil properties, such as the rheological properties of heavy crude oil [4,5], the performance of the emulsion [6], a viscosity [7,8], the steady condition [9] and nonlinear properties of multi-grade oil [10]. In this work, we set out to compare the linear and the nonlinear optical properties of different heavy and light Iraqi crude oils extracted from Basra and Kut oil fields.…”

Section: Introductionmentioning

confidence: 99%

Comparative study of the linear and nonlinear optical properties for different Iraqi heavy and light crude oils

Mahmood¹,

Fandi²,

Naser³

2020

IJP

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Iraqi oil crudes have some of the physical and chemical characteristics that distinguish it from other types of oil crudes in the world. Some of these features such us molecular composition, rheological, viscosity and emulsions are studied carefully by researchers. In this work, a comparative study of the linear and the non-linear optical properties for typical heavy and light crude oils of Iraqi origin was studied utilizing Z-scan technique. The He -Ne laser of wavelength 632.8 nm had been used for this purpose. These samples were collected from Basra and Kut oil fields. The values of the non-linear refractive index (n2), non-linear absorption coefficient (β), and third-order electrical susceptibility (χ3) were estimated respectively. The obtained results show that Iraqi oil has a significant linear and non-linear optical properties.

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Viscosity reduction for flowability enhancement in Iraqi crude oil pipelines using novel capacitor and locally prepared nanosilica

Cited by 28 publications

References 10 publications

Waste bio materials based viscosity reduction and rheological properties of crude oil

Waste bio materials based viscosity reduction and rheological properties of crude oil

Energy saving in oilfields by using waste heat in the disposed water

Comparative study of the linear and nonlinear optical properties for different Iraqi heavy and light crude oils

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