...Ali Alarbah; Ezeddin Shirif; Na Jia; Hamdi Bumraiwha The employing of a self-synthesized organobimetallic catalyst as a viscosity reducing agent to upgrade the heavy oil as well as the mechanisms of enhancing heavy oil recovery are investigated in this study. The components in treated and untreated...

... friction reducers, e.g., anionic polyacrylamides (APAMs) are added, which also impart viscosity to the fluid resulting in better proppant transport. The present work investigates the effect of an APAM copolymer on the viscosity of slickwater fluids; specifically, at high salinity and hardness conditions...

...Ali Alarbah; Ezeddin Shirif; Na Jia; Hamdi Bumraiwha Chemical-assisted enhanced oil recovery (EOR) has recently received a great deal of attention as a means of improving the efficiency of oil recovery processes. Producing heavy oil is technically difficult due to its high viscosity and high...

...Zehua Chen; Daoyong Yang This study investigates the potential of artificial neural networks (ANNs) to accurately predict viscosities of heavy oils (HOs) as well as mixtures of solvents and heavy oils (S–HOs). The study uses experimental data collected from the public domain for HO viscosities...

... viscosity, density, soot content, total base number (TBN), ash content, trace metal concentrations, and thermal stability. The viscosity of lubricating oil samples drawn from biodiesel fueled vehicles were found to be ∼10–15% lower compared to that from diesel-fueled vehicles, whereas density and ash...

... behavior, whereas those with acid showed a Newtonian plateau over a wide shear rate range before undergoing shear thinning. This means that over a wide shear rate range, the acid-surfactant solutions become independent of applied shear. At low shear rates, the viscosity of the surfactant was higher...

... viscosity at dissimilar volume concentrations (0–1.5%) and temperatures (5–50 °C) for dissimilar shear rate values. Therefore, sensitivity analysis based on variation of nanoparticle (NP) concentration and temperature was also implemented. The findings revealed that enhancing the volume fraction (φ...

...Zhixiong Li; Annunziata D’Orazio; Arash Karimipour; Quang-Vu Bach The first goal is to propose a two-variable equation for predicting the viscosity of zinc oxide-SAE50 nano-lubricant. In this way, the curve fitting was applied on laboratory data. Laboratory data have been reported...

... effect can significantly affect retention and absorption of the fracturing fluid. In this study, the imbibition behaviors of the fracturing fluid were experimentally investigated, and the effects of interfacial tension, (IFT) permeability, oil viscosity, and the salinity of the imbibition fluid were...

... additive was also tested in different particle size distribution (PSD) and rheological properties were tested. Significant reduction in viscosity with small sized particles was recorded. The tested material called ATR throughout this paper is shown to offer better functionality than bentonite without...

... affects the delivery ability and operational modality. It is therefore imperative for the phase inversion research to be taken into consideration. However, most of the knowledge on phase inversion is for light mineral oil with low viscosity, few research focuses on high viscosity oil-water phase inversion...

... the changes in acid number (AN, ASTM D664-04) and kinematic viscosity (ASTM D445) over 10 months with different samples stored at 5 ° C , 40 ° C , and cyclic thermal conditions. Among the three biodiesel base fuels (B100) studied, Bio1 (from tallow) and Bio2 (from yellow grease) showed the largest increase...

...Mutaz Daas; Derek Bleyle Measurements of drag reduction in two-phase oil-gas slug flow are presented in this study. Two types of oil with markedly different viscosities were examined in 10-cm inner diameter horizontal pipes to evaluate the influence of oil viscosity on the total pressure loss...

... onto the rock and altering the formation wettability from water-wet to oil-wet thus diminishing the effective permeability to oil, k o , and c) increasing the reservoir fluid viscosity, μ o , by nucleating water-in-oil emulsions. In the most frequently encountered case of asphaltene-induced formation...

...Antonio C. Bannwart; Oscar M. H. Rodriguez; Carlos H. M. de Carvalho; Isabela S. Wang; Rosa M. O. Vara This paper is aimed to an experimental study on the flow patterns formed by heavy crude oil (initial viscosity and density 488 mPa s, 925.5 kg / m 3 at 20 ° C ) and water inside vertical...

... by Petroleum Division November 20, 2002; revised manuscript received February 25, 2004. Associate Editor: T. Yildiz. 20 November 2002 25 February 2004 19 10 2004 oil technology viscosity acoustic emission fracture petroleum industry Field experience in petroleum...

... drill-in fluids under temperatures up to 200°C. A new correlation was developed to evaluate fluid-effective viscosities as a function of temperature. The thermal effects on the rheology of drilling fluids have been usually presented in the literature by means of temperature-dependent rheological...

...Ole Harald Utvik; Trygve Rinde; Arne Valle In this paper, results are presented from an experimental comparison between a light hydrocarbon system from the North Sea and a model oil system in pipe flow. The experiments were carried out in order to compare similar fluid systems (density, viscosity...

... conditions and to map variations in permeability along the length of the core as well as with radial distance from the perforation. Berea (10.2-cm (4-in.) dia) cores saturated with low-viscosity silicone oil were perforated using conventional-shaped charges (6-g HMX) and API RP43 procedures by using 6.88-MPa...

... in high-viscosity fluids such as Venezuelan crude, where viscosities around the 300–400-cP mark are commonly encountered. This paper describes some experiments performed on the BP Amoco 6-in. multiphase flow test facility located at Sunbury. These looked at the transport of field representative sand...