... using brines of two saturation ratios (SR) at a flow rate of 10ml/min up to a previously determined induction time. Surface wettability effects were investigated by the application of silane on stainless steel to increase hydrophobicity, at three SR values and flow rates ranging from 10-30 ml/min at 70...

...) and functionalized stainless steel substrates at three saturation ratios and flow rates ranging from 10-30 ml/min. Analyses of the induction times and deposition of scale show the significant influence of flow velocity and surface wettability on heterogeneous crystallization processes, and that scale growth...

..., increasing its propensity to adhere to surfaces and promoting the dominant adhesion process. The wettability of anti-fouling surfaces had a significant bearing on the degree of lead sulfide deposition in a multiphase system. Mineral scale lead sulfide anti-fouling coating wettability multiphase...

... inhibition multiphase flow wettability inversion point INTRODUCTION It has been recognized for long time that the presence of crude oil may have a major effect in reducing uniform corrosion rates in CO₂/H₂S containing environments and that this effect depends significantly...

... and establish overall pipeline integrity. Use of computational techniques can not only address the wettability issues but also help identify mitigation criteria and its effective deployment. In the present study, detailed Computational Fluid Dynamics (CFD) modeling of turbulent oil-water multiphase flow...

... . ¹ Abstract The chemical components of a crude oil significantly influence steel corrosion in crude oil production, and this influence comes in two flavors, occurring in tandem, specifically the effect on brine corrosivity and wettability. Brine corrosivity determines the corrosion that occurs when...

... the gas phase can help to keep water away from the pipe wall, leading to oil wetting. At high water cut, water wetting prevailed and the flow of gas did not lessen the intensity of water wetting. water wetting gas-oil-water flow flow pattern conductivity pin wettability INTRODUCTION Much...

... in the crude oil chemistry can explain this phenomenon. In the present work, fifteen different crude oils were tested for corrosion inhibition and wettability alteration (change from water wet to oil wet surface). The corrosion inhibition was measured in 4 steps: precorrosion, partitioning...

... wetting oil-water flow flow pattern conductivity pin wettability corrosion INTRODUCTION In the oil industry, formation water is often produced along with the crude oil and transported in carbon steel pipelines. Some of the primary parameters in internal corrosion assessment of pipelines...

... apparatus. The verification included data obtained with different crude oils as well as with a model oil containing different surface active chemical. Water wetting corrosion wettability oil-water flow mechanistic model INTRODUCTION Corrosion problems occur in every aspect of the oil and gas industry...

... advantage of altering the wettability of the steel surface from hydrophilic (water wet) to hydrophobic (oil wet) by forming a hydrophobic adsorption layer on the steel surface. In the current work, the ability of corrosion inhibitors to alter the wettability of the steel is investigated by measuring...

... in determining whether water will come in contact with the surface and how corrosive that water is. The corrosivity of crude oil containing water can be determined by a combination of three properties: ³⁰ the type of emulsion formed between oil and water, the wettability of the steel surface...

...Since the effects of paraffins on CO₂ corrosion and wettability are studied using a long-chain paraffin-oil mixture, it is necessary to study the properties of the mixture and how they change depending on the concentration of eicosane therein. The chosen mixtures are 0% (pure model oil...

... inhibition and wettability alteration, due to the adsorption of polar molecules onto the steel surface, is proposed. While the inhibition effect is dominant in oil-water stratified flow, the wettability alteration is dominant in turbulent flow. Consequently, both effects have to be taken into consideration...

...Asphaltenes acridine CO₂ corrosion carbon steel wettability inhibition INTRODUCTION Abstract Asphaltenes (heptane insolubles) from a variety of crude oils have been previously identified as contributors to inhibition of internal corrosion of mild steel pipelines. However...

.... Second, the crude oil affects the tendency of either water or crude oil to wet the surface, influencing steel corrosion. This is termed “wettability preference.” This effect is predominant when the crude oil and produced water are mixed as in turbulent pipe flow and in production tubulars...

... of crude oil in the corrosion of steel under oil and gas production conditions ^{1 - 8} . The inhibitory effect of crude oil has been attributed to composition, self-inhibitative properties, emulsion formation and stability, wettability, conductivity of the mixture, etc. The inhibition mechanisms...

.... This is termed wettability preference. This effect is predominant when the crude oil and produced water are mixed as in turbulent pipe flow and in production tubulars and is particularly significant for corrosion at low water contents. The corrosion rate break (CRB) water content experimentally measures...

... Water cut API gravity Wettability Corrosion Prediction INTRODUCTION It is commonly recognised that the presence of crude oil can reduce corrosion caused by CO₂ or H₂S dissolved in co-produced formation water. Corrosion of steel tubing in water containing dissolved acid gases...

...The oil-solid and the water-solid interfacial energies cannot be measured directly, however, the oil-water interfacial tension and the contact angle can be determined in the laboratory. Therefore, the contact angle, θ_c has achieved significance as a measure of wettability...