“Insulator-conductor” composite structures have been extensively used in a vast number of fields in recent years. However, due to different factors including but not limited to environmental and adverse working conditions, the interface between the…
Corrosion detector using an array of planar Cu electrodes is demonstrated. The planar Cu electrodes are patterned from commercially available single-sided printed circuit board (PCB). The ten electrodes exhibit anodic and cathodic characteristics by…
A digital microfluidic modular interface (chip-to-chip interface) which possesses an electrode with an orifice to vertically transport coreshell droplets is presented. The electrodes were geometrically designed to promote droplet deformation and…
It is known that 1,2,3 benzotriazole (BTA) can effectively limit the oil flow electrification in oil-paper insulation used in HVAC transformers. But it is still unclear whether BTA is applicable to converter transformers. Thus, the effects of BTA on…
Objectives/Scope: Mature fields operations, which are almost 70% of today's production have a high water cut content. For each barrel of oil produced there can be 3 or more barrels of water. This means that operational conditions are challenging and…
Liquid holdup is one of the most significant parameters in multiphase flow. Accurate measurement of liquid holdup is required to calculate pressure drops in oil and gas wells which is essential in analyzing the well production, performance, well…
Reliable corrosion monitoring of natural gas transmission lines is a major tool providing a foundation for safe management of natural gas infrastructures. Through the development of membrane-based electrochemical sensors which are able to function in…
Vanadium sesquioxide (V2O3) is a promising electrode material for lithium-ion batteries and beyond, yet it encounters structural and cyclic instability issues. Although advances have been made with diverse material combination prototypes, the…
Flexible electronic devices (FEDs) based on hydrogels are attracting increasing interest, but the fabrication of hydrogels for FEDs with adhesiveness and high robustness in harsh-temperature conditions and long-term use remains a challenge. Herein,…
A silicon microparticulate material (SiMP) used as the anode for lithium-ion batteries promises higher volumetric capacity and less interfacial reactions than its costly nanoparticulate counterpart. However, what mostly hinders its practical use is…
A commercial Fe-C material (P265GH) used for natural gas delivery and transportation systems was analyzed in H2S atmosphere in order to establish the corrosion resistance. In most of the industrial processes for gas purification the corrosion rate is…
The hierarchically porous hollowcarbon spheres (HPHCSs) are synthesized by activating the hollowcarbon spheres (HCSs) derived from the template-directing method using SiO2 spheres and waste tire pyrolysis oil (WTPO) as templates and carbon precursor,…
The development of binder-free flexible electrode materials with high surface area and high electrical conductivity is desirable but remains a serious challenge for pseudocapacitive energy storage. In this work, a universal method is developed for…
Rational design and sustainable preparation of high-performance carbonaceous electrode materials are important to the practical application of supercapacitors. In this work, a cost-effective synthesis strategy for nitrogen and oxygen co-doped porous…
Novel edge-capped ZrO2 nanoparticles on V2O5 nanowires were successfully synthesized through a simple, eco-friendly, and inexpensive hydrothermal technique. The as-prepared nanostructures were characterized using various measurements to study their…
Integrating revolutionary perovskite solar cells with energy storage devices is a very promising technology to reduce the total cost of solar power utilization. Here, for the first time, lead-free (C6H5NH3)BiI4 perovskite materials were used as light…
By using the intrinsic polymorphism nature of Nb2O5 material, we employ three typical Nb2O5 phases (orthorhombic (T), tetragonal (M) and monoclinic (H) phases) in a single material, and optimize the phase composition to form nanodomains, which are…
Rational pore structure and surface properties of carbon materials are significant for their practical application in supercapacitors (SCs). Pursuing a simple and costless synthesis approach is of great importance, yet full of challenges. Herein,…
Aromatic hydrocarbons are one of the main components of petroleum and its fractions. However, the characterization of its molecular composition is still a technical challenge for mass spectrometry because of the lack of ionization methods, especially…
The effect of electric field nonuniformity on the processes of creation and destruction of water-oil emulsions during crude oil desalting was investigated. It is shown that electrodemulsification of crude oil in a uniform electric field is…
Summary Asphaltenes removal from heavy and extra-heavy crudes is paramount within the oil industry. This work describes several electrodeposition studies by considering the simultaneous presence of external magnetic fields and ferromagnetic…
The normal operating transformers encounter various kinds of stresses such as thermal stress, electrical stress, mechanical stress, and ambient effect that can expedite the deterioration process. Partial discharge occurs normally in high voltage…
Asphaltenes are regarded as troublesome components of crude oils as their precipitation and deposition inside production wells and downstream infrastructure often result in a reduction of production capacity and, in critical cases, production…
This study intended to examine whether the volatile compounds, oxidation stability and fatty acid profile of soybean oil are influenced by the refining process methods and conditions. To that end, an electrostatic field as a non-thermal technology…
Supercapacitors require the use of electrode materials exhibiting high surface area, thermal and environmental stability, low cost and good conductivity. Asphaltene, an undesired and problematic fraction of crude oil production, is one such…
This study examined the effect of voltage variation, the distance between electrodes and the application of a biosurfactant on the bio-electrokinetic remediation of soil contaminated with petrochemicals. The study was meant to correlate the…
This study investigated changes in soil ion content and soil water-holding capacity during electro-bioremediation (EK-Bio) of petroleum contaminated saline soil (ion content of 3.92 g/kg). The results indicated that the soil ions surrounded the…
Objectives/Scope: Mature fields operations, which are almost 70% of today's production have a high water cut content. For each barrel of oil produced there can be 3 or more barrels of water. This means that operational conditions are challenging and…
Summary Asphaltenes removal from heavy and extra-heavy crudes is paramount within the oil industry. This work describes several electrodeposition studies by considering the simultaneous presence of external magnetic fields and ferromagnetic…
As most of the oil fields gradually come to the middle and late exploitation period, the crude oil production becomes more complex, stable and water cut is also very high. This has brought challenges to oil–water separation in onshore and offshore…
The first applications of hydrogen in a natural gas grid will be the admixing of low concentrations in an existing distribution grid. For easy quality and process control, it is essential to monitor the hydrogen concentration in real time, preferably…
We describe herein the design of a small AC electrostatic model coalescer for investigating coalescence efficiency of water in oil emulsions. The function of the model coalescer is tested on emulsions with different water cuts. In the coalescer,…
Mature crude oil fields are often prone to high water cuts and high content of fines. The large population of small water droplets and fines forms very stable crude oil emulsions that are difficult to break using conventional treaters. The high water…
Naturally occurring palm kernel oil (PKO) and its ester derivatives are being considered as sustainable alternatives to synthetic oils for use as dielectric fluids. This paper reports on their dielectric properties, which have been studied and…
The issue of environmental protection has received constant attention from the state, and the problem of leakage of buried oil tanks has also been paid attention. This paper is based on the ECT method to detect the leakage of buried oil tanks,…
This article proposes a new method for detecting water content in oil-water emulsions by a coaxial double cylinder electrodes system. An equivalent circuit model of the system is developed that consists of the electrical double layers, sample…
As a new Non-destructive Evaluation (NDE) technique, capacitive imaging (CI) has been used to detect defects in oil pipelines, composite sucker rods and storage tanks in recent years. When a CI sensor is used to detect corrosion defect on a…
Electrical Capacitance Tomography (ECT) is a non-intrusive type of Process Tomography, which is used for obtaining information about the distribution of the contents of closed pipes by measuring variations in the dielectric properties of the material…
This article proposes a new method for detecting water content in oil-water emulsions by a coaxial double cylinder electrodes system. An equivalent circuit model of the system is developed that consists of the electrical double layers, sample…
A simple solution is presented for identifying the phase fraction and flow rate of a petroleum carrying pipeline with three-phase stratified smooth and wavy flow. The proposed method mounts a set of semicylindrical electrodes on the internal surface…
Aromatic hydrocarbons are one of the main components of petroleum and its fractions. However, the characterization of its molecular composition is still a technical challenge for mass spectrometry because of the lack of ionization methods, especially…
Aromatic hydrocarbons are one of the main components of petroleum and its fractions. However, the characterization of its molecular composition is still a technical challenge for mass spectrometry because of the lack of ionization methods, especially…
The first applications of hydrogen in a natural gas grid will be the admixing of low concentrations in an existing distribution grid. For easy quality and process control, it is essential to monitor the hydrogen concentration in real time, preferably…
As most of the oil fields gradually come to the middle and late exploitation period, the crude oil production becomes more complex, stable and water cut is also very high. This has brought challenges to oil–water separation in onshore and offshore…
Rational pore structure and surface properties of carbon materials are significant for their practical application in supercapacitors (SCs). Pursuing a simple and costless synthesis approach is of great importance, yet full of challenges. Herein,…
Supercapacitors require the use of electrode materials exhibiting high surface area, thermal and environmental stability, low cost and good conductivity. Asphaltene, an undesired and problematic fraction of crude oil production, is one such…
Pipe separators are currently being assessed as substitutes for conventional separators in the oil and gas industry for the separation of gas, oil and water. In the process of separation, the interface levels between the different media are important…
The calibration of a multiphase flowmeter is usually highly dependent on the flow regime of the mixture being monitored. Since the flow regime present in a pipeline cannot always reliably be predicted, then online calibration of such instruments is…
The flow patterns of oil/water two-phase flow in vertical upward pipes have been characterized by the analysis of symbolic time series based on the conductance fluctuating signals. It is shown that the temporal irreversibility and chi-square…
Protection for installations that have been modernized or retrofitted presents a unique mix of problems that require a different perspective from a new installation. The paper addresses lightning, transients, and radiation that causes problems on…