Nanocomposite coatings play a strategic role in the treatment of metal surfaces in the petroleum sector, especially steel oil transportation trucks, by providing novel materials exhibiting superior stability to various severe conditions. To confirm…
Nanocomposite coatings play a strategic role in the treatment of metal surfaces in the petroleum sector, especially steel oil transportation trucks, by providing novel materials exhibiting superior stability to various severe conditions. To confirm…
The effectiveness of glass-fiber reinforced plasticsGFRPmay decrease with age. This research aims to develop a quantitative healthanti-corrosion performancediagnosis method of the GFRP that applied inner surface of steel oil storage tanks during open…
The effectiveness of glass-fiber reinforced plasticsGFRPmay decrease with age. This research aims to develop a quantitative healthanti-corrosion performancediagnosis method of the GFRP that applied inner surface of steel oil storage tanks during open…
The recent transition to H2-based energy storage demands reliable H2 sensors that allow for easy, fast, and reliable detection of leaks. Conventional H2 detectors are based on the changes of physical properties of H2 probes induced by subsurface…
Conventional contaminated site assessment requires sophisticated sampling and laboratory analyses, which are costly and time consuming. There is a trend for soil analyses to shift from complex laboratory procedures to rapid, simple and…
The precipitation and deposition of asphaltenes often cause great troubles to the recovery and transportation of crude oil. Adding polymer inhibitors is an effective approach to prevent asphaltenes from clogging. In this study, maleic…
Development and the required availability of energy resources, especially oil, drew attention to developing methods for transporting high-viscosity and high-pour-point petroleum crude efficiently at a reasonable cost. For this purpose, graphite was…
Pour-point depressants (PPDs) were synthesized from natural sources and used in waxy crude oil transportation to reduce the pour point and improve flow. A biodegradable PPD (BPPD) was synthesized and tested to mitigate crude oil flow assurance…
High-density polyethylene pipes are prevailing in transportation of combustible natural gases, so their reliability deserves special attention. Amongst the diverse ageing effects that are usually taken into account, including internal pressure,…
With the present energy scenario, the oil companies are persuading to exploit crude oil resources with high viscosity and an extreme chemical composition which makes production and transportation complex. The rheology of crude oil is related to the…
The low-temperature flow properties of waxy crude oils are considered the determining factor in pipeline transportation. Polymeric additives known as pour point depressants (PPDs) have been developed to control the growth habits of wax crystals to…
During ethanol fermentation, ethanol accumulates in the medium and becomes a significant stress factor for yeast. Trehalose and glycogen are major carbohydrate storages and presumably protect cells from such stress conditions. In this study, batch…
Structural modifications of petroleum pitch and its subfractions induced by mild air-blowing modification have been monitored by elemental analysis, average molecular weight, Fourier transform infrared spectrometer (FTIR),1H nuclear magnetic…
Polyethylene glycols as phase change materials (PCMs) have good latent heat storage (LHS) characteristics, but the low thermal conductivity property significantly hinders their usage potential in thermal energy storage (TES) applications. Within this…
A novel bio-based polyurethane (BPU) hydroponic foam was developed by substituting up to 100% of petroleum-derived polyol with bio-polyol derived from cost-effective organosolv fractionation of Miscanthus in an acetic acid-water (9/1, v/v) mixed…
Solid-liquid phase change materials (PCMs) have been preferred for solar passive thermal energy storage (TES) applications. However, low thermal conductivity and leakage issue of molten PCMs considerably restrain their TES potential. In this…
This study aims to design a novel green nanocomposite based on the synergistic effect between silica nanoparticles (SN) and cardanol (CDN). The latter is an environmentally friendly dispersant compound extracted from the cashew nut shell waste. Three…
Interfacial tension (IFT) between oil and brine is key to determine the Capillary Number, which governs capillary forces in the porous medium. As a result, changes in IFT affect the displacement efficiency and the residual oil saturation having…
Asphaltenes are being a proxy of kerogen in the reservoir oil, which they have structural similarity. This characteristic provides an invaluable tool for obtaining oil fingerprints from the structural composition of asphaltenes. Since these compounds…
In the present study, raw silica fume (RSF) was evaluated as carrier matrix to create PEG-included form-stable latent heat storage materials (FS-LHSMs), and carbon nanofiber (CNF), carbon nanotube (CNT) and graphene nanoplatelet (GNP) were used for…
It is generally believed that asphaltenes and resins as the polar components in crude oil can get adsorbed at the oil/water interface and act as a surface active agents. However, due to the complex behavior of asphaltenes and resins, the…
The ability of geochemistry techniques in reservoir-continuity studies has already been proved. Most of the traditional methods mainly involve analyzing nonpolar components of crude oil and overlooking polar components. Despite valuable information…
W12# strain, which could produce biosurfactants with liquid wax as sole carbon source, was screened from oil-contaminated soil in Liaohe oilfield. Its effect on crude oil fluidity improvement was studied. Experimental results showed that W12# strain…
It is generally accepted that asphaltenes are the main stabilizing agents of water-in-crude-oil emulsions. However, the phenomenon of formation and stabilization of the colloid is complex and requires further studies. In this work, interfacially…
Petroleum industry produces a bulky rate of harmful environmental wastes. Recycling of these wastes to produce added value products is of prim importance. In this work, Synthesis of sodium 4-dodecyl benzene sulfonate (SDBS) anionic surfactant from…
To investigate the influence of microbial wax removal and viscosity reduction technologies on the fluidity of waxy crude oil, this study took the waxy crude oil from China's Daqing Oilfield as the experimental object for microbial wax removal and…
Cellulose derivatives are widely applied in the field of oil and gas exploration. However, this kind of natural polymers always shows poor temperature resistance due to their organic nature. To improve the temperature resistance of hydroxyethyl…
In this work, the catalytic aquathermolysis process of a Colombian heavy crude oil was studied. Reactivity tests were conducted in a microbatch reactor at 270 C and saturation pressure of 5.5 MPa, during 66 h, using iron and molybdenum naphthenates…
The removal of crude oil in saline water from microemulsion by cotton linter fiber was investigated by batch sorption. The experimental sorption data were collected without changing the water pH, biosorbent dosage (0.5g/L), or medium rotation…
Crude oil refining processes generate a large amount of petroleum sludge (PS) in petroleum industries. Globally, PS has gained widespread attention to ensure its effective waste management. This study investigated the suitability of PS to provide an…
To efficiently remove Ni from crude oils and also without corrosion occurring in the process, polymer brush with core-shell structure (PAA@SiO2) was synthesized by radical polymerization, in which micro-sized SiO2 as the core and polyacrylic acid as…
Implementation of nanotechnology in oil and gas industries, particularly for enhanced oil recovery (EOR) has recently gained interest. In this work, graphene oxide (GO) has been synthesized and used as nano-demulsifier for crude oil in water (O/W)…
Thermal methods have attracted a significant attention for the extraction of high-viscosity oil and natural bitumen. One of the promising methods for enhanced oil recovery (EOR) is in-situ combustion (ISC). In the reservoir, the combustion process…
A new class of magnetically responsive and interfacially active Janus (MJanus) nanoparticles was designed and synthesized by sequential adsorption of cellulosic materials: hydrophobic ethyl cellulose (EC) and hydrophilic carboxymethyl cellulose (CMC)…
Through silane coupling and free radical polymerization, using SiO2 as core and poly4-vinylpyridine (P4VP) as shell, polymer brush with core-shell structure (P4VP@SiO2) was designed and synthesized. The structure of P4VP@SiO2 was further…
The present study reports, high-performance polymer absorbents for crude oil and organic solvents based on 3D cross-linked polystyrene-polymethyl methacrylate/divinyl benzene (PS-PMMA/DVB). The preparation of the 3D cross-linked polymer absorbents…
Relatively low cost, environmental friendly, and high-efficiency silicon dioxide/carbon sphere composite demulsifiers (SiO2@CS) were prepared via an in situ hydrothermal-calcination route. They were characterized by Fourier-transform infrared…
This work investigates the thermo-oxidative behaviour of saturates, aromatics, and resins, at different pressures of 0.084, 3.0, and 6.0 MPa. Saturates (S), aromatics (Ar), and resins (R) were characterized by elemental analysis, vapor pressure…
Mixed matrix membranes (MMMs) have received worldwide attention for natural gas purification due to their superior performance in terms of permeability and selectivity. The zeolitic imidazole framework-8 (ZIF-8) blended polysulfone (PSf) membranes…
Multivariate optical computing (MOC) is a compressed sensing technique enabling the measurement of analytes in a complex interfering mixture under harsh conditions. In this work, we describe the design, modeling, fabrication, and validation of a…
Following a previously reported experimental procedure, a heavy petroleum sample was fractionated by mixing a predefined volume of oil with liquid propane above its saturation pressure at different propane/oil ratios. The separated fractions,…
In this study, the evolution of different chemical groups and isotopic fractionation at different maturation stages of coals were investigated by gold-tube pyrolysis, detailed geochemical analysis and theoretical calculations based on Density…
In the current research, an analytical method was proposed for rapid quantitative determination of saturates, aromatics, resins and asphaltenes (SARA) fractions of crude oil samples. Rapid assessments of SARA analysis of crude oil samples are of…
In this study, the infrared spectrum (4000–400 cm−1) was applied to identify and classify the different alkanes based on carbon chain length (Cn). It was found there were two bands coherent to the doublet at location 2954 and 2872 cm−1, respectively…
The objective of this study was to evaluate the Calotropis procera fiber treated with NaOH combined with heat treatment as sorbent material for removal of petroleum and derivatives in cases of oil spill. The effects of oil viscosity, fiber/oil…
Molecular profiling of crude oil is a tremendous challenge due to its inherent complexity. An accurate molecular fingerprint of a crude oil may facilitate rational design of crude oil recovery efforts, such as enhanced oil recovery, improve the…
Abstract: In this study the surface of bio-based polyurethane foam was enriched with different contents of catalyst residue from the petroleum industry. The foams were prepared with different residue contents, 20, 50, and 80 wt% relative to the total…
The aim of the current study was to investigate and study adsorption and nanofiltration systems for separation of total petroleum hydrocarbons (TPH) from wastewater generated by an oil refinery in Bushehr, Iran. In the first step (previous study),…