The authors of the article have developed the computer application allows to determine the value of the friction coefficient and anti-turbulent additives efficiency with a high degree of accuracy. The program can be used in the calculations and…
Wax crystallization and deposition is a major flow assurance problem in production and transportation of waxy crude oil. Conventional flow improvers are mainly high molecular weight synthetic polymers, many of which are eco-toxic. Bio-based flow…
The present work focuses on the improvement of flow properties during the transportation of heavy oil via 0.0254-, 0.0381-, and 0.0508-m-diameter pipelines. The effect of temperature, water cut, natural extract Madhuca Longifolia (ML), and potato…
Transportation of heavy crude oil through pipelines poses a great challenge in oil and gas industry. Crude oil chokes the pipelines when the temperature drops below the pour-point temperature. In the present study, a bio-based additive, i.e., Cashew…
The transport of extra-heavy crude oil is a severe problem in the oil industry due to its viscosity, asphaltenes content, and tendency to precipitate. These crude oil's characteristics cause clogging of the pipes and increase production costs. One of…
Wax deposition in pipelines transporting crude oil is a serious problem as wax tends to precipitate under low temperature conditions observed during pipeline flow. The current research work embarks on the development of novel nanocomposite pour point…
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…
Wax deposition is a serious issue during the pipeline transportation of crude oil. This research work has investigated the effects of some important parameters on the flow characteristic of crude oil during the pipeline transportation in offshore and…
Crude oil transportation has been increasingly important for chemical industry, and to enhance the flowability of crude oil, various surfactants and amphipathic polymers have been utilized to form oil-in-water emulsions. As an alternative to…
In view of the situation that heavy oil well production fluid needs to be gathered and transferred by heating or with heat water to ensure the normal operation, a kind of cold transportation viscosity reducer was developed through the compounding of…
Wax formation creates flow assurance problems in the production and transportation of waxy crude oil. Flow improvers are added to waxy crude in order to reduce handling cost. Bio-based flow improvers derived from cheap renewable resources are…
Paraffin wax deposition has been a reoccurring problem in transportation of waxy crude oil in the oil industry. Chemical treatment had been the most convenient and economical method for tackling this problem. This paper considered the study on…
A series of experiments has been carried out in order to construct a master curve generalizing the combined impact of temperature and low viscosity additives on the viscosity of heavy crude oil. The goal was to establish the temperature–diluent…
Crude oil extraction, transportation and even its storage require a lot of struggle due to its high density, high viscosity and high pour point. To overcome these problems, polymers have attracted much attention as efficient chemical additive.…
In this research, a new method for evaluating the lubricating properties of prophylactic agents was developed. For the method, specialized metal models and a press with a strain-gauge s-shaped gauge, using for recording shear load indicators, were…
Abstract: Influence of the WC/NiCr additive on the cracking of maltenes of naphthenic crude oil from the Usa oil field has been studied. Maltene cracking was carried out at 450 for 2 h in the isothermal mode. Material balance of cracking, the…
The water-soluble fraction (WSF) of an oil contains different classes of petroleum hydrocarbons and, despite their low potential for bioaccumulation, these can be highly toxic to biota. Nematodes are usually the most abundant and species-rich group…
In this work, the effects of four different chemical inhibitors, namely a polymeric surfactant, synthesized -Al2O3/NiO nanoparticles, epoxy resin, and canola oil to inhibit asphaltene precipitation in three different crude oils collected from various…
Polymethyl methacrylate (PMMA, organic glass) is widely used as a substitute for glass, known as organic glass. During the processing and after use, there are amount of castoff. Based on the similar framework, PMMA could be useful the feed stock to…
Gas turbines are often the master pieces of the utilities that power Oil and Gas (O&G) installations as they most often operate in off-grid mode and must reliably deliver the electric power and the steam streams required by all the…
Producing bitumen using SAGD requires a significant amount of water and energy, resulting in a large amount of greenhouse gas emissions. Therefore, reducing the steam-oil ratio (SOR) in SAGD is critical to make the oil recovery process profitable and…
This review systematically reports the pyrolysis of oily sludge (OS) from petroleum industry in regards to its dual features of the energy recovery potential and the environmental risks. The petroleum hydrocarbons are the nonbiodegradable fractions…
Wax formation creates flow assurance problems in the production and transportation of waxy crude oil. Flow improvers are added to waxy crude in order to reduce handling cost. Bio-based flow improvers derived from cheap renewable resources are…
Synthesis of Compound Esters based on Acid Chloride of Low-Molecular Petroleum Acids of Baku Marine Oil Fields and Chiral Unsaturated Alcohols. The physicochemical properties of the compound naphthenic acid esters are determined, and the…
The Compania Espanola de Petroleos S.A.U. (Cepsa) is an integrated, energy service company that is active in the entire petroleum value chain. This chapter presents the activities of Cepsa in the field of biofuels. It discusses in detail different…
Wax deposition in pipelines transporting crude oil is a serious problem as wax tends to precipitate under low temperature conditions observed during pipeline flow. The current research work embarks on the development of novel nanocomposite pour point…
Wax deposition in pipelines transporting crude oil is a serious problem as wax tends to precipitate under low temperature conditions observed during pipeline flow. The current research work embarks on the development of novel nanocomposite pour point…
This review systematically reports the pyrolysis of oily sludge (OS) from petroleum industry in regards to its dual features of the energy recovery potential and the environmental risks. The petroleum hydrocarbons are the nonbiodegradable fractions…
Wax deposition is a serious issue during the pipeline transportation of crude oil. This research work has investigated the effects of some important parameters on the flow characteristic of crude oil during the pipeline transportation in offshore and…
A root cause of many oil industry production and flow problem is paraffin wax especially in cold and deep offshore fields which are at low temperatures. About 82 89% of the hydrocarbon produced in the world suffers when wax precipitates out and…
A root cause of many oil industry production and flow problem is paraffin wax especially in cold and deep offshore fields which are at low temperatures. About 82 89% of the hydrocarbon produced in the world suffers when wax precipitates out and…
The work is devoted to production of bio-additives based on rapeseed oil methyl and ethyl esters, which are suitable for the use in jet fuels. The application of vacuum distillation under low pressure was proposed for removal of additives and…
In this research, a process is discussed for upgrading reformate and power former in Iraq's Al-Doura refinery, by reducing the amount of benzene in the gasoline product with simultaneous reduction in the gasoline's ASTM distillation end point. The…
In this paper, the data of wax precipitation before and after the addition of the additives showed that the addition of the drag reducing agent (DRA) and the pour point depressant (PPD) cannot change the wax appearance temperature (WAT) of crude oil.…
Wax deposition is a serious issue during the pipeline transportation of crude oil. This research work has investigated the effects of some important parameters on the flow characteristic of crude oil during the pipeline transportation in offshore and…
The rheological behavior and its variation with temperature and refined product concentration of a crude oil sample coming from a quagmire of the separation station of Tin Fouye Tabankort oilfield/southern Algeria were investigated experimentally.…
Crude oil extraction, transportation and even its storage require a lot of struggle due to its high density, high viscosity and high pour point. To overcome these problems, polymers have attracted much attention as efficient chemical additive.…
The study was focused on evaluation of a novel approach for minimizing accumulation of tank bottom sludge during bulk storage of crude oil by using polymer dispersants. Fraction of basic sediments and water remaining in crude oil over a period of 6…
This research work focuses on the development of two polymeric compounds poly (n-dodecyl linoleate –co- succinic anhydride) and poly (n-dodecyl ricinoleate –co- succinic anhydride) from the naturally obtained vegetable oils fatty acids, which were…
A root cause of many oil industry production and flow problem is paraffin wax especially in cold and deep offshore fields which are at low temperatures. About 82 89% of the hydrocarbon produced in the world suffers when wax precipitates out and…
The oil boom in the North Dakota oilfields has resulted in improved energy security for the US. Recent estimates of oil production rates indicate that even completion of the Keystone XL pipeline will only fractionally reduce the need to ship this oil…
The evaluation of water content in crude oil is of significance to petroleum exploration and transportation. Terahertz (THz) waves are sensitive to fluctuations in the dipole moment of water. However, due to the strong absorption of water in the THz…
Research on rheological behavior of crude oil emulsion is vital due to complex behavior of crude oil. Usually, crude oil emulsion is found in mixed state with solid particles, organic additives and emulsifying agents. Crude oil emulsion can be…
In this paper, the data of wax precipitation before and after the addition of the additives showed that the addition of the drag reducing agent (DRA) and the pour point depressant (PPD) cannot change the wax appearance temperature (WAT) of crude oil.…
One of the methods to prevent wax precipitation, during petroleum production, transport, and refining, is the use of polymer additives that can reduce the oil pour point. However, no single additive work for all types of crude oil and this relation…
The low-temperature flow properties of waxy crude oils are considered the determining factor in the pipeline transportation. Such properties are highly affected by the content, composition and structure of wax. Polymeric additives known as pour point…
In the petroleum industry, the researchers have developed a new technique called enhanced oil recovery to recover the remaining oil in reservoirs. Some reservoirs are very complex and require advanced enhanced oil recovery (EOR) techniques containing…
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…
Wax deposition is a serious issue during the pipeline transportation of crude oil. This research work has investigated the effects of some important parameters on the flow characteristic of crude oil during the pipeline transportation in offshore and…
Crude oil transportation has been increasingly important for chemical industry, and to enhance the flowability of crude oil, various surfactants and amphipathic polymers have been utilized to form oil-in-water emulsions. As an alternative to…