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Pipeline Transportation Of Heavy Crude Oil In Water Emulsion
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Book Synopsis Pipeline Transportation of Heavy Crude Oil-in-water Emulsion by : Liyana Nadirah Mat Suli
Download or read book Pipeline Transportation of Heavy Crude Oil-in-water Emulsion written by Liyana Nadirah Mat Suli and published by . This book was released on 2010 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing world energy demand, heavy crude oils represent a significant energy supply that will play an important role. However these petroleum products are known to present technical challengers in all phase operation which is reservoir, transportation, and refining. The crude oil has high viscosity that would be challenge and difficult to transport via pipeline. This researched focus on two parts, first factors that effect stability of crude oil in water during transportation part. Second part is breaking oil in water emulsions. These investigations used 4 different types of surfactant to study stability part, and two types of demulsifiers for breaking the emulsion. The result showed increasing of oil content, the speed and temperature mixing of the emulsion resulted in increased emulsion stability. Span 80 is the most stable emulsifier for emulsion stability compared to the other surfactant. The graph plot between shear rate and shear stress shows the behavior of the crude oil. Demulsification of the stable crude oil in water emulsion was achieved by using hexylamine with 2% concentration which is the best demusifier.
Book Synopsis Pipe-line Transportation of Heavy Oil-in-water Emulsion by : Vickneswaran Nagaratnam
Download or read book Pipe-line Transportation of Heavy Oil-in-water Emulsion written by Vickneswaran Nagaratnam and published by . This book was released on 2010 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: The diverse factors affecting the viscosity of a viscous crude oil-in-water emulsion for pipeline transportation were studied. The factors that are taken into account is effect of oil content, type and concentration of the surfactant, and speed of mixing, Agent in water method is used in the preparation of oil in water emulsions. The oil content ratio used in this study is 50-50, 70-30, and 90-10 by volume. Different surfactants, namely Triton X-100, Span 80 and Tween 80 are used to determine the best surfactant to emulsify heavy oil. The speed of mixing used in this study is 1000rpm, 1500rpm and 2000rpm. This study is conducted in room temperature. Amine functional group demulsifier are used to study the destabilization of heavy oil in water emulsions. The demulsifier used in this study is hexylamine and dioctylamine. The viscosity of the oil in water emulsion was found to decrease as the oil content of the emulsion decreased, and the speed of mixing decreased. The stability of the crude oil-in-water emulsions increases as the oil content of the emulsions increases, the surfactant concentration increases, and the speed of mixing increases. Hexylamine remove more water over time in the destabilization process. Hence, hexylamine is a better demulsifier than dioctlamine. From this research it can be concluded that oil in water emulsion method can reduce the viscosity of heavy crude oil greatly.
Book Synopsis Pipeline Transportation for Heavy Crude Oil Via Oil-in-Water Emulsions by : Abdurahman Nour
Download or read book Pipeline Transportation for Heavy Crude Oil Via Oil-in-Water Emulsions written by Abdurahman Nour and published by LAP Lambert Academic Publishing. This book was released on 2011 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the combination of an increase in world energy demand and the decline of conventional oils, heavy crude oils have been presented as a relevant hydrocarbons resource for use in the future. Hydrocarbon resources are very important given that they account for approximately 65% of the world's overall energy resources. Currently, there are three general approaches for transportation of heavy and extra heavy oil: viscosity reduction, drag minimization and in-situ oil upgrading. This book introduces Another promising pipeline technique is the transport of viscous crudes as concentrated oil-in-water (O/W) emulsions.
Book Synopsis Optimized Heavy Oil-in-water Emulsions for Flow in Pipelines by : Nabijan Nizamidin
Download or read book Optimized Heavy Oil-in-water Emulsions for Flow in Pipelines written by Nabijan Nizamidin and published by . This book was released on 2016 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oilfield operations such as drilling, reservoir management, and production require the injection and/or production of complex fluids to improve the extraction of crude oils. Some of these complex fluids such as drilling muds, fracking fluids, foams, emulsions, surfactants, and polymers, fall under the classification of colloidal suspensions which is one substance of microscopically dispersed insoluble particles suspended throughout another substance. These colloidal suspensions show complex rheological properties that are dependent on the suspension properties, flow conditions, and flow conduit dimensions. Rheology of colloidal suspensions is a complex subject that is still being investigated. The focus of this study is on heavy oil-in-water emulsions. Heavy oil and bitumen resources account for approximately 70% of the remaining oil discovered to date in the world. Heavy crude oils are costly to produce, transport, and refine compared to light crude oils due to the high viscosity of heavy crude oils. To improve the economic viability of producing heavy oils, especially in a time with low crude oil prices, operational expenses must be reduced. One of the main areas to improve is the cost associated with transporting produced heavy oils from production wells to refineries. Currently, heavy oils are diluted with low viscosity diluents such as condensates and light crude oils to lower the mixture viscosity below 350 cSt before heavy oils can be transported through pipelines. The diluted mixtures require up to 50% (vol.) diluents to lower the heavy oil viscosity. High demand and low supply of condensates and constrained pipeline capacities have resulted in pipeline transportation costs of up to $22/bbl of diluted heavy oil from Canada to refineries in the U.S. An alternative method of transporting heavy oils is to transport heavy oils in an emulsified form, heavy oil-in-water emulsions, which can show orders of magnitude lower viscosities compared to the viscosity of heavy oils. In this study, a simple, one-step method of preparing heavy oil-in-water emulsions was developed. The physical properties of heavy oil-in-water emulsions are controlled and modified by optimizing the chemical formulation used to prepare emulsions. Stable heavy oil-in-water emulsions can be prepared with chemical formulations that are tailored to the type of heavy oils and available water sources which can range from freshwater to softened seawater. The rheology of heavy oil-in-water emulsions has been characterized with a rotational viscometer. Heavy oil-in-water emulsions, especially concentrated emulsions, showed complex rheological properties such as shear thinning behavior, two-step yield stresses, two-step wall slips, and rheopexy. A rheological equation and a wall slip equation have been developed to model the rheology of heavy oil-in-water emulsions over a range of shear rates and flow conduit dimensions. Heavy oil-in-water emulsions characterized with capillary tube viscometers showed drastically different viscosity measurements compared to the viscosity measurements obtained with a rotational viscometer. This is important because the flow of emulsions in pipelines are similar to the flow of emulsions in capillary tube viscometers, not rotational viscometers. The lower viscosities measured with capillary tube viscometers are attributed to oil droplet migration away from the tube walls due to the shear heterogeneity observed in Poiseuille (tube) flow. A scaling equation was proposed to relate the viscosity measurements of emulsions with a rotation viscometer to the viscosity measurements of emulsions with capillary tube viscometers. The rheological measurements of heavy oil-in-water emulsions are used to estimate the flow of emulsions in crude oil pipelines with various radii. Viscosity measurements of optimized heavy oil-in-water emulsions with a rotational viscometer showed that heavy oil-in-water emulsions with up to 75% dispersed heavy oil can be successfully transported in crude oil pipelines. Adding the effect of oil droplet migration measured with capillary tube viscometers, heavy oil-in-water emulsions with up to 85-90% dispersed heavy oil can be successfully transported in crude oil pipelines. The cost of chemicals used to prepare 85% heavy oil-in-water emulsion is approximately $1-3/bbl of emulsion. Heavy oil-in-water emulsions also showed drag reduction properties which can significantly increase the maximum flow capacity of crude oil pipelines. Transporting heavy oils as concentrated heavy oil-in-water emulsions appeared to be a competitive if not a better method of lowering heavy oil viscosity compared to the diluent method in terms of cost and flow performance in pipelines.
Book Synopsis Characterization, Demulsification and Transportation of Heavy Crude Oil by : Abdurahman H. Nour
Download or read book Characterization, Demulsification and Transportation of Heavy Crude Oil written by Abdurahman H. Nour and published by LAP Lambert Academic Publishing. This book was released on 2012-02 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stable concentrated oil-in-water (O/W) emulsions were prepared and their application for heavy oil pipeline transportation was investigated using very viscous Malaysian heavy crude oil. Two Malaysian heavy crude oil samples, Tapis and a blend of Tapis and Masilla, were used to produce heavy crude oil-in-water emulsions. The diverse factors affecting the properties and stability of emulsions were investigated. There was a restricted limit of 68 vol. % and 72 vol. % for crude oil content in the emulsions, and beyond that limit, the emulsion underwent phase inversion. The study revealed that the stability of the oil-in-water emulsion stabilized by Triton X-100 increases as the surfactant concentration increases, with a subsequent decrease in the crude oil-water interfacial tension (IFT). Increasing the oil content, the speed and duration of mixing, the salt concentration and the pH of the aqueous phase of the emulsion; resulted in increased emulsion stability, while increases in the temperature of the homogenization process substantially reduced the viscosity of the prepared emulsions.
Book Synopsis Study on Wax Deposition of Heavy Crude Oil in Pipeline Transportation by Using Oil in Water Emulsion Method by : Nor Salwani Ismail
Download or read book Study on Wax Deposition of Heavy Crude Oil in Pipeline Transportation by Using Oil in Water Emulsion Method written by Nor Salwani Ismail and published by . This book was released on 2013 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flow Enhancement in Pipeline Transportation for Heavy Crude Oil Emulsion by : Nurul Hafiza Norden
Download or read book Flow Enhancement in Pipeline Transportation for Heavy Crude Oil Emulsion written by Nurul Hafiza Norden and published by . This book was released on 2014 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surfactants by : Laurier Lincoln Schramm
Download or read book Surfactants written by Laurier Lincoln Schramm and published by Cambridge University Press. This book was released on 2000-03-23 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 2000 book provides an introduction to the nature, occurrence, physical properties, propagation, and uses of surfactants in the petroleum industry.
Book Synopsis Processing of Heavy Crude Oils by : Ramasamy Marappa Gounder
Download or read book Processing of Heavy Crude Oils written by Ramasamy Marappa Gounder and published by . This book was released on 2019-12-18 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization, Demulsification and Transportation of Heavy Crude Oil Via Oil-in-water (o/w) Emulsion by : Chew Fern Tan
Download or read book Characterization, Demulsification and Transportation of Heavy Crude Oil Via Oil-in-water (o/w) Emulsion written by Chew Fern Tan and published by . This book was released on 2012 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of heavy crude oil is limited due to its high viscosity. It is expected to increase in the future as low viscosity crudes are depleted. The high viscosity lead to increase of pump energy as it creates high pressure drop. In order to reduce the viscosity of the heavy crude, it is suggested to mix it with water and optimum emulsifiers to create a lower viscous fluid, oil-in-water (O/W) emulsions. In this study, both chemical and physical properties of O/W emulsion that prepared by using cocoamide DEA (nonionic and biodegradable surfactant that synthesis from coconut oil) and two types of conventional chemical emulsifiers (Span 83 and Triton X-100) were investigated. O/W emulsions with two different ratios (50-50% and 65-35%) were prepared at three different mixing speed (500rpm, 1000rpm and 1500rpm) with the concentrations (0.2 wt%, 0.5 wt% and 1.0 wt%) of each emulsifier. These emulsions were tested for relative rates of water separation (stability test), viscosity, shear stress and shear rate at varied temperature and stirring speed of Brookfield viscometer. While the droplet size was carried out by using Carl Zeiss Research Microscope and its software. Results sho that Span 83 at 1.0 wt% mixed with 65-35% O/W with 1500rpm mixing speed obtained the most stable emulsion for transportation compared to the other two. Then, its chemical properties were tested via Fourier Transform Infrared (FTIR). These chemical properties are important in order to predict the occurrence of wax deposition during the transportation. The transportation of the emulsion then carried out by using the laboratory scale pipeline. Demulsification is the process of separation of water from crude oil. Crude oil need to be separate efficiently and quickly from the water to allow further treatment. This is to ensure the crude oil value can be maximized and the operating cost can be minimized. Demulsifiers (Hexylamine and Coco Amine) with different concentrations (0.2 wt% and 0.5 wt%) were used for transportation. The relative rates of water separation were characterized via beaker test. Coco amine that synthesized from coconut oil promotes the best coalescene of droplets compared with the conventional demulsifier that used in this study which is hexylamine.
Book Synopsis Oil-in-water Emulsion Technique Enhancement for Viscous Crude Oil Flow in Pipelines by : Muhammad Fawwaz Abdul Wahab
Download or read book Oil-in-water Emulsion Technique Enhancement for Viscous Crude Oil Flow in Pipelines written by Muhammad Fawwaz Abdul Wahab and published by . This book was released on 2015 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production of heavy crude oil is limited due to its high viscosity. It is expected to increase in the future as low viscosity crudes are depleted. The high viscosity lead to the increasing of pump energy as it creates high pressure drop. In order to reduce the viscosity of the heavy crude, it is suggested to mix it with water and optimum emulsifiers to create a lower viscous fluid, oil-in-water (O/W) emulsions. In this study, both chemical and physical properties of O/W emulsion that is prepared by using cocoamide DEA (non-ionic and biodegradable surfactant that synthesis from coconut oil) and two types of conventional chemical emulsifiers (Span 80 and Triton X-100) were investigated. O/W emulsions with three different ratios (50 - 50% and 65 - 35% and 80 - 20%) were prepared at a mixing speed of 2000 rpm with the concentrations of (1.0 wt%, 1.5 wt% and 2.0 wt%) of each emulsifier. These emulsions were tested for relative rates of water separation (stability test), viscosity, shear stress and shear rate at room temperature and stirring speed of Brookfield viscometer. While the droplet size was carried out by using Carl Zeiss Research Microscope and its software. Result shows that Span 80 at 1.0 wt% mixed at each ratio of 50 - 50%, 65 - 35% and 80 - 20% O/W with 2000 rpm mixing speed obtained the most stable emulsions for transportation compared to the other emulsifiers. Demulsification is the process of separation of water from crude oil. Crude oil needs to be separated efficiently and quickly from the water to allow further treatment. This is to ensure the crude oil value can be maximized and the operating cost can be minimized. Demulsifiers (Hexylamine, Cocamide MEA and Dioctylamine) with different concentrations (1.0 wt%, 1.5% and 2.0 wt%) were used for demulsification. The relative rates of water separation were characterized via beaker test.
Book Synopsis Pipeline Transportation of Heavy Oil-in-water Emulsions by : Barbara Ellen Wyslouzil
Download or read book Pipeline Transportation of Heavy Oil-in-water Emulsions written by Barbara Ellen Wyslouzil and published by . This book was released on 1985 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pipeline Transportation of a Colombian Crude Oil as an Oil-in-water Emulsion by : Hugo O. Gonzales
Download or read book Pipeline Transportation of a Colombian Crude Oil as an Oil-in-water Emulsion written by Hugo O. Gonzales and published by . This book was released on 1974 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heavy Crude Oils by : Alain-Yves Huc
Download or read book Heavy Crude Oils written by Alain-Yves Huc and published by Editions TECHNIP. This book was released on 2011 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heavy oils, extra-heavy oils and tar sands are major players for the future of energy.They represent a massive world resource, at least the size of conventional oils. They are found all over the world but Canada and Venezuela together account, by themselves, for more than half of world deposits. They share the same origin as the lighter conventional oils, but their geological fate drove them into thick, viscous tar-like crude oils. Most of them result from alteration processes mediated by microbial degradation. They are characterized by a low content of lighter cuts and a high content of impurities such as sulfur and nitrogen compounds and metals ; so, their production is difficult and deployment of specific processes is required in order to enhance their transportability and to upgrade them into valuable products meeting market needs, and honouring environmental requirements.Although these resources are increasingly becoming commercially producible, less than 1% of total heavy crude oil deposits worldwide are under active development. The voluntarily wide scope of this volume encompasses geology, production, transportation, upgrading, economics and environmental issues of heavy oils. It does not pretend to be exhaustive, but to provide an authoritative view of this very important energy resource.
Book Synopsis Crude Oil Emulsions by : Manar Abdel-Raouf
Download or read book Crude Oil Emulsions written by Manar Abdel-Raouf and published by BoD – Books on Demand. This book was released on 2012-03-02 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Petroleum "black gold" is the most important nonrenewable source of energy. It is a complex mixture of different phases and components. Refining it provides a vast number of organic compounds, all of them of which are used to produce petroleum based products for numerous applications, from industry to medicine, from clothing to food industries. We can find petroleum based products all around us. This book deals with some important topics related to petroleum such as its chemical composition and stability. It is well-known that the chemical composition of crude oil differs according to the site of production, and its grade varies from waxy to asphaltenic crude. Both of them are refined to produce different products. The stability of crude oil on aging and transportation is governed by several factors and these factors are included within this book. Some new technologies for petroleum characterization are also introduced. This book is aimed at researchers, chemical engineers and people working within the petroleum industry.
Book Synopsis Oil in the Sea III by : National Research Council
Download or read book Oil in the Sea III written by National Research Council and published by National Academies Press. This book was released on 2003-03-14 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the early 1970s, experts have recognized that petroleum pollutants were being discharged in marine waters worldwide, from oil spills, vessel operations, and land-based sources. Public attention to oil spills has forced improvements. Still, a considerable amount of oil is discharged yearly into sensitive coastal environments. Oil in the Sea provides the best available estimate of oil pollutant discharge into marine waters, including an evaluation of the methods for assessing petroleum load and a discussion about the concerns these loads represent. Featuring close-up looks at the Exxon Valdez spill and other notable events, the book identifies important research questions and makes recommendations for better analysis ofâ€"and more effective measures againstâ€"pollutant discharge. The book discusses: Inputâ€"where the discharges come from, including the role of two-stroke engines used on recreational craft. Behavior or fateâ€"how oil is affected by processes such as evaporation as it moves through the marine environment. Effectsâ€"what we know about the effects of petroleum hydrocarbons on marine organisms and ecosystems. Providing a needed update on a problem of international importance, this book will be of interest to energy policy makers, industry officials and managers, engineers and researchers, and advocates for the marine environment.
Book Synopsis Subsurface Upgrading of Heavy Crude Oils and Bitumen by : Cesar Ovalles
Download or read book Subsurface Upgrading of Heavy Crude Oils and Bitumen written by Cesar Ovalles and published by CRC Press. This book was released on 2019-07-24 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heavy crude oils and bitumen represent more than 50% of all hydrocarbons available on the planet. These feedstocks have a low amount of distillable material and high level of contaminants that make their production, transportation, and refining difficult and costly by conventional technologies. Subsurface Upgrading of Heavy Crude Oils and Bitumen is of interest to the petroleum industry mainly because of the advantages compared to aboveground counterparts. The author presents an in-depth account and a critical review of the progress of industry and academia in underground or In-Situ upgrading of heavy, extra-heavy oils and bitumen, as reported in the patent and open literature. This work is aimed to be a standalone monograph, so three chapters are dedicated to the composition of petroleum and fundamentals of crude oil production and refining. Key Features: Offers a multidisciplinary scope that will appeal to chemists, geologists, biologists, chemical engineers, and petroleum engineers Presents the advantages and disadvantages of the technologies considered Discusses economic and environmental considerations for all the routes evaluated and offers perspectives from experts in the field working with highlighted technologies
