Micro-emulsion-based dissolver for removal of mixed scale deposition

Salleh, Intan Khalida; Misra, Sanjay; Ibrahim, Jamal; Panuganti, Sai R.

doi:10.1007/s13202-019-0643-8

Cited by 17 publications

(9 citation statements)

References 26 publications

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“…Yet, they break easily with the slightest variation in temperature and pressure conditions. 59,60 Winsor's R ration is a convenient method to comprehend the phase behavior of microemulsions formed by surfactants in an oil−water system. The Winsor R ration is defined as follows in eq 9…”

Section: Fundamentals Of Surfactants and Their Propertiesmentioning

confidence: 99%

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Comprehensive Review on the Role of Surfactants in the Chemical Enhanced Oil Recovery Process

Chowdhury

Shrivastava

Kakati

et al. 2022

Ind. Eng. Chem. Res.

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With a constant upsurge in energy demand, production from depleted and harsh reservoirs through enhanced oil recovery techniques (EOR) has significantly increased. Among many EOR techniques, chemical EOR (cEOR) is one of the most widely used methods of oil extraction. Surfactants used in cEOR are instrumental in reducing interfacial tension (IFT) and altering the wettability of rock, which leads to additional oil recovery. This review draws attention to detail on surfactants from fundamentals to field scale. Properties of surfactants like phase behaviors, critical micelle concentration (CMC), hydrophilic–lipophilic balance and deviation, zeta potential, and their importance are discussed in depth. The presence of a saline environment, polymer, cosurfactant, and other factors affecting the performance of surfactant during the cEOR process are also elaborated. Key findings on surfactant adsorption on reservoir rock with other influencing aspects have also been reported in this study. Types of surfactants, from basic to the likes of polymeric, viscoelastic, Gemini, natural, and their effects on oil recoveries have been analyzed and compared. Special emphasis on emerging aids for surfactant flooding such as applications of nanotechnology, use amphoteric Janus particles, and synergies of surfactant–low salinity water flooding, along with their mechanisms and recent advances have been thoroughly duscussed. Lastly, the review delineates discerning criteria for the selection of surfactants, reviews recent field applications, and outlines the challenges that the industry faces while implementing surfactant cEOR. It has been found that exhaustive studies have been conducted on sandstones with success. However, extreme temperature and saline conditions in the case of carbonate reservoirs limit the applicability of surfactants, and the pursuit to accomplish its efficacy continues.

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Section: Fundamentals Of Surfactants and Their Propertiesmentioning

confidence: 99%

“…Type IV microemulsion systems exist in a single-phase emulsion that requires a higher concentration of surfactants and a sophisticated process for formulation. Yet, they break easily with the slightest variation in temperature and pressure conditions. , …”

Section: Fundamentals Of Surfactants and Their Propertiesmentioning

confidence: 99%

Comprehensive Review on the Role of Surfactants in the Chemical Enhanced Oil Recovery Process

Chowdhury

Shrivastava

Kakati

et al. 2022

Ind. Eng. Chem. Res.

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show abstract

“…All the oil and water domains are connected in the bicontinuous structure, and the surfactant/co‐surfactant is uniformly distributed between the oil and aqueous phases (R = 1). Dispersions with the Winsor III phase are isotropic, thermodynamically stable, transparent to the eye, and have a very low interfacial tension (Friberg et al, 2003; Kale & Deore, 2017; Paul & Moulik, 2001; Rao & McClements, 2012; Salager, 1996; Salager et al, 2005; Salleh et al, 2019).

R goodbreak= \frac{A_{italicCO}}{A_{italicCW}}

It is worth mentioning that the Winsor types I and II show two phases: an emulsion phase and an excess of oil (Winsor I) or water (Winsor II).…”

Section: Microemulsionsmentioning

confidence: 99%

Lecithins: A comprehensive review of their properties and their use in formulating microemulsions

Gutiérrez‐Méndez

Chávez-Garay

Leal‐Ramos

2022

Journal of Food Biochemistry

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Lecithins are a phospholipid-rich mixture recovered from the degumming process of crude vegetable oils. Since the nineteenth century, this by-product of oil processing has been used as a food and pharmaceutical ingredient. Lecithins' popularity as an ingredient in the pharmaceutical and food industries arises from their particular properties, such as their hydrophilic-lipophilic balance, critical micellar concentration, and assembly properties. However, there is limited knowledge of the use of lecithins to formulate pharmaceutical-and food-grade microemulsions. Unlike conventional emulsions, microemulsions are thermodynamically stable systems that offer longterm stability. Besides, microemulsions show nano-sized droplets, transparency, ease of preparation and scale-up, and do not require expensive equipment. This review aims to provide a comprehensive overview of lecithins, their properties, and their use in formulating microemulsions, a promising method to incorporate, protect, and deliver bioactive compounds in pharmaceutical and food products. Practical applicationsLecithins are a phospholipid-rich mixture recovered from the degumming process of crude vegetable oils. Since the nineteenth century, this by-product of oil processing has been used as a food ingredient. Lecithin phospholipids are commonly used as emulsifier agents in the food and pharmaceutical industries because of their particular properties. However, there is limited knowledge of the use of lecithins to formulate pharmaceutical-or food-grade microemulsions. Unlike conventional emulsions, microemulsions are stable systems that offer long-term stability, nano-sized droplets, transparency, ease of preparation and scale-up, and do not require expensive equipment. This review aims to provide a comprehensive overview of lecithins, their properties, and their use in formulating microemulsions, a promising method to incorporate, protect, and deliver bioactive compounds such as vitamins, flavors, antioxidants, nutrients, colors, antimicrobials, and polyphenols.

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“…Asphaltene was first defined by Boussingault (1837) as the "distillation residue of bitumen insoluble in alcohol and soluble in turpentine." This definition was later modified, however, due to an error in the initial part of the definition, which limited asphaltene presence to bitumen; this was later found to be incorrect (Golkari and Riazi 2017;Salleh et al 2019).…”

Section: Introductionmentioning

confidence: 99%

Critical review of asphaltene properties and factors impacting its stability in crude oil

Fakher

Ahdaya

Elturki

et al. 2019

J Petrol Explor Prod Technol

181

111

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Asphaltene is a component of crude oil that has been reported to cause severe problems during production and transportation of the oil from the reservoir. It is a solid component of the oil that has different structures and molecular makeup which makes it one of the most complex components of the oil. This research provides a detailed review of asphaltene properties, characteristics, and previous studies to construct a guideline to asphaltene and its impact on oil recovery. The research begins with an explanation of the main components of crude oil and their relation to asphaltene. The method by which asphaltene is quantified in the crude oil is then explained. Due to its different structures, asphaltene has been modeled using different models all of which are then discussed. All chemical analysis methods that have been used to characterize and study asphaltene are then mentioned and the most commonly used method is shown. Asphaltene will pass through several phases in the reservoir beginning from its stability phase up to its deposition in the pores, wellbore, and facilities. All these phases are explained, and the reason they may occur is mentioned. Following this, the methods by which asphaltene can damage oil recovery are presented. Asphaltene rheology and flow mechanism in the reservoir are then explained in detail including asphaltene onset pressure determination and significance and the use of micro-and nanofluidics to model asphaltene. Finally, the mathematical models, previous laboratory, and oilfield studies conducted to evaluate asphaltene are discussed. This research will help increase the understanding of asphaltene and provide a guideline to properly study and model asphaltene in future studies.

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Micro-emulsion-based dissolver for removal of mixed scale deposition

Cited by 17 publications

References 26 publications

Comprehensive Review on the Role of Surfactants in the Chemical Enhanced Oil Recovery Process

Comprehensive Review on the Role of Surfactants in the Chemical Enhanced Oil Recovery Process

Lecithins: A comprehensive review of their properties and their use in formulating microemulsions

Critical review of asphaltene properties and factors impacting its stability in crude oil

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