Multifunctional Foams And Emulsions For Subsurface Applications

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Multifunctional Foams And Emulsions For Subsurface Applications

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Author : Robin Singh (Ph. D.)
language : en
Publisher:
Release Date : 2017

Multifunctional Foams And Emulsions For Subsurface Applications written by Robin Singh (Ph. D.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

Foams and emulsions hold immense potential in assisting in the different stages of oil recovery processes such as enhanced oil recovery, drilling, and completion. This work is focused on developing robust, multifunctional foams or emulsions for subsurface applications, which offer unique advantages over conventional methods. The first half of the dissertation is focused on investigating novel foams stabilized using nanoparticles and/or surfactants to improve the gas enhanced oil recovery process. Gas flooding often has poor volumetric sweep efficiency due to viscous fingering, channeling, and gravity override. Foam is a promising tool to improve sweep efficiency in gas floods. It can reduce the mobility of gas by several orders of magnitude by increasing its apparent viscosity while keeping the liquid phase mobility unchanged. For sandstone reservoirs, which are typically water-wet in nature, two different approaches of foam stabilization using nanoparticles were developed. In the first approach, synergistic stabilization of foams with a mixture of hydrophilic nanoparticles and an anionic surfactant was investigated. Foam stability experiments in bulk and porous media tests showed that adding hydrophilic nanoparticles to surfactant formulations increases the foam stability. Microscopy revealed that nanoparticles are trapped in lamellae as well as at the Gibbs-Plateau borders. These nanoparticles act as physical barriers and retard the liquid drainage and the Ostwald ripening process. To fundamentally understand the role of nanoparticles in altering the foam dynamics in porous media, a high-pressure visualization experiment was performed in a 2D layered, heterogeneous porous media. This experiment showed that immiscible foams can result in significant incremental oil recovery of 25% to 34% OOIP (over waterflood). In the second approach, foam stabilized using in-situ surface-activated nanoparticles without any surfactant was explored as an EOR agent. The surface chemistry of the hydrophilic nanoparticles was tailored by adsorption of a small amount of short-chain surface modifiers to obtain surface-modified nanoparticles (SM-NP). Foam stabilization using these SM-NP was compared with that using a conventional surfactant to evaluate the potential of these SM-NP to act as an effective foaming agent. Carbonate reservoirs, which are typically highly heterogeneous and oil-wet in nature, pose additional challenges for an effective foam EOR process. Crude oils are typically detrimental to foam stability. An oil-wet carbonate will have a thin oil film on the surface and thus foam lamellae stabilization is challenging. Therefore, wettability-alteration of rock matrix toward water-wet condition using a surfactant is required to favor the in-situ foam stability. This work demonstrated for the first time a synergistic approach of using foams with wettability-altering capabilities for oil-wet systems. It was shown that optimal surfactant formulations can not only alter the wettability of a carbonate core from oil-wet to water-wet conditions, but also can significantly increase the in-situ foam stability even in presence of crude oil. The second half of the dissertation is focused on developing novel microencapsulation techniques using the concept of water-in-air powders for subsurface applications. A facile, one-step method was reported to encapsulate micro- or nano-sized hydrophilic particles using silica nanoparticles. The encapsulated particles can be released based on an external stimulus, such as a change in pH of the external continuous phase. The use of this novel carrier system was demonstrated for the delayed release of PPG particles for conformance control. The application of this technology was then explored for microencapsulating highly concentrated acids (~10 wt.% HCl) for acid treatment of shales. The advantages of these novel acid-in-air powders over conventional acid-in-oil emulsions (which are typically used for shale acidization processes) were illustrated in terms of the thermal stability, corrosion inhibition efficiency, and shale surface reactivity.

Emulsions Foams And Suspensions

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Author : Laurier L. Schramm
language : en
Publisher: John Wiley & Sons
Release Date : 2006-05-12

Emulsions Foams And Suspensions written by Laurier L. Schramm and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-12 with Science categories.

Until now colloid science books have either been theoretical, or focused on specific types of dispersion, or on specific applications. This then is the first book to provide an integrated introduction to the nature, formation and occurrence, stability, propagation, and uses of the most common types of colloidal dispersion in the process-related industries. The primary focus is on the applications of the principles, paying attention to practical processes and problems. This is done both as part of the treatment of the fundamentals, where appropriate, and also in the separate sections devoted to specific kinds of industries. Throughout, the treatment is integrated, with the principles of colloid and interface science common to each dispersion type presented for each major physical property class, followed by separate treatments of features unique to emulsions, foams, or suspensions. The first half of the book introduces the fundamental principles, introducing readers to suspension formation and stability, characterization, and flow properties, emphasizing practical aspects throughout. The following chapters discuss a wide range of industrial applications and examples, serving to emphasize the different methodologies that have been successfully applied. Overall, the book shows how to approach making emulsions, foams, and suspensions with different useful properties, how to propagate them, and how to prevent their formation or destabilize them if necessary. The author assumes no prior knowledge of colloid chemistry and, with its glossary of key terms, complete cross-referencing and indexing, this is a must-have for graduate and professional scientists and engineers who may encounter or use emulsions, foams, or suspensions, or combinations thereof, whether in process design, industrial production, or in related R&D fields.

Multifunctional Polymeric Foams

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Author : Soney C. George
language : en
Publisher: CRC Press
Release Date : 2023-03-24

Multifunctional Polymeric Foams written by Soney C. George and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-24 with Technology & Engineering categories.

Polymeric foams or cellular or expanded polymers have characteristics that makes their usage possible for several industrial and household purposes. This book is focused on the recent advancements in the synthesis of polymer foams, various foaming methods, foaming technology, mechanical and physical properties, and the wide variety of its applications. Divided into 11 chapters, it explains empirical models connecting the geometrical structure of foams with their properties including structure-property relations. This book: Describes functional foams, their manufacturing methods, properties, and applications. Covers various blowing agents, greener methods for foaming, and their emerging applicability. Illustrates comparative information regarding polymeric foams and their recent developments with polymer nanocomposite foams. Includes applications in mechanical, civil, biomedical, food packaging, electronics, health care industry, and acoustics fields. Reviews elastomeric foams and their nanocomposite derivatives. This book is aimed at researchers and graduate students in materials science, mechanical engineering, and polymer science.

Foams

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Author : RobertK. Prud'homme
language : en
Publisher: Routledge
Release Date : 2017-09-29

Foams written by RobertK. Prud'homme and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-29 with Science categories.

This volume discusses the physics and physical processes of foam and foaming. It delineates various measurement techniques for characterizing foams and foam properties as well as the chemistry and application of foams. The use of foams in the textile industry, personal care products, enhanced oil recovery, firefighting and mineral floatation are highlighted, and the connection between the microstructure and physical properties of foam are detailed. Coverage includes nonaqueous foams and silicone antifoams, and more.

Emulsions Foams Suspensions And Aerosols

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Author : Laurier L. Schramm
language : en
Publisher: John Wiley & Sons
Release Date : 2014-10-27

Emulsions Foams Suspensions And Aerosols written by Laurier L. Schramm and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-27 with Science categories.

This is the first book to provide an integrated introduction to the nature, formation and occurrence, stability, propagation, and uses of the most common types of colloidal dispersion in the process-related industries. The primary focus is on the applications of the principles, paying attention to practical processes and problems. This is done both as part of the treatment of the fundamentals, where appropriate, and also in the separate sections devoted to specifi c kinds of industries. Throughout, the treatment is integrated, with the principles of colloid and interface science common to each dispersion type presented for each major physical property class, followed by separate treatments of features unique to emulsions, foams, or suspensions. The first half of the book introduces the fundamental principles, introducing readers to suspension formation and stability, characterization, and fl ow properties, emphasizing practical aspects throughout. The following chapters discuss a wide range of industrial applications and examples, serving to emphasize the diff erent methodologies that have been successfully applied. The author assumes no prior knowledge of colloid chemistry and, with its glossary of key terms, complete cross-referencing and indexing, this is a must-have for graduate and professional scientists and engineers who may encounter or use emulsions, foams, or suspensions, or combinations thereof, whether in process design, industrial production, or in related R&D fields.

Multifunctional Nanocomposite Foams For Space Applications

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Author : Diandra J. Rollins
language : en
Publisher:
Release Date : 2016

Multifunctional Nanocomposite Foams For Space Applications written by Diandra J. Rollins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Electronic dissertations categories.

Foams Emulsions And Their Applications

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Author : Pacelli Zitha
language : en
Publisher:
Release Date : 2000

Foams Emulsions And Their Applications written by Pacelli Zitha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Emulsions categories.

Foam And Emulsion Control Agents And Processes

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Author : Jeanne C. Colbert
language : en
Publisher: William Andrew
Release Date : 1981

Foam And Emulsion Control Agents And Processes written by Jeanne C. Colbert and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Technology & Engineering categories.

Foams

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Author : Robert K. Prud'homme
language : en
Publisher: CRC Press
Release Date : 1995-10-12

Foams written by Robert K. Prud'homme and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-10-12 with Science categories.

This volume discusses the physics and physical processes of foam and foaming. It delineates various measurement techniques for characterizing foams and foam properties as well as the chemistry and application of foams. The use of foams in the textile industry, personal care products, enhanced oil recovery, firefighting and mineral floatation are highlighted, and the connection between the microstructure and physical properties of foam are detailed. Coverage includes nonaqueous foams and silicone antifoams, and more.

Fundamentals And Applications In The Petroleum Industry

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Author : M. L. L. Schram
language : en
Publisher:
Release Date : 1994

Fundamentals And Applications In The Petroleum Industry written by M. L. L. Schram and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.