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Surfactants as Integral Components of Chemical Demulsifiers

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Surfactants in Upstream E&P

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Abstract

Emulsions are thermodynamically unstable systems, since they will separate to reduce the interfacial area between the oil phase and the water phase, as a function of time. As a metastable system, surfactant molecules, amphiphilic polymers or solid particles must be present before a stable emulsion system is formed. These components of an emulsion system are called emulsifiers. The relative balance of the hydrophilic and lipophilic properties of these emulsifiers is known to be the most important parameter dictating the emulsion type, whether an oil-in-water (o/w) or water-in-oil (w/o) emulsion. Irrespective of the emulsion type formed, demulsification is a costly exercise in the oil and gas industry. This chapter describes the fundamental role played by surface active agents (surfactants) as integral components of a chemical demulsifier.

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Authors and Affiliations

  1. Nigeria Petroleum Development Company (NPDC), Benin City, Nigeria

    Abubakar A. Umar, Nobert I. Nnakenyi & I. H. Roy-Omeni

  2. The University of Salford, Manchester, M4 5WT, UK

    Muhammad K. Abba

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  1. Abubakar A. Umar
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  2. Nobert I. Nnakenyi
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  3. Muhammad K. Abba
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  4. I. H. Roy-Omeni
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Correspondence to Abubakar A. Umar .

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Editors and Affiliations

  1. Center for Integrative Petroleum Research (CIPR), King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

    Theis Solling

  2. Center for Integrative Petroleum Research (CIPR), King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

    Muhammad Shahzad Kamal

  3. Center for Integrative Petroleum Research (CIPR), King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia

    Syed M. Shakil Hussain

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Umar, A.A., Nnakenyi, N.I., Abba, M.K., Roy-Omeni, I.H. (2021). Surfactants as Integral Components of Chemical Demulsifiers. In: Solling, T., Shahzad Kamal, M., Shakil Hussain, S.M. (eds) Surfactants in Upstream E&P. Petroleum Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-70026-3_16

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  • DOI: https://doi.org/10.1007/978-3-030-70026-3_16

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