Brine-Soluble Zwitterionic Copolymers with Tunable Adsorption on Rocks | Zendy

Yuan He | Zendy; Haleema Alamri | Zendy; Mohammed Kawelah | Zendy; Ayrat Gizzatov | Zendy; Mariam F. Alghamdi | Zendy; Timothy M. Swager | Zendy; Shahong Zhu | Zendy

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Brine-Soluble Zwitterionic Copolymers with Tunable Adsorption on Rocks

Author(s) -

Yuan He,

Haleema Alamri,

Mohammed Kawelah,

Ayrat Gizzatov,

Mariam F. Alghamdi,

Timothy M. Swager,

Shahong Zhu

Publication year - 2020

Publication title -

acs applied materials and interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.535

H-Index - 228

eISSN - 1944-8252

pISSN - 1944-8244

DOI - 10.1021/acsami.0c02247

Subject(s) - adsorption , copolymer , polymer , brine , materials science , chemical engineering , enhanced oil recovery , aqueous solution , monomer , petroleum , organic chemistry , composite material , chemistry , engineering

Injection of aqueous fluids into reservoirs as an enhanced oil recovery (EOR) tool has been of great interest in petroleum engineering. EOR using viscous polymer solutions improves the volumetric sweep efficiency. However, significant polymer adsorption on reservoir rock surfaces is one of the greatest challenges in polymer-flooding EOR. We have synthesized and characterized five zwitterionic copolymers and studied their static adsorption on limestone surfaces in seawater at high temperatures and salinities. Our results indicate that polymer adsorption directly correlates to a small percentage of functional co-monomers on the polymer backbone. One particular copolymer shows negligible static adsorption on limestone surfaces.

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