Patents Assigned to MOL Magyar Olaj és Gázipari Nyilvánosan MüködöRészvénytársaág
  • Polymer-surfactant compositions for enhanced oil recovery process
    Patent number: 11781059
    Abstract: The present invention relates to a composition for an enhanced oil recovery process, said composition comprising (a) one or more anionic cocogem surfactants; b) one or more surfactants based on nonionic vegetable fatty acids (or their synthetic analogues); c) optionally one or more, preferably commercially available, co-surfactants; d) optionally one or more agents with phase transfer property, preferably an alcohol; and e) polyacrylamide as a flow modifier.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: October 10, 2023
    Assignee: MOL Magyar Olaj és Gázipari Nyilvánosan MüködöRészvénytársaág
    Inventors: László Bartha, Sándor Puskás, József Dudás, Roland Nagy, Árpád Vágó, István János Lakatos, Mária Törö