公开(公告)号：US20210171821A1

公开(公告)日：2021-06-10

申请号：US16771029

申请日：2018-12-13

Applicant: RHODIA OPERATIONS

Inventor： Vincent MIRALLES ,  Mikel MORVAN ,  David-James WILSON

IPC: C09K8/588 ,  C09K8/584 ,  E21B43/16

Abstract: The invention relates to aqueous formulations suitable as extraction fluid in enhanced oil recovery, which comprise: at least one surfactant; and at least one associative polymer, such as obtained by micellar radical polymerization by bringing into contact, in an aqueous medium: hydrophilic monomers, dissolved or dispersed in the aqueous medium; hydrophobic monomers in the form of a micellar solution; and at least one radical polymerization initiator; and preferably at least one radical polymerization control agent.