公开(公告)号：US09822325B2

公开(公告)日：2017-11-21

申请号：US14713532

申请日：2015-05-15

Applicant: S.P.C.M. SA

Inventor： Cédrick Favero ,  Olivier Braun ,  Pierrick Cheucle ,  Bernard Quillien

IPC: C10M173/00 ,  C10M173/02 ,  C10M151/02 ,  C10L1/02 ,  C10L1/196 ,  C10L1/236

CPC classification number: C10M151/02 ,  C10L1/023 ,  C10L1/1963 ,  C10L1/2364 ,  C10L2200/0469 ,  C10L2230/14 ,  C10L2250/04

Abstract: This invention involves a process for reducing friction in ethanol during its transport through pipelines. This process involves combining ethanol with a polymer-based composition, characterized in that the polymer is obtained from at least 50 mol % of at least one monomer selected from the group comprising N-substituted acrylamides, N-substituted methacrylamides, N,N-substituted acrylamides, N,N-substituted methacrylamides, substituted acrylates and substituted methacrylates.

公开(公告)号：US11149186B2

公开(公告)日：2021-10-19

申请号：US16470461

申请日：2017-12-20

Applicant: S.P.C.M. SA ,  POWELTEC

Inventor： Cédrick Favero ,  Olivier Braun ,  Elvire Tognisso ,  Alain Zaitoun ,  Nazanin Salehi ,  Jérôme Bouillot

IPC: C09K8/588 ,  E21B43/16 ,  C09K8/92

Abstract: The present invention relates to a method for enhanced oil recovery by flushing an underground formation, comprising the injection into the underground formation of an aqueous composition comprising microgels having at least one crosslinked polymer, characterized in that the polymer is crosslinked with at least one crosslinking agent capable of being degraded under the temperature conditions of the underground formation, and a content of crosslinking agent between 1 and 90 ppm per mole with respect to the total number of moles of monomer constituting the polymer.

公开(公告)号：US10526525B2

公开(公告)日：2020-01-07

申请号：US15564658

申请日：2016-04-08

Applicant: S.P.C.M. SA

Inventor： Cédrick Favero ,  Olivier Braun ,  Thierry Leblanc

IPC: C09K8/508 ,  C08F220/58 ,  C08F290/06 ,  E21B43/25

Abstract: A method for diverting an underground formation comprises injecting, into the underground formation, an aqueous solution containing at least one heat-sensitive copolymer of a) at least one water-soluble monomer having at least one unsaturated function capable of being polymerized to form a water-soluble backbone, and b) at least one macromonomer of formula (I)