(19)
(11) EP 4 157 962 A1

(12)

(43) Date of publication:
05.04.2023 Bulletin 2023/14

(21) Application number: 20743229.5

(22) Date of filing: 27.05.2020
(51) International Patent Classification (IPC): 
C09K 8/588(2006.01)
C08J 3/05(2006.01)
 B01F 3/12(2006.01)
E21B 43/16(2006.01)
(52) Cooperative Patent Classification (CPC):
C09K 8/588; C08J 3/05; E21B 21/062; B01F 23/451; B01F 23/53; B01F 23/59; B01F 25/31331; B01F 27/1145; B01F 27/9214; B01F 33/811; B01F 33/821
(86) International application number:
PCT/IB2020/000533
(87) International publication number:
WO 2021/240198 (02.12.2021 Gazette 2021/48)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: TOTALENERGIES ONETECH
92400 Courbevoie (FR)

(72) Inventor:
  • JOUENNE, Stephane
    64320 Bizanos (FR)

(74) Representative: Lavoix 
2, place d'Estienne d'Orves
75441 Paris Cedex 09
75441 Paris Cedex 09 (FR)

   


(54) METHOD FOR PRODUCING A VISCOSIFIED WATER FOR INJECTING IN A WELL, RELATED PROCESS AND EQUIPMENT