(19)
(11) EP 3 004 533 A1

(12)

(43) Date of publication:
13.04.2016 Bulletin 2016/15

(21) Application number: 14804946.3

(22) Date of filing: 29.05.2014
(51) International Patent Classification (IPC): 
E21B 43/16(2006.01)
E21B 43/17(2006.01)
(86) International application number:
PCT/US2014/039923
(87) International publication number:
WO 2014/194031 (04.12.2014 Gazette 2014/49)
(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

(30) Priority: 31.05.2013 US 201361829697 P

(71) Applicant: Shell Internationale Research Maatschappij B.V.
2596 HR The Hague (NL)

(72) Inventors:
  • VAN BATENBURG, Diederik Willem
    Rijswijk NL-2288 GS (NL)
  • BOERSMA, Diederik Michiel
    Rijswijk NL-2280 AB (NL)
  • ELEWAUT, Koenraad
    Rijswijk NL-2288 GS (NL)

(74) Representative: Matthezing, Robert Maarten 
Shell International B.V. Intellectual Property Services P.O. Box 384
2501 CJ The Hague
2501 CJ The Hague (NL)

   


(54) PROCESS FOR ENHANCING OIL RECOVERY FROM AN OIL-BEARING FORMATION