(19)
(11) EP 3 857 024 A1

(12)

(43) Date of publication:
04.08.2021 Bulletin 2021/31

(21) Application number: 19769811.1

(22) Date of filing: 20.09.2019
(51) International Patent Classification (IPC): 
E21B 43/16(2006.01)
(86) International application number:
PCT/EP2019/075356
(87) International publication number:
WO 2020/064554 (02.04.2020 Gazette 2020/14)
(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

(30) Priority: 26.09.2018 EP 18196878

(71) Applicant: Wintershall Dea GmbH
34119 Kassel (DE)

(72) Inventors:
  • ALAKBAROV, Samir
    34119 Kassel (DE)
  • BEHR, Aron
    34119 Kassel (DE)

(74) Representative: Müller Schupfner & Partner Patent- und Rechtsanwaltspartnerschaft mbB 
Schellerdamm 19
21079 Hamburg
21079 Hamburg (DE)

   


(54) METHOD FOR PRODUCING MINERAL OIL FROM A FRACTURED UNDERGROUND MINERAL OIL RESERVOIR