(19)
(11) EP 3 688 270 A1

(12)

(43) Date of publication:
05.08.2020 Bulletin 2020/32

(21) Application number: 18782149.1

(22) Date of filing: 27.09.2018
(51) International Patent Classification (IPC): 
E21B 31/00(2006.01)
(86) International application number:
PCT/GB2018/052752
(87) International publication number:
WO 2019/064005 (04.04.2019 Gazette 2019/14)
(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: 27.09.2017 BR 102017020708

(71) Applicant: Petróleo Brasileiro S.A. Petrobras
Rio de Janeiro, RJ (BR)

(72) Inventor:
  • DE FRANCA JUNIOR, João Evaristo
    59094-480 Ponta Negra- RN (BR)

(74) Representative: Herzog IP Patentanwalts GmbH 
Immermannstraße 40
40210 Düsseldorf
40210 Düsseldorf (DE)

   


(54) SYSTEMS AND METHODS FOR REMOVING EQUIPMENT FROM INSIDE OIL WELLS