(19)
(11) EP 3 717 734 A1

(12)

(43) Date of publication:
07.10.2020 Bulletin 2020/41

(21) Application number: 18836545.6

(22) Date of filing: 26.11.2018
(51) International Patent Classification (IPC): 
E21B 29/02(2006.01)
(86) International application number:
PCT/SK2018/050014
(87) International publication number:
WO 2019/108139 (06.06.2019 Gazette 2019/23)
(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: 30.11.2017 SK PP1222017

(71) Applicant: GA Drilling, a. s.
917 01 Trnava (SK)

(72) Inventors:
  • HORVATH, Gabriel
    929 01 Dunajska Streda (SK)
  • KUCERA, Marek
    841 08 Bratislava 49 (SK)
  • DVONC, Lukas
    958 06 Partizanske (SK)
  • KOCIS, Ivan
    841 04 Bratislava (SK)
  • SZALAY, Zsolt
    931 01 Samorin (SK)
  • SIMO, Frantisek
    841 03 Bratislava (SK)
  • BENOVSKY, Peter
    831 07 Bratislava 36 (SK)

   


(54) APPARATUS AND METHOD FOR DISINTEGRATING THE PRODUCTION PIPE IN THE BOREHOLE