(19)
(11) EP 3 240 942 A2

(12)

(88) Date of publication A3:
18.08.2016

(43) Date of publication:
08.11.2017 Bulletin 2017/45

(21) Application number: 15832759.3

(22) Date of filing: 22.12.2015
(51) International Patent Classification (IPC): 
E21B 29/02(2006.01)
E21B 7/15(2006.01)
 E21B 7/14(2006.01)
(86) International application number:
PCT/SK2015/050014
(87) International publication number:
WO 2016/105279 (30.06.2016 Gazette 2016/26)
(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:
MA MD

(30) Priority: 23.12.2014 SK 500792014

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

(72) Inventors:
  • KOCIS, Ivan
    841 04 Bratislava (SK)
  • HORVÁTH, Gabriel
    929 01 Dunajská Streda (SK)

(74) Representative: Litvakova, Lenka 
Litváková a spol. Patent, Trademark and Expert Agency Pluhova 78
831 03 Bratislava
831 03 Bratislava (SK)

   


(54) METHOD OF REMOVING MATERIALS BY THEIR DISINTEGRATION BY ACTION OF ELECTRIC PLASMA