(19)
(11) EP 3 204 594 A1

(12)

(43) Date of publication:
16.08.2017 Bulletin 2017/33

(21) Application number: 14789466.1

(22) Date of filing: 09.10.2014
(51) International Patent Classification (IPC): 
E21B 31/00(2006.01)
E21B 31/113(2006.01)
(86) International application number:
PCT/US2014/059916
(87) International publication number:
WO 2016/057040 (14.04.2016 Gazette 2016/15)
(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

(71) Applicant: Impact Selector International, LLC
Houma, LA 70353 (US)

(72) Inventor:
  • HRADECKY, Jason Allen
    Heath, Texas 75032 (US)

(74) Representative: Giles, Ashley Simon 
Haseltine Lake LLP Lincoln House, 5th Floor 300 High Holborn
London WC1V 7JH
London WC1V 7JH (GB)

   


(54) HYDRAULIC IMPACT APPARATUS AND METHODS