(19)
(11) EP 3 008 286 A1

(12)

(43) Date of publication:
20.04.2016 Bulletin 2016/16

(21) Application number: 14811554.6

(22) Date of filing: 10.06.2014
(51) International Patent Classification (IPC): 
E21B 49/06(2006.01)
E21B 47/00(2012.01)
E21B 25/02(2006.01)
(86) International application number:
PCT/US2014/041635
(87) International publication number:
WO 2014/200963 (18.12.2014 Gazette 2014/51)
(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

(30) Priority: 10.06.2013 US 201313913805

(71) Applicant: Baker Hughes Incorporated
Houston, TX 77210 (US)

(72) Inventors:
  • HUNZIKER, James C.
    New Caney, Texas 77357 (US)
  • CERNOSEK, James
    Missouri City, Texas 77459 (US)
  • CIVAROLO, Marcelo F.
    The Woodlands, Texas 77380 (US)
  • MACK, Doug
    Spring, Texas 77389 (US)

(74) Representative: Davies, Christopher Robert 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)

   


(54) THROUGH CASING CORING