(19)
(11) EP 2 776 654 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.11.2017 Bulletin 2017/44

(45) Mention of the grant of the patent:
27.09.2017 Bulletin 2017/39

(21) Application number: 12823927.4

(22) Date of filing: 03.08.2012
(51) International Patent Classification (IPC): 
E21B 17/02(2006.01)
E21B 23/02(2006.01)
 E21B 19/16(2006.01)
(86) International application number:
PCT/US2012/049435
(87) International publication number:
WO 2013/025366 (21.02.2013 Gazette 2013/08)

(54)

DEGRADABLE NO-GO COMPONENT

ABBAUBARE AUSSCHUSSKOMPONENTE

COMPOSANT DE BLOCAGE DÉGRADABLE

(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

(30) Priority: 16.08.2011 US 201113211042

(43) Date of publication of application:
17.09.2014 Bulletin 2014/38

(73) Proprietor: Baker Hughes, a GE company, LLC
Houston, TX 77210-4740 (US)

(72) Inventor:
  • FAY, Peter J.
    Houston, Texas 77018 (US)

(74) Representative: Chiva, Andrew Peter 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
EP-A2- 0 834 643
US-A1- 2009 065 216
US-A1- 2010 252 280
US-B2- 7 168 494
 US-A1- 2008 066 924
US-A1- 2010 089 566
US-A1- 2011 048 743
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).