(19)
(11) EP 2 593 631 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:
29.08.2018 Bulletin 2018/35

(45) Mention of the grant of the patent:
18.04.2018 Bulletin 2018/16

(21) Application number: 11807111.7

(22) Date of filing: 14.07.2011
(51) International Patent Classification (IPC): 
E21B 19/16(2006.01)
(86) International application number:
PCT/NO2011/000201
(87) International publication number:
WO 2012/008849 (19.01.2012 Gazette 2012/03)

(54)

DEVICE AND METHOD FOR CLAMPING A TOP DRIVE SUB

VORRICHTUNG UND VERFAHREN ZUM FESTKLEMMEN EINES KOPFANTRIEBELEMENTS

DISPOSITIF ET PROCÉDÉ DE FIXATION D'UN RACCORD D'APPAREIL DE FORAGE ENTRAÎNÉ PAR LE HAUT

(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: 16.07.2010 NO 20101016

(43) Date of publication of application:
22.05.2013 Bulletin 2013/21

(73) Proprietor: Quality Technical Group AS
4632 Kristiansand (NO)

(72) Inventor:
  • SJURSÆTHER, Audun
    N-5013 Bergen (NO)

(74) Representative: Håmsø Patentbyrå AS 
P.O. Box 171
4301 Sandnes
4301 Sandnes (NO)


(56) References cited: : 
EP-A1- 2 100 001
WO-A1-2006/059910
US-B1- 7 367 402
US-B2- 6 736 207
 EP-A2- 0 285 385
US-B1- 6 276 450
US-B1- 7 367 402
   
       
    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).