(19)
(11) EP 3 004 537 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:
27.09.2017 Bulletin 2017/39

(45) Mention of the grant of the patent:
26.07.2017 Bulletin 2017/30

(21) Application number: 14732116.0

(22) Date of filing: 06.06.2014
(51) International Patent Classification (IPC): 
E21B 47/022(2012.01)
E21B 7/04(2006.01)
E21B 47/024(2006.01)
E21B 7/06(2006.01)
 E21B 47/09(2012.01)
G01V 1/42(2006.01)
E21B 47/14(2006.01)
(86) International application number:
PCT/EP2014/061902
(87) International publication number:
WO 2014/195495 (11.12.2014 Gazette 2014/50)

(54)

DRILLING METHOD AND APPARATUS

BOHRMETHODE UND VORRICHTUNG

PROCÉDÉ ET APPAREIL DE FORAGE

(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: 06.06.2013 GB 201310099
06.06.2013 NO 20130796

(43) Date of publication of application:
13.04.2016 Bulletin 2016/15

(60) Divisional application:
17158446.9

(73) Proprietor: ROCKSEIS AS
7034 Trondheim (NO)

(72) Inventors:
  • ARNTSEN, Børge
    N-7125 Vanvikan (NO)
  • SANGESLAND, Sigbjørn
    N-7075 Tiller (NO)
  • JOHANSEN, Ståle Emil
    N-7224 Melhus (NO)

(74) Representative: Taylor, Adam David 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
WO-A1-03/036042
US-A- 3 979 724
 GB-A- 2 254 430
   
       
    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).