(19)
(11) EP 2 828 475 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:
29.07.2015 Bulletin 2015/31

(45) Mention of the grant of the patent:
03.06.2015 Bulletin 2015/23

(21) Application number: 13745733.9

(22) Date of filing: 26.06.2013
(51) International Patent Classification (IPC): 
E21B 37/02(2006.01)
 E21B 17/10(2006.01)
(86) International application number:
PCT/NO2013/050119
(87) International publication number:
WO 2014/003576 (03.01.2014 Gazette 2014/01)

(54)

DRILL STRING MOUNTABLE WELLBORE CLEANUP APPARATUS AND METHOD

IN EINEM BOHRSTRANG MONTIERBARE BOHRLOCHREINIGUNGSVORRICHTUNG UND VERFAHREN

APPAREIL DE NETTOYAGE DE PUITS EN MESURE D'ÊTRE MONTÉ SUR UN TRAIN DE TIGES 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: 27.06.2012 US 201261665110 P
11.12.2012 US 201213710644

(43) Date of publication of application:
28.01.2015 Bulletin 2015/05

(73) Proprietor: Odfjell Well Services Norway AS
4098 Tananger (NO)

(72) Inventors:
  • LEIPER, Simon
    Dubai (AE)
  • ROBERTSON, Kevin
    Aberdeenshire AB52 6RA (GB)

(74) Representative: HGF Limited 
Belgrave Hall Belgrave Street
Leeds LS2 8DD
Leeds LS2 8DD (GB)


(56) References cited: : 
WO-A1-93/16833
GB-A- 2 334 541
US-A- 4 384 626
US-A1- 2011 265 988
 WO-A1-2009/009456
US-A- 2 973 996
US-A1- 2010 096 122
US-A1- 2011 284 203
   
       
    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).