(19)
(11) EP 2 992 165 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:
04.03.2020 Bulletin 2020/10

(45) Mention of the grant of the patent:
25.12.2019 Bulletin 2019/52

(21) Application number: 14780561.8

(22) Date of filing: 02.05.2014
(51) International Patent Classification (IPC): 
E21B 17/01(2006.01)
E21B 17/18(2006.01)
 E21B 17/08(2006.01)
(86) International application number:
PCT/IB2014/001724
(87) International publication number:
WO 2014/184681 (20.11.2014 Gazette 2014/47)

(54)

MERLIN DRILLING RISER ASSEMBLY

MERLIN-BOHRSTEIGROHRANORDNUNG

ENSEMBLE COLONNE MONTANTE DE FORAGE DE TYPE MERLIN

(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: 03.05.2013 US 201361819273 P

(43) Date of publication of application:
09.03.2016 Bulletin 2016/10

(60) Divisional application:
19183170.0 / 3569811

(73) Proprietor: Oil States Industries (UK) Ltd
Gateway Business Park, Nigg, Aberdeen AB12 3GQ (GB)

(72) Inventor:
  • GALLAGHER, John
    Aberdeen AB11 7RS (GB)

(74) Representative: Sessford, Russell 
Forresters IP LLP Skygarden Erika-Mann-Strasse 11
80636 München
80636 München (DE)


(56) References cited: : 
WO-A2-2007/127394
US-A- 4 265 470
 US-A- 2 102 072
   
       
    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).