(19)
(11) EP 3 186 472 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:
01.12.2021 Bulletin 2021/48

(45) Mention of the grant of the patent:
27.10.2021 Bulletin 2021/43

(21) Application number: 15771221.7

(22) Date of filing: 25.08.2015
(51) International Patent Classification (IPC): 
E21B 29/00(2006.01)
B08B 9/093(2006.01)
(52) Cooperative Patent Classification (CPC):
B63C 7/006; E02B 2017/0069; E02B 2017/0086; E21B 43/01
(86) International application number:
PCT/GB2015/052448
(87) International publication number:
WO 2016/030670 (03.03.2016 Gazette 2016/09)

(54)

METHOD AND APPARATUS FOR ACCESS AND REMEDIATION OF HYDROCARBON STORAGE TANKS

VERFAHREN UND VORRICHTUNG ZUM ZUGRIFF UND ZUR SANIERUNG VON KOHLENWASSERSTOFFLAGERTANKS

PROCÉDÉ ET APPAREIL POUR ACCÉDER À DES CUVES DE STOCKAGE D'HYDROCARBURES ET POUR PROCÉDER À LEUR RÉHABILITATION


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR 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: 25.08.2014 GB 201415031

(43) Date of publication of application:
05.07.2017 Bulletin 2017/27

(60) Divisional application:
20213482.1 / 3828376

(73) Proprietor: Enpro Subsea Limited
Westhill Aberdeen Aberdeenshire AB32 6FE (GB)

(72) Inventors:
  • DONALD, Ian
    Inverurie Aberdeenshire AB51 7JB (GB)
  • REID, John
    Perthshire Central Scotland PH14 9SN (GB)

(74) Representative: HGF 
1 City Walk
Leeds LS11 9DX
Leeds LS11 9DX (GB)


(56) References cited: : 
EP-A1- 1 143 074
EP-A2- 2 106 514
WO-A1-2004/069647
FR-A1- 2 507 997
EP-A2- 2 039 972
EP-A2- 2 497 578
WO-A2-2014/060741
   
  • "BRENT E-NEWS Brent Decommissioning Project", , 17 November 2011 (2011-11-17), XP055236837, Retrieved from the Internet: URL:http://s04.static-shell.com/content/da m/shell-new/local/country/gbr/downloads/up stream/brent-newsletterissue7.pdf [retrieved on 2015-12-16]
  • Anonymous: "Shell grapples with uncertainties of Brent field decommissioning - Offshore", , 1 February 2012 (2012-02-01), XP055236822, Retrieved from the Internet: URL:http://www.offshore-mag.com/articles/p rint/volume-72/issue-2/engineering-constru ction-installation/shell-grapples-with-unc ertainties-of-brent-field-decommissioning. html [retrieved on 2015-12-16]
  • N.N: "Brent Decommissioning Stakeholder Dialogue Event", , 19 November 2013 (2013-11-19), XP055236831, Retrieved from the Internet: URL:https://www.shell.co.uk/.../decommissi oning/brent...decommissioning/bre... [retrieved on 2015-12-16]
  • CESSOU M: "OPERATION BOEHLEN", PETROLE ET TECHNIQUES, ASSOCIATION FRANCAISE DES TECHNICIENS DU PETROLE. PARIS, FR, no. 256, 1 October 1978 (1978-10-01), pages 9-18, XP000960558, ISSN: 0152-5425
  • "FRENCH COMPANIES SHOW OIL-RECOVERY EFFICIENCY FROM SUNKEN TANKER", OIL AND GAS JOURNAL, PENNWELL, HOUSTON, TX, US, vol. 76, no. 2, 9 January 1978 (1978-01-09), page 103,105, XP000960556, ISSN: 0030-1388
  • Anonymous: "Subsea Drilling Machine | Geoprober Drilling Limited", , 10 July 2012 (2012-07-10), XP055266621, Retrieved from the Internet: URL:http://www.geoprober.com/subsea-drilli ng-machine/ [retrieved on 2016-04-19]
  • Anonymous: "Kurt J. Lesker Company | CF Flanges Technical Notes | Vacuum Science is our Business", , 4 February 2013 (2013-02-04), XP055668596, Retrieved from the Internet: URL:https://web.archive.org/web/2013020405 0754/http://www.lesker.com/newweb/flanges/ flanges_technicalnotes_conflat_1.cfm [retrieved on 2020-02-13]
   
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).