(19)
(11) EP 3 405 647 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:
25.05.2022 Bulletin 2022/21

(45) Mention of the grant of the patent:
06.04.2022 Bulletin 2022/14

(21) Application number: 16892865.3

(22) Date of filing: 01.03.2016
(51) International Patent Classification (IPC): 
E21B 33/12(2006.01)
(52) Cooperative Patent Classification (CPC):
E21B 33/1208
(86) International application number:
PCT/US2016/020250
(87) International publication number:
WO 2017/151118 (08.09.2017 Gazette 2017/36)

(54)

METHOD TO DELAY SWELLING OF A PACKER BY INCORPORATING DISSOLVABLE METAL SHROUD

VERFAHREN ZUR VERZÖGERUNG DES ANSCHWELLENS EINES PACKERS DURCH INTEGRATION EINER LÖSLICHEN METALLUMMANTELUNG

PROCÉDÉ POUR RETARDER LE GONFLEMENT D'UNE GARNITURE D'ÉTANCHÉITÉ PAR INCORPORATION D'UNE ENVELOPPE MÉTALLIQUE SOLUBLE

(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

(43) Date of publication of application:
28.11.2018 Bulletin 2018/48

(73) Proprietor: Halliburton Energy Services, Inc.
Houston, TX 77032 (US)

(72) Inventors:
  • STEIN, Taylor, Justin
    Katy, TX 77494 (US)
  • ADKINS, Darrell Wayne
    Dallas, TX 75287 (US)

(74) Representative: Turner, Craig Robert et al
AA Thornton IP LLP Octagon Point 5 Cheapside
London EC2V 6AA
London EC2V 6AA (GB)


(56) References cited: : 
WO-A1-2008/008687
GB-A- 2 396 635
US-A- 5 291 947
US-A1- 2006 272 806
US-A1- 2010 025 035
US-A1- 2010 139 929
US-A1- 2015 275 617
 WO-A1-2016/024974
GB-A- 2 411 918
US-A1- 2004 055 760
US-A1- 2008 277 109
US-A1- 2010 025 035
US-A1- 2014 102 726
US-B2- 7 387 158
   
       
    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).