(19)
(11) EP 3 071 788 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:
26.12.2018 Bulletin 2018/52

(45) Mention of the grant of the patent:
17.10.2018 Bulletin 2018/42

(21) Application number: 14863312.6

(22) Date of filing: 29.10.2014
(51) International Patent Classification (IPC): 
E21B 47/01(2012.01)
E21B 17/07(2006.01)
(86) International application number:
PCT/US2014/062775
(87) International publication number:
WO 2015/076990 (28.05.2015 Gazette 2015/21)

(54)

METHOD AND APPARATUS FOR PROTECTING DOWNHOLE COMPONENTS FROM SHOCK AND VIBRATION

VERFAHREN UND VORRICHTUNG ZUM SCHUTZ VON TIEFBOHRELEMENTEN VOR SCHOCK UND VIBRATION

PROCÉDÉ ET APPAREIL DE PROTECTION D'ÉLÉMENTS DE FOND DE TROU CONTRE DES CHOCS ET DES VIBRATIONS


(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: 22.11.2013 US 201314087514

(43) Date of publication of application:
28.09.2016 Bulletin 2016/39

(73) Proprietor: Hunting Energy Services Inc.
Houston, TX 77060 (US)

(72) Inventor:
  • POPE, Jason Michael
    Magnolia, TX 77355 (US)

(74) Representative: Dennemeyer & Associates S.A. 
Postfach 70 04 25
81304 München
81304 München (DE)


(56) References cited: : 
WO-A1-2013/040641
CA-A1- 2 760 931
US-A1- 2011 186 284
US-A1- 2013 140 019
US-B1- 8 534 381
CA-A1- 2 760 931
CA-A1- 2 786 471
US-A1- 2011 186 284
US-B1- 8 534 381
   
       
    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).