(19)
(11) EP 2 976 491 A1

(12)

(43) Date of publication:
27.01.2016 Bulletin 2016/04

(21) Application number: 13878557.1

(22) Date of filing: 28.05.2013
(51) International Patent Classification (IPC): 
E21B 21/06(2006.01)
(86) International application number:
PCT/US2013/042920
(87) International publication number:
WO 2014/149065 (25.09.2014 Gazette 2014/39)
(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
Designated Extension States:
BA ME

(30) Priority: 21.03.2013 US 201313848445

(71) Applicants:
  • KMC Oil Tools BV
    1043 EJ Amsterdam (NL)
  • Farrar, Joseph Daniel
    Houston, TX 77064 (US)
  • Lyman, Perry Don
    Houston, Texas 77064 (US)

(72) Inventors:
  • FARRAR, Joseph Daniel
    Houston, Texas 77064 (US)
  • LYMAN, Perry Don
    Houston, Texas 77064 (US)

(74) Representative: Williams, Michael Ian 
Cleveland 10 Fetter Lane
London EC4A 1BR
London EC4A 1BR (GB)

   


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