(19)
(11) EP 2 766 558 A2

(12)

(88) Date of publication A3:
09.01.2014

(43) Date of publication:
20.08.2014 Bulletin 2014/34

(21) Application number: 12783431.5

(22) Date of filing: 05.10.2012
(51) International Patent Classification (IPC): 
E21B 19/00(2006.01)
(86) International application number:
PCT/US2012/059020
(87) International publication number:
WO 2013/062735 (02.05.2013 Gazette 2013/18)
(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: 07.10.2011 US 201161544834 P

(71) Applicant: LORD CORPORATION
Cary NC 27511 (US)

(72) Inventors:
  • JONES, Peter
    Erie, PA 16509 (US)
  • CUNE, Gregg
    Conroe, TX 77304 (US)
  • FUHRER, Zachary
    Erie, PA 16502 (US)
  • OWENS, Jonathan
    Cari, NC 27511 (US)

(74) Representative: Bohnenberger, Johannes et al
Meissner, Bolte & Partner GbR Postfach 86 06 24
81633 München
81633 München (DE)

   


(54) RISER TENSIONER SYSTEM FOR OFF SHORE OIL PLATFORMS AND PETROLEUM PRODUCTION PROCESSES