(19)
(11) EP 2 681 410 A2

(12)

(88) Date of publication A3:
01.08.2013

(43) Date of publication:
08.01.2014 Bulletin 2014/02

(21) Application number: 12706747.8

(22) Date of filing: 13.02.2012
(51) International Patent Classification (IPC): 
E21B 33/13(2006.01)
E21B 33/12(2006.01)
(86) International application number:
PCT/US2012/024867
(87) International publication number:
WO 2012/118611 (07.09.2012 Gazette 2012/36)
(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: 01.03.2011 US 201161447789 P
13.02.2012 US 201213371784

(71) Applicant: ConocoPhillips Company
Houston, Texas 77079 (US)

(72) Inventor:
  • FERG, Thomas Eugene
    4014 Stavanger (NO)

(74) Representative: Simpson, Paul Christopher 
ConocoPhillips (U.K.) Limited Legal Floor 6, Portman House 2 Portman Street
London Greater London W1H 6DU
London Greater London W1H 6DU (GB)

   


(54) WELL PLUG AND ABANDONMENT CHOKE INSERT