(19)

(11)

EP 2 904 193 A1

(12)

(43) Date of publication: 12.08.2015 Bulletin 2015/33 (21) Application number: 13766028.8 (22) Date of filing: 20.09.2013

(51) International Patent Classification (IPC):  E21B 34/14(2006.01) E21B 21/10(2006.01) E21B 43/26(2006.01) (86) International application number: PCT/EP2013/069576 (87) International publication number: WO 2015/039696 (26.03.2015 Gazette 2015/12)

(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 (71) Applicant: Flowpro Well Technology 0365 Oslo (NO)	(72) Inventor: BRAKKE, Kristian 0123 Oslo (NO) (74) Representative: Protector IP Consultants AS  Oscarsgate 20 0352 Oslo 0352 Oslo (NO)