(19)

(11)

EP 3 353 353 A1

(12)

(43) Date of publication: 01.08.2018 Bulletin 2018/31 (21) Application number: 16904523.4 (22) Date of filing: 22.09.2016

(51) International Patent Classification (IPC):  E03B 3/15(2006.01) E21B 33/13(2006.01) (86) International application number: PCT/DK2016/000049 (87) International publication number: WO 2017/211361 (14.12.2017 Gazette 2017/50)

(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 Designated Validation States: MA MD (30) Priority: 23.09.2015 DK 201500557 (71) Applicant: Estate 2010 APS 2605 Brøndby (DK)	(72) Inventors: PREUTHUN, Jan 2700 Brønshøj (DK) LOCHER, Peer 5210 Odense NV (DK) KJUL, Peter 2700 Brønshøj (DK) (74) Representative: AWA Denmark A/S  Strandgade 56 1401 Copenhagen K 1401 Copenhagen K (DK)