(19)

(11)

EP 3 673 142 A1

(12)

(43) Date of publication: 01.07.2020 Bulletin 2020/27 (21) Application number: 18773539.4 (22) Date of filing: 20.08.2018

(51) International Patent Classification (IPC):  E21B 23/06(2006.01) E21B 33/124(2006.01) E21B 33/128(2006.01) F16J 15/08(2006.01) E21B 33/12(2006.01) E21B 33/127(2006.01) E21B 17/00(2006.01) (86) International application number: PCT/GB2018/052354 (87) International publication number: WO 2019/038525 (28.02.2019 Gazette 2019/09)

(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: KH MA MD TN (30) Priority: 21.08.2017 GB 201713375 (71) Applicant: Morphpackers Ltd. Arnhall Business Park,Prospect Road Westhill AB32 6FE (GB)	(72) Inventor: RADTKE, Cameron Hill Prospect Road, Westhill Aberdeen AB326FE (GB) (74) Representative: Campbell, Arlene  IPentus Limited The Old Manse Wilsontown, By Forth Lanark, ML11 8EP Lanark, ML11 8EP (GB)