(19)

(11)

EP 3 030 738 A2

(12)

(88) Date of publication A3: 07.01.2016 (43) Date of publication: 15.06.2016 Bulletin 2016/24 (21) Application number: 14761678.3 (22) Date of filing: 08.08.2014

(51) International Patent Classification (IPC):  E21B 7/00(2006.01) E21B 49/00(2006.01) E21B 7/04(2006.01) (86) International application number: PCT/GB2014/052442 (87) International publication number: WO 2015/019112 (12.02.2015 Gazette 2015/06)

(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: 08.08.2013 GB 201314255 27.09.2013 GB 201317180 27.09.2013 GB 201317182 (71) Applicant: Senergy Holdings Limited Aberdeen AB11 6DE (GB)	(72) Inventors: DE BAKKER, Joost Aberdeen AB11 6DE (GB) BYRNE, Michael Aberdeen AB11 6DE (GB) GHOLIPOUR, Ali Aberdeen AB11 6DE (GB) PAVY, Peter Aberdeen AB11 6DE (GB) FIELDER, Tom Aberdeen AB11 6DE (GB) (74) Representative: Rankin, Douglas  Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS Glasgow G2 7JS (GB)