(19)

(11)

EP 2 529 139 A2

(12)

(88) Date of publication A3: 23.02.2012 (43) Date of publication: 05.12.2012 Bulletin 2012/49 (21) Application number: 11700977.9 (22) Date of filing: 24.01.2011

(51) International Patent Classification (IPC):  F16L 1/00(2006.01) B66D 1/00(2006.01) (86) International application number: PCT/GB2011/050108 (87) International publication number: WO 2011/089443 (28.07.2011 Gazette 2011/30)

(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 (30) Priority: 25.01.2010 GB 201001161 (71) Applicant: Geoprober Drilling Limited Aberdeen, Aberdeenshire AB10 1FW (GB)	(72) Inventor: BAMFORD, Antony Stephen Aberdeen Aberdeenshire AB15 7YL (GB) (74) Representative: Orr, Robert  Urquhart-Dykes & Lord LLP Tower North Central Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)