(19)

(11)

EP 3 063 062 A1

(12)

(43) Date of publication: 07.09.2016 Bulletin 2016/36 (21) Application number: 14758856.0 (22) Date of filing: 02.09.2014

(51) International Patent Classification (IPC):  B63G 8/00(2006.01) E21B 41/04(2006.01) F16L 1/16(2006.01) E02F 9/00(2006.01) E21B 15/02(2006.01) H02G 1/10(2006.01) (86) International application number: PCT/EP2014/068553 (87) International publication number: WO 2015/032730 (12.03.2015 Gazette 2015/10)

(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: 06.09.2013 EP 13183324 12.05.2014 GB 201408386 26.06.2014 GB 201411426 (71) Applicant: Soil Machine Dynamics Limited Tyne and Wear NE28 6UZ (GB)	(72) Inventor: WALKER, John Graeme Wallsend Tyne and Wear NE28 6UZ (GB) (74) Representative: Vinsome, Rex Martin  Urquhart-Dykes & Lord LLP 12th Floor Cale Cross House 156 Pilgrim Street Newcastle-upon-Tyne NE1 6SU Newcastle-upon-Tyne NE1 6SU (GB)